visibility_off Live Broadcast on MLV Design Challenge Winners

@Meganbrewster from the Launch Forth team and @chrisblower from FATHOM broadcasted the winners of the Design Challenge, briefed the MLV: Refined Challenge, and answered questions from the community.
TRANSCRIPT:Megan Brewster: All right. Hi everyone. Welcome to the second part of the U S Marine Corps modular logistics vehicle challenge. This is the MLV: Refined challenge. I'm Megan Brewster, VP for advanced manufacturing here at Launch Forth, and I'm here with Chris Blower who is a mechanical engineer at FATHOM. FATHOM is our build partner for this project. They are an advanced technology-driven manufacturer of prototypes and production parts with a unique advantage of speed and agility. So today we're going to cover the winners of the MLV Design challenge and why they were chosen. We're going to brief you on the second part, the MLV: Refined challenge that just launched and we're going to answer any questions that you have. So as questions come up, just post them in the comment section of this feed. And to catch future videos and broadcast like this one, just make sure to like the Launch Forth facebook page. Chris Blower: So the second challenge is now open and available on the Launch Forth website. We have been coordinating with the U.S. Marine Corps over the last project to bring to you a series of objectives and requirements to complete the first challenge. We work closely with the U.S. Marine Corps to get the needs for the MLV so that we can give you the best opportunity available. Now with the second challenge, I'm sorry, the first challenge, we worked here at FATHOM with Launch Forth as a set of advisors to give guidance to the vehicles, a design and opportunity so we can make it as manufacturable as possible as we go forward. With this, there was five key categories that were defined and required by the US Marine Corp that was hackable, modular, high-capacity, easy to use, and functional. These are the characteristics that we looked at when Launch Forth was doing the judging for this competition. Now what we're going to do is we're going to go have a look through all of the winners and a point out the key factors that made them the best essentially. Megan Brewster: So first place is the [S]LOG by Vasilatos Ianis. Chris Blower: So this vehicle was truly amazing, rightfully the first winner because of the innovative designs that he contributed. Now this vehicle has electric motors on each of the six wheels, has the ability to do tight turning radii because of the dual turning axes, and has a linkage mechanism between each of the modules so we can cover adverse terrain and can be easily changed out for different modules so you can have a cargo section and then the personnel section combined together and it can be easily swapped out as the project goes forward or as you need according to your operations on base. So as you can see here, he went into a lot of depth presenting the battery options, battery locations, the tire types that we wanted. And it was very well thought out and very impressive. Megan Brewster: What I liked about this submission is that Ianis put a lot of thought into the manufacturability of this vehicle, which is going to be really important to the Marines. Second place is the VOINIC by Gabi Hantig. Chris Blower: This model was equally as impressive in my opinion. The rear section of the vehicle has a modular trunk to essentially, where each of the modules can be hand-lifted on and off the back of the vehicle. Now, we can have it set up so that it can be similar to that of a traditional truck where you have a flatbed or you can be mounted with seats or the wood or mechanical shops can be located in these predefined modules so you can interchange them very easily and efficiently. Very impressive. Megan Brewster: What I liked about this is that the t-shape chassis really makes use of maximum space and it allows for easy sliding on and off of the module. So it'll be very easy for the Marines to change out those modules in the field. Chris Blower: Every inch of the defined volume was used with this vehicle, which was what the Marines are all about, making the best of everything. Great.  Megan Brewster: And now onto the judges a favorites. So the first one that we'll highlight is the Ugly Mule submitted by Bret.Chris Blower: Now, this vehicle was truly impressive for its ingenuity with regards to the mechanisms that were installed, but now this was a favorite because of the modularity and the thought that went into this. As you can see, he has gone through different designs on how to make them interconnectable so you can have trains or trailer mechanisms so that you can then carry more than what is necessary. The vehicles can have a different connectors and linkages so you can then easily slide on and slide off their respective modules. Again, so very well thought out and driving forwards one of the key objectives is making it modular, easy to use, and functional. So really good. Megan Brewster: And one of the things I love about this design in addition to the seats facing out-- because as you remember, Marines are people too, so that'll be much more comfortable for them-- is that Bret Included a storyline of the revisions that he went through. And that leaves a very robust digital thread of the co-creation process. So the next one we will highlight is the Packhorse 3D submitted by Christian F. Chris Blower: This unit was truly phenomenal to see the ideas come to life primarily because the tub design on the actual base of the vehicle, it was proposed to be completely 3d printed, and he actually presented the fact that you'd print it on its side and it would be then the most effective and efficient way to print with use of material. And from there was able to employ different additive technologies to be able to make this vehicle as effective and easy to repair and work with onsite and wherever the vehicle is located. Megan Brewster: As Chris mentioned, Christian put a lot of effort into the design for additive manufacturing, which we really appreciate. It helps us more rapidly prototype and manufacturer this vehicle. Then the next one is the LEMV submitted by Tom Sazanov.Chris Blower: So this vehicle again uses a tub design. It has an electric propulsion system allows it to be a very lightweight, very compact, so you can make the maximum use of the volume available. The other aspect of it that was really a popular amongst the Launch Forth team was the modularity with regards to the structure. Now each of the joints that are connected in has the ability to be changed and adjusted so that you can carry different cargo, different equipment, different personnel, and it was the fact that the actual linkages had so much review and assessment put into it, which was really inspiring to see.Megan Brewster: I agree. The very simple rail design allows for layered complexity on top of it. The next submission is the Universal Basic Vehicle which was submitted by Brennan Metcalf. Chris Blower: So this vehicle was, in my opinion, inspired by like the 1940s Land Rovers. This vehicle has been seen throughout time, especially with the military, as being very effective and reliable and the use of having multiple flat surfaces allows it to be easy to carry cargo and other materials as well to read your maps on the hood of it, et cetera. So very effective in that aspect. The additional benefit to it as well is that with it all being use of flat material  if you do need to have spare parts, they are easily stackable and easily transportable versus the modern day bumpers and hoods that are a very complex geometries and take up a lot of space when moving from point A to point B. Megan Brewster: Exactly. And similar to the LEMV, this uses a very simple snap together process so that it's easy to assemble, but the possibilities are endless. The final selection by the judges was the Modus MLV submitted by Lulu.Chris Blower: So this vehicle was a very inspiring, again because of the use of the full volume that was predefined. Now this vehicle uses every possible cubic inch, which is really good. The design is a following a tubular chassis, which allows different materials and different targets to be installed within the unit, allowing you to put the personnel or the cargo in and this design is autonomous so it is a case that doesn't have the requirement for the driver's seat to be located at the front of the vehicle and all of the powertrain is located underneath, so it does give you that uninterrupted, unobstructed volume to be actually able to work with.Megan Brewster: And it's great that every station is configurable so each Marine can set that up the way that they want. Chris Blower: The additional component which I'll add is the cylindrical chassis that we have on the base as well, that is a very innovative and new idea that was a very unique to the competition that we've seen here as well. The next stage of the process is that we're going to take all of these winning designs and we're going to actually print them out to make 1:15 scale models that we're going to send that to the U.S. Marines so they can see the innovative designs that the Launch Forth community has come up with. They're very excited with the designs already, but they're even more excited to get them in their hands as well. Now, with regards to this, we are now moving into the second stage of the competition, the Refined challenge, that is currently open and we now want you to take inspiration from the concepts and make it into reality. Chris Blower: So we have this level of the competition. We want you to take the key fundamental ideas that you've seen with regards to these competition winners and pick out the functionality, the modularity, and be able to refine those into your own concept. Now, one of the things we want to point out, this is not a blue sky challenge. We want you to be able to take these ideas and then to be able to build from them. Don't worry about building from scratch. We're giving you these designs as points that the Marines have said that and Launch Forth have said that they are really passionate about and find very viable. So work from those. That's a key component as well. Megan Brewster: That's perfect. And in addition, just don't forget the design principles. So they're the same five design principles from the previous challenge. So those are modular, hackable, easy to use, functional and high capacity. And we've added one new design principle and that is future forward, which we're going to talk about in a minute. In terms of timeline, as Chris mentioned, we're accepting submissions already from now through April 8th. Then there will be a validation period for your submissions from April 9th through the 22nd and we're going to look to announce the winners around May 1st. Because this challenge is quite technical and it's going to require a range of skills from design to engineering, we're strongly encouraging that you team up for this challenge. So here are two steps that you can take right now to form a team. The first is to post a description of the skills that you have or the skills that you're looking for as you design a team. Megan Brewster: You can do this by navigating to MLV: Refined challenge page. Then looking for the discuss tab, and under that you'll see a discussion thread called teams. So you can make your post there. Some skill sets to get you started include concept, illustration, technical and engineering, research, and communication or organization. A second step that you can take right now to form a team is submit an early entry. So when you do this, as you're filling out the entry form, you've probably noticed that you can insert teammates in that entry form. When you do that, it unlocks a private discussion thread for the teammates that you've listed. So this is a way for you guys to connect privately, also share your contact information privately if you want to take the conversation offline. In addition, when you submit an early entry, this allows you to get a feedback from the community, which is, you know what we're here for, co-creation at its finest. Chris Blower: With regards to the next stage of the process, what we want you to do is we want you to submit all of your necessary CAD files, as that we need to be able to assess them for manufacturability and to be able to do the necessary adjustments so that we can build them either by additive, subtractive, or hybridized manufacturing. With this, we want you to send us the CAD files in that in a neutral format and then also in their native. That is the key two components for us to be able to use them and to be able to move forwards with this competition. Now please note that we will be using each of these designs and reviewing them as the competition goes along. So if you want any feedback we can certainly give that as well.Megan Brewster: Great. And made sure to use, under the ignition kit there a PDF checklist that you can use to keep all the files straight because we are requiring a lot. In addition to the full assembly, we're also looking for each of the modules shown in their use case scenarios. So there's quite a few files that were asking for. So use that checklist to make sure that your submission is complete. And as a reminder, the use cases are personnel, construction, mechanical and administrative. Each of these use cases have a specific number of personnel that needed to be carried, the packs, the equipment that is needed; and all of that information is in the challenge brief. As we mentioned, there was a new design principle and it's future forward, so in this case we are asking you to include additive manufacturing in your submission. Megan Brewster: And the reason why is because more than a vehicle, the marines are looking for a rapid innovation system that allows them to go from concept to prototype to manufacture faster than ever before. And one of the technologies that can keep up is additive. So we're asking you to help us identify which parts of the vehicle makes sense for this advanced manufacturing technology. So for example, if it's a part that fails often or it's hard to get a replacement when you're in field, it takes a long time to get a replacement. Or if you're trying to reduce the weight of the vehicle and you want to generatively design one of your parts, then it's not going to be easy to make that by traditional manufacturing methods. Chris Blower: And that's actually one of the key components where FATHOM comes in as well because we specialize in additive manufacturing. We've got a lot of insight in how we can help with the development of this vehicle is through the use of additive manufacturing. For a key couple of examples, one of the things that we have got to demonstrate here is, for argument's sake, the brake leverage component. This unit is traditionally made out of steel or aluminum, but in this case we have built it out of carbon filled nylon. Now this is 65 percent lighter than a traditional component. It is just as stiff and just as strong. And the brilliant thing is that with components like this, we don't need to carry multiple of them around or have them in inventory. If we can additively manufacturer, all we need is the raw material that we can then build up and actually generate the component versus having that unnecessary inventory. Chris Blower: One of the other aspects as well is that with FATHOM, we're actually a technology neutral company, one of those is that our partner is Stratasys, which is an FDM printing company. Now they partnered up with Jay Leno's shop or garage to be able to repair some of his previous vehicles where components were not existent or not available for the unique collections that he had. One of them being a 1970s Ford Causeway Frasier. And it's a case of that one of the units wasn't available. So they were able to scan the unit, be able to print it off, and then subsequently we were able to make casts that could then be repeated to actually make an exact replica of the component, a thereby allowing unique components to be built using additive manufacturing in a new and unique way. Megan Brewster: So traditional manufacturing method, casting, but using digital manufacturing principles and additive machines. Now we're going to take your questions. If you have questions, again, just post them to the comment section of this broadcast. And I'm going to read some of them right now. Yasir Iftikhar is wondering "what areas should we focus on?" So in this challenge, just like the design challenge, we are looking specifically on base and for the four use cases that we mentioned before and those are all detailed in the challenge brief. Chris Blower: One of the components that we want you to keep in mind is that these are going to be used on base. So they're going to be used in the U.S. and at their locations internationally as well. But there is no requirement for any weapons or any armor; it is purely for cargo transport system on base. The aspect as well that we'd like to state is that with the V22 Osprey, this is a traditional volume that is used by the U.S. marines to be able to transport cargo and this is the primary volume that we are really setting by as well. Megan Brewster: Similarly Germano Pecoraro is wondering, "the vehicle can carry a maximum of nine soldiers. So can I load 10 people into that volume?" Chris Blower: if it's going to be comfortable and viable, I don't see why not, just make sure that you've got to take into consideration, you want people to be able to sit comfortably. Some of the marine bases are very large and you don't want to be sat for a 30 mile drive transporting someone if you are shoulder to shoulder with no space to move.Megan Brewster: Safety, ergonomics-- they all matter to the Marines. And some comfort as well. Daha Mohammed Tayeb is wondering "what are the fundamentals of design for logistics vehicles?" Chris Blower: With regards to the fundamentals, one of the key aspects is that you want to start with is the key components. So what is going to be your wheel base, for argument's sake. You want to be able to know that, so that you can then build all of the vehicle around it. The chassis is obviously going to be interlinked with that. Make sure that you really focus on how the chassis is built because we want that to be strong and light and efficient, to then be able to support all of the subsequent modules on. The linkages is also a critical component. How you're going to install the modules. It's great having a cool design, but if there's a way of attaching them, that is going to be something that we are going to be reviewing. Certainly make sure you have the key fundamentals and the interlocking mechanisms really honed in and designed for manufacturing and for applicable use as well. Megan Brewster: Great. Alex is asking "if I need help finding teammates, can the co-pilots help with that?" So Chris, you were a co-pilot. Chris Blower: Yeah. With regards to the previous competitions, a lot of people are very passionate about entering these competitions and there was a lot conversation and communication between the actual community on each of their designs and a very supportive community to be watching in this competition. We can certainly point out different people that might be a benefit to one another. That is something, with being a co-pilot on this following a stage, that if I find people that are in need and have the necessary skill sets to support one another, I'd be more than happy to point you in the right direction. Megan Brewster: Awesome. And just make sure as you're posting comments and you're posting on the discussion threads, as you're looking for teammates, just use the @ symbol and then the handle for the individual-- that way they'll receive a notification that they've been mentioned in a comment. So they know, "oh, hey, someone is talking about me." Only good things please! Allen is asking, "does the Refined challenge have to use the six wheel design, like the two winning designs from the first challenge?"Chris Blower: No, not at all, it was just the case that the judges found these to be very impressive. But as you can see from the five subsequent judge's preferences, they all had varying between four and six wheels. It was just a case of those designs were impressive for the modularity aspect of them, more so than the six wheel base aspect. Megan Brewster: So use them as your inspiration, but you know, move forward as needed. Just remember that we're asking a lot from you in this challenge and it's a relatively short period of time. So the concept challenge was really intended to develop those concepts and now we're moving into the full fledged design and engineering. Brenton is asking "are there CAD assets that we can get from OEMs [original equipment manufacturers] or other partners to help?" One of the things that you can do on our website, we have access, just for Launch Forth community members, to Siemens Solid Edge. So that's a resource that you can find on the Launch Forth webpage. In addition, there's other available resources under the ignition kit, so you can look there. Chris Blower: With regards to any third party components that you want to use with regards to the CAD, please feel free. We don't want you to be redefining the drivetrain or the suspension mechanism; if you want to pull them off GrabCAD or any other location. There's multiple different open communities out there that that allow you to pull in third party components, that's completely acceptable too. McMaster if you want any nuts and bolts. They pretty much have the whole world CADed up. So you can rely on those. As I say, we don't want to use to be wasting time redesigning something that already exists, especially with suspension and wishbones, et cetera. They can take a lot of time and it's not time that we have. Megan Brewster: Another thing is that if you have a CAD design that you generated and you want to share it, go for it. You can submit an early entry and upload that file and then just put a call out in the description of your entry saying, "Hey, I've got these CAD files that I've uploaded and anyone can use them." So feel free to make that available to the community. Just as a reminder, we're doing live Q&A right now, so if you do have questions, just post them in the comment section for this broadcast. Another question that came in is "the Marines will likely use vehicles off base as well. So should we still account for armor or light weapons?" Chris Blower: For this case, no. In this case, the U.S. Marines have plenty of vehicles to operate off base. This one is purely to transport wood, mechanical components and personnel around base. As you may see from the previous challenge, it's located in Twentynine Palms in California is one of the primary locations that we've been working. We don't see any problems being there. Megan Brewster: Another question is "what types of parts are great for 3d printing, design for 3d printing, examples of specific things that tend to break, or how big can we 3d print?" So before Chris answers, I'm just going to say the world is your oyster here. 3D printers have come a long way. Additive manufacturing has come a long way. We've seen things printed such as the Strati, which was an entire car. People have printed, now Oak Ridge National Lab is printing submarines. People are printing houses. So don't feel constrained in that regard. One of the examples that Chris showed was a casting that was made from a 3d printed mold-- in the case of 3d printed sand casting where they 3d print the sand and then you use a traditional casting method, the typical build size for that is on the order of 1 meter x 1 meter x 1 meter. But those molds can be combined so you can print and then print a couple of molds and then put them together. Chris Blower: With regards to, as Megan stated, in 3d printing we have essentially no limits. The aspect that we can do, is that if the parts are too big for traditional printers, we can build in custom seams that can then be glued together that they can then have the same structural integrity as a piece that was printed completely as one component. We do have availability with printers here that have the print volume of 16 cubic feet. So we have quite a large range of ability with regards to that. We do have a multitude of different materials as well, so we can print in carbon filled nylon, we can print in ABS, we can print in rubbers, we have got a full spectrum of different materials that we can apply to. So even if it would be an untraditional component that you was thinking of, we have certainly gotten material access to do a lot of those. For argument's sake, another component that we've built recently was an ultem exhaust manifold for Nascar for testing. And so that was actually ran on a vehicle and that can be operated completely fine. And that was 3d printed as well. So temperature for a vehicle or engine operations is also viable for us as well, just not the engine block.Megan Brewster: Although with that said, we know the Marine Corps is very interested in large scale metal additive. So those are the capabilities that FATHOM has, but again, let your imagination run wild. If you want to print in, you know, whatever is currently available, including metals, go for it. We have a number of other questions that are coming in, but I know some folks joined late, so we're going to go through the winners of the design challenge one more time quickly and then we'll come back to answering your question. So just as a reminder, while we're going through this, as questions come up, just post them in the comment section of this broadcast. So let's navigate back to the beginning. So the first place winner is the [S]LOG by Vasilatos Ianis. Chris Blower: Yes. They say it's truly an impressive components. As we said before, you don't have to have six wheels. So we just thought this was a very impressive modular design. Tracking back to one of the previous questions, the modules are all set up with a single axle so they can be, in our understanding, it could be essentially wheeled away and then the second module attached. It doesn't require you to be having to do any heavy lifting, so it just makes it that much easier to do. And so that's really a desirable component with regards to the system and the fact that it has the linkaging in between each of the trailers, so you can cover complex terrain, making it very easy to maneuver. Megan Brewster: Awesome. Second place is the VOINIC Gabi Hantig. Chris Blower: So this one again follows the six wheel principal, just for wight distribution again, but with this, they have the modules as being easily liftable and sub-100 pounds according to their statements. So that allows them to be able to have a highly modular truck bed, so to speak, on the aft components. So you can see in the background, we can have it capable for carrying motors, carrying mechanical aspects, all of the different aspects and it as an internal area for the personnel. So if it's raining or if there's any adverse weather conditions, they can sit inside and be protected. Megan Brewster: That's great. And as we mentioned before, Gabi really used every square inch of space in this design, which is awesome. So now for the judge's favorite, the first one that we'll talk about is The Ugly Mule by Bret. Chris Blower: We found this one really desirable because of the functionality that he'd gone through by looking at the linkages, how were they all going to be interconnected, how can the modules be interchanged. This was something that was really a driving factor for this vehicle. A lot of thought went into how all of the different systems can be interconnected. And that was a real highlight for this one. And for the competition, because that was one of the key driving factors in the concept stage, was how it was all going to work together. Megan Brewster: Yeah. And again, one thing that I just really love about this submission is that Bret took the time to give us a narrative of how he made the revisions and the feedback from the community that inspired those revisions. So we have a very robust digital thread of that co-creation process. So one thing that is, if you look under the timeline on the challenge page, you'll see a blog post about the digital thread and direct digital manufacturing and braces, just as a teaser. So that tells you a little bit about the digital thread that we're building out in addition to these challenges. So we're using your submissions to build a digital thread for the Marine Corps so that as they move forward and look to manufacture this vehicle, if they ever need to change the design, they're able to go back to the very, very first concept that you all are submitting and get a better understanding of why you designed it that way. So that as they're moving forward, they don't have to make the same mistakes over again. The next favorite by the judges is the Packhorse 3D submitted by Christian F. Chris Blower: The desirable component of this, or what got us very excited at Launch Forth, was the 3d printed chassis that they had designed. They had gone into the aspects of looking at how to print it on its side so that we can minimize the amount of material that was going to be employed to actually build. It was going to be a very strong and rigid structure using a cellular design, which upon everything else can be bolted and attached to. So it then a reduced requirements do welding and sheet metal work. It could be printed and everything else can be bolted on. Really nice, clean, efficient, and it again used the maximum volume of the predefined area. Megan Brewster: Yeah, and those examples that Chris just gave are great justifications for why a part should be additively manufactured. Not everything should be additively manufactured. And in many cases it depends on your design. So if your chassis is something that you're trying to make ultra lightweight and you want that generative design, if it's something that is part of your modularity. So it's something you want the Marines to be able to change out on the fly, then it makes a lot of sense to print it on base. The next one is the LEMV that was submitted by Tom Sazanov. Chris Blower: This vehicle uses electric drive train again to be able to maneuver the vehicle. Because of the drive chain being electrical, it minimizes the amount of volume that is consumed by the system, allowing you to have this mono-hull that everything else can be bolted to. The driving factor that we found was very inspiring with this vehicle was the actual tubular roll cage design that was mounted into the tub, allowing you to be able to do these series of adjustments and modifications. So depending on what kind of cargo or personnel that he was carrying, you could then easily manipulate it and change the orientation angles, lengths of the beams and poles accordingly so that you can then really refine it and dial it in for what exactly you needed. Megan Brewster: Awesome design is the Universal Basic Vehicle submitted by Brennan Metcalf. Chris Blower: So this one took inspiration from the late 1940s Land Rovers. Rovers were very inspirational for the fact that we've all of the flat surfaces you could be able to store lots of cargo and equipment. Having flat surfaces allows you to be able to do work and anything that you need on the actual like hood of the car, you can check a map, you can work on your laptop and store your coffee. You can do anything you want. But with it all being flat sheet metal, it makes it very easy to transport all the spare parts that can be very easily stacked versus those more complex geometries that you see on more traditional vehicles. Very well thought out use the space and how to transport those larger, bigger, bulkier options. Megan Brewster: And one thing that Chris just said reminded me, when we were developing the use cases and we were developing the requirements for this challenge, we actually went to Twentynine Palms to the Marine base there to learn directly from the Marines: what are you looking for, what's your current solution and why is it an adequate? One of the things that they said is there's not enough cup holders so you can never have enough places to put your coffee or drinks. I mean, these folks are out in the desert. These men and women are thirsty, so they need places to put their drinks and their water. The other thing that I love about the two designs that we just went over is, again, they use a very simple structure for snapping together. So it's like the dumbest unit for the integrated circuit. Just make it as simple as possible. And from that you can build incredibly complex geometries. So I really liked that. And the last one that we'll go over it is the Modus MLV, which was submitted by Lulu. Chris Blower: Now this vehicle again used every cubic inch of possible volume available to them. It was an unmanned vehicle design. So it was a case of that there was no drivetrain or steering aspect. So essentially, we move that use of space so we could then be maximized as best as possible to carry any of the necessary cargo at the office unit, the wood, all the mechanical unit could all be stowed within there. Every inch was optimized and used. One of the cool things with regards to this as well is that it does have an electric drive train all underneath the bed of the vehicle and then it had a cylindrical chassis upon which of the tubular hoop structure was then mounted on top of. So it was then light weight and all of it was very compact and vacant. We found that very impressive. Megan Brewster: That's great. So again, congratulations to the winners here and as we move forward with MLV: Refined challenge, we're really looking for strong design and engineering so that we can move directly into rapid prototyping. So now we're going to transition back to answering your questions. Again. If you have questions that come up, just submit them in the comment section of the live feed for this broadcast. So going back to what we were just talking about, the last submission that was a judge's favorite used an electric drive train and we've got a lot of questions about what drivetrain should we be using. Should we be using diesel or JP-8, which is the common fuel found on Marine bases, or should we use electric? Chris Blower: Now with regards to this, the Marines have stated that they are completely open to go either with a traditional diesel or the JP-8 fuel systems for the engines or they are open to going towards electric. It is purely down to your design that allows us to inspire the Marines for each of these options. So it's completely up to you on that aspect. If you want to go a hybrid, if you want to go longer range that the batteries potentially could sustain, you can also do that as well. Megan Brewster: Each has its own benefit. So it's really up to you as Chris said in terms of which one you want to use. Just remember that it's not "if" it fails, it's "when" it fails and the Marines need to be able to move forward when whatever part of this vehicle fails, be it the drive train or anything else. So how can you make it as robust and hackable as possible? So that includes the drivetrain. Another question that's come in is, "could you describe a typical day for each module in terms of the number of stops and the maintenance for the vehicle itself?" So a lot of that information is contained in the challenge brief. So you'll see each of the use cases and you'll see descriptions of the number of people, the type of equipment that they're carrying. And we get pretty specific. Megan Brewster: So for example, in the administration use case, they need to carry a scanner, they need to carry a label printer. So we get pretty specific. For each of those pieces of equipment that they need to carry for the use case, you'll find dummy CAD files for those in the ignition kit so you can have an idea of just how large these pieces of equipment are. Great. Well, it looks like we're finished with the questions on the Facebook feed, but again, as questions come up, you can post them to the discussion threads or under each of the submissions as you have questions, just tag the co-pilots, folks like Chris, like myself, Austin, Allen, et cetera. There's number of us that are trolling the website, looking for your questions and looking for ways that we can support you as you as you get your submissions ready to go. So in conclusion, we just want to say thank you again. Huge congratulations to the winners. Everyone was really thrilled by the designs that came in. The Marines were incredibly impressed by the breadth of ideas and the complexity and depth of each of those ideas. Chris Blower: Yeah. With regards to all of the submissions, I don't want any of you to feel disheartened if you didn't win, there was so many good options and so many good designs that I understand the judges had a great discussion on which ones were the best and it was down to the wire, so to speak, on all of them. Fantastic job, well done to everyone who submitted an application or a design, it was really incredible to see how innovative and how many new concepts and designs came through from there. So really good job. Well done. Megan Brewster: That's awesome. So as you're getting ready for the MLV: Refined challenge, just make sure that you read the brief and the challenge requirements carefully. A lot of it is carried over from the last challenge, the design challenge, but you'll see a few new things such as the new design principle for future forward where we're asking you to help us figure out which parts should be additively manufactured of your design. We're using the same use cases but there is a whole lot more robustness to the ignition kit this time. So really hope that you get to use those. And we cannot encourage you enough to start a team. This is going to be a very technical challenge. As Chris has mentioned, as soon as the winners are announced, we really want to hit the ground running with prototyping your vehicle. So as detailed as you can make those CAD files, as much as you can engineer them out so that they're drivable and their functional, is really helpful. So it's going to require a team. Chris Blower: Even here at FATHOM we have a design and engineering department and it's a case if that when we work on any project, no matter how big or how small, we are always work teams. We have industrial designers, we have engineers, we have product managers that we all come together so that we can make sure that our product goes from a concept to reality as quickly and as efficiently as possible. And we all working in a four week time period, we have a two week review. For the scale of this project, I don't think professional engineers that can commit 100 hours a week would be able to fulfill it in the timeframe. So you really need to partner up as that is going to be the only viable way to actually get really good refined design in for that submission. So think about that. Megan Brewster: Yeah, awesome. And just as a reminder to steps that you can take right now to form a team. So the first is to post what are the skills that either you have, that you're offering to the community or the skills that you need for your team. So you can go to the discuss tab and look for the discussion thread that's titled Teams. You can post there and have conversations, find folks that might want to work with you. The second thing that you can do is submit an early entry. When you do this and you're filling out the form, there will be a place for you to call out specific team members that are present on the platform. When you do that, it's going to unlock a private discussion thread where you can share your contact information and take the conversation offline and just generally organize in private. So feel free to use both of those features as you're starting to form your team. And rest assured that the Launch Forth team is working very, very hard on building out more teaming capabilities on this website because they're going to be critical to co-creation, which again, that's the lifeblood of our platform is you all and how you work together. Just a reminder to catch future broadcasts like this, just make sure to like the Launch Forth facebook page and we want to say thank you again to all of you, the Launch Forth community. You've made an incredibly successful and rich design challenge and good luck to you on the MLV: Refined challenge. We're looking forward to your submissions.

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