How Few LARGE JETS Does It Take to Break the Sound Barrier?
Welcome to another episode of Trailmakers! Today I am trying to break the sound barrier using only large jet engines. This isn't a hard task by itself, but the challenge is to use the fewest number of large jets possible!
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About Trailmakers:
In the toughest motoring expedition in the universe, you and your friends will build your own vehicles to cross a dangerous wasteland. Explore, crash horribly, use your wits to build a better rig, and get as far as you can with whatever spare parts you find on your way.
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Journey over grueling mountains, hazardous swamps, and bone-dry deserts on a distant world far from civilization - it is just you, your fellow adventurers and the amazing, jet-powered hover-buggy you built yourself. Explore, crash your vehicle, build a better one, and get as far as you can with whatever spare parts you find along your way.
Trailmakers is about building very awesome vehicles and machines, but you don’t need an engineering degree to get started. The intuitive builder will get you going in no time. Everything you build is made from physical building blocks. Each block has unique features like shape, weight and functionality. They can be broken off, refitted and used to build something new. Individually the blocks are fairly simple, but combined the possibilities are endless.
Expedition Mode is the challenging campaign mode of Trailmakers. You are competing in an off-world rally expedition with only a few building blocks to get you started. You must build, tinker with and rebuild your machine to progress. Journey through a big world, overcome deep gorges, angry wildlife and dangerous weather to progress and find new parts that will juice up your machine. The world in Expedition Mode will test your survival skills and ingenuity.
Sandbox Mode is where you want to head for an unrestricted, sandbox, vehicle-building experience. Here you can build anything you can dream of, and play around with it in the world of Trailmakers. It is a great place to test out crazy machines, and experiment with the physics engine. With tons of different blocks, hinges, thrusters and interactive vehicle parts - the skybox is the limit.
Trailmakers is even more fun if you play it with other people. Build cool vehicles and compete in mini-game modes with your friends or other Trailmakers online. Build a helicopter, send it to your friend, and shoot them out of the sky. Put two seats on a tank, and let your friend control the turret. As we get further in Early Access development Expedition Mode will also be adapted to multiplayer.
Learn more about the game on www.playtrailmakers.com #scrapman #trailmakers
Trailing edge drag is absolutely a thing in Trailmakers. Add rear facing wedges behind the wheels, on the tail end of the vehicle, and covering the entire back of the engine hit boxes and you're breaking the sound barrier with two engines.
Yeah! And Scrapman even somewhat accidentally discovered this in a video but he's since forgotten it lol
Didn't he figure that out at some point but ended up completely forgetting it? You don't need backwards facing wedges for 2 thrusters btw. i just did it by making a scuffed chain of flat connectors around the side (and removing the entire floor that way) Just tried it, and it massively slows down the vehicle (like 100 Ks less)
It's been bothering me for years, I love Scrapmans videos, but that he never remembers trailing edge drives me insane
I was gonna say rear facing wedges for better aero. Also blocks all the way from the front wheels to the back would get rid of 2-4 resistance arrows on the rear tyres.
damn trailmakers has trailing edge drag?
This also means that when you're building a plane, you can tweak the front and rear lift with wedge blocks to dial in the pitch stability
You could also fill the space between the front and back wheels with some pieces to remove the 4 arrows on the back wheels completely. I don't know how much that would help tho. But the fewer arrows the better :D
I saw that too, and then watched him do exactly that when he attached the skis to the bottom with the shields and then not do it when he went back to the wheels
Using the armour plates as well would mean you could possibly remove the weight from the back as well.
If you look at his wheel design, the wheels and wedges are both set one block outside the footprint of the chassis, meaning filler pieces wouldn't do anything. Edit: sorry, misread your comment. Thought you meant the same configuration as the skis. I believe your suggestion would actually work.
@@carlbot2if you fill the area between front and rear wheels it would eliminate the green arrows in front of the rear wheels, more arrows= more drag
@@haydenratcliffe1138 apologies, I misread their comment. I assumed they meant using the shields in the same configuration as the skis were used, on the underside. My mistake.
I thought 3 at the beginning and got sad when you had to use 5. But then my hopes clawed their way back as you made those improvements. Truly an emotional roller coaster
same🤓🤘
I actually predicted 3 right when you asked. Thought I was screwed until you optimized the design.
Same here.. when I saw that 1 engine was about 500kph, I estimated that it would be around 1300kph if it had 3. I subtracted 100kph per engine
Yeah same
I predicted 2 and still would bet on it, I'd try it if I had the game but betting those wheels can be moved up a block. brb, installing.
Same 😃
Yeap, get it down to just 4x6 on the front profile for drag and it tops out at 1255ish with 2 engines.
At the beginning, i would've guessed 13. At 6:30 i'm guessing 5 Edit: I just improved your final design by connecting all engines with a scuffed chain of flat connectors that goes to the side (1x3), then forward (1x3), then forward again (1x2), forward (1x3) and then back under the vehicle. that way i removed the entire bottom of the vehicle. And i can say: *_2 IS POSSIBLE_* . i also only used sideways aerodynamics.
Why is this so low down, you figured it out!
my guess was 3
it was 4 not 5 my guess was also 5 and then he made it work with 4@@piperd3b
that was my og guess i switched to 5 half way and then got mad when he made it work with 4@@LegitVolcano
I really like these ‘how few’ videos because it forces you to take the place of an actual engineer, most of their job is just trying to find the cheapest way to do something. In fact there’s a saying: “anyone can build a bridge, but only an engineer can build a bridge that can barely stand”
Dont forget... It has to barely stand, cost literal peanuts to build, and be a nightmare to fix 😂
@@outkast937I mean I feel like that last point will automatically be the product of the former two if taken to the extreme
@@outkast937 i saw a bridge made of tooth picks once, it was a TON of tooth picks (literally)
you could make the flat connecters work by bringing them to the sides then connecting them that way. (if they don't add any resistance then it doesn't matter if they are wider then the rest of the vehicle)
12:50 In the airborne update I believe the devs changed the way the fins work, so they are significantly less effective when something is in front of them, the same goes for spoilers but with the added factor of how many spots on the bottom are used. This conclusion is made purely by testing done on my own time, so i might be wrong,
Yeah, this is definitely a thing that was changed in Airborne. Tailfins still seem to work pretty well even when obstructed, but they do work best with direct air contact. The more noticeable change is that when wing faces (front, back, top, or bottom) are directly touching other blocks, then their lift is significantly reduced, which makes piston glitch builds a bit trickier
since the wheels prevent you from draging on the ground (even with a block right infront of them on ground level) you could have moved the thrusters and their foundationm one block lower, allowing you to delet the top laver of your cockpit fairing.
+
NOW you *gotta* try it with the small thrusters!
Day 36 of asking scrapman to battle with flying tanks.
Ima comment on this and like it so he has a higher chance of seeing this
Keep trying i can feel that that day is coming closer.
Lets hope he sees this
Russian bias:
How to do that?
You guys should do a multiplayer with truck mounted, missile throwing trebuchets.
YES.
Why would you throw missiles that have their own propulsion?
@@anteshell-- They go further, duh.
@@anteshellI think it would be a missile shaped bomb with no propulsion
@@anteshellYuzi's (I forgot the spelling) missiles from the last challenge weren't missiles, they were just sticks with dynamite launched by pistons
I think it could be interesting if you tried to build a plane with wedges as wings .
did that, works fine as long as you fly above like 200km/h, but could be interesting to watch him try.
@@radontrailmakers I thought maybe he could do it, like the sound barrier videos, with the least amount of powercores or even try the sound barrier challenge.
@@_PapstFranziskus_well it ain't that hard to break the sound barrier without wings at all, so I don't think it really makes sense. Also just remembered he did a wingless plane video a long time ago as well.
Hey scrapman, i really enjoyed this vid, especially the in-depth look at really subtle things, would you ever re-viset all/most of your previous breaking sound projects and see if you can make them either more efficient or complete the task with less propulsion
You were on the right track with the flat connectors. Make them go wider around the outside edge of the engines' hit boxes, then connect back underneath. You can do away with wheels and skis, and just run on the connectors. I just got 800 mph with 2 large jets.
The final design looks so futuristic as if we were in the future.
Do a robocraft best builds!
Initial guess, just based on your first test; 3. You're basically 1/3rd the way there. If you can some how harness 100% efficiency from all of them you'll be there. So overcoming drag is the big issue. Skis have weird air resistance for their shape, but I'm pretty sure out of all of the "wheels" they have the least ground friction in the sense of they take the longest to come to a stop and then you can also camber them to put them on their edge to get even less friction. That's at least been my go to for straight-line ground speed vehicles in this game.
If you started in a corner of the map and ran 45 degrees to either wall, you would have a lot further distance to run. Think of the square map as a triangle where N/S and E/W are direction A and B, and in a triangle after all: A^2 + B^2 = C^2. Basic geometry when you cut the square in half from one corner to the other by 45 degrees and make two equal triangles, yes? Hope that little reminder helps you next time you do a supersonic build attempt, ScrapMan! It might give you the time and distance needed to squeeze out a last Mph or two you need!
The back of the vehicle could have used wedges on the rectangular block. I know you’ve discussed before that it doesn’t show arrows, but it does calculate where air could be trapped in pockets behind vehicles.
Except it doesn't, only underwater.
@@mrnaris4852 I’m only going off of what Scrapman has said in the past. He discussed it during one of the Multiplayer Mondays, a drag race one I think. 🤷♂️
@@redstarwarrior85 i remember him saying that but i have no idea why he did, as it is in fact not true at all.
@@mrnaris4852 Good to know. Thank you!
I would love to see scrapman use his piston launcher in reverse to slow down rockets so they fly more like a mortar!
Keep up the good work man
I KNEW IT! This is why I love your videos.
Day 2 of suggesting a MPM idea: When doing a hide and seek map you can make it so another person gives hints as to where you are hiding. Ex: If Moonbo is seeking then while ScrapMan, kAN, and Squiddy are hiding ScrapMan would give hints for where Squiddy is, kAN would give hints to where ScrapMan is, and Squiddy would give hints to where kAN is. This seems like a cool concept to me so I hope you agree!
Hahah you ended up with a tusk cabin crossout build⚙
man i love this type of vids keep em going please
Back to the classic breaking the sound barrier vids :)
Would be cool to see Scrapman break the sound barrier but with the large propellers, I managed to do it with 2 though I expect it would be possible with 1
With 2 large props?!
I thought he did that already but I might be thinking of kosmo
@@Friendly_Neighborhood_DozerYea, wasn't too hard, just lots of testing and changing minor things like what type of block or aero
Yeah, just did it too. I didn't know those things where THAT powerful @@Dawg888
@Friendly_Neighborhood_Dozer Is there a way we can compare how we did it? I would love to see someone else’s version
I have gotten used to just refreshing the subscription page around the time this guy uploads
I finished another video right at the upload time and immediately refreshed my page
i love these videos its been so long since you made one of these scrapman
im curious ive heard of the zero drag glitch as well as other beneficial glitches but i have never seen them demonstrated in building and in use so id be interested in avideo detailing all of that
Just realised this is the first time scrapman is explaining the aerodynamic system in traimakers 😅
My guess is 3 engines Legit No freaking way
Same
Same bro
Same I was like 400 for one so 4 is 1200 and it wasss
Same
@@notme8308bro 400 × 4 is 1600
Keep Up the good Content and never Stop WE appreciate that you're doing this for us and lastly I LOVE YOU'RE VIDS
9:00 vids are the best appreciate it (here since 102k)
I always want to play Trailmakers when you make videos like this until I re-realize I'm not creative or smart enough. Thank you for letting me live vicariously, I appreciate you
thinking back to some of your earlier stuff doing this, that equalised layout of the front might improve some of your earlier stuff, also, you could remove the rear wheel arrows by extending the base out 1 block to continue the front wheels aerodynamics all the way to include the rear wheels
You could make it one block shorter if you just put a 1 wide wall of blocks in between the engines. Then you can use the flat connectors. The reduction in drag would probably get you there
Oh nice. Kosmo had this idea too! Great minds think alike.
Scrapman, I’ve always enjoyed your content on all the different games you play even though I’ve only played Trail Makers myself (console gamer). I’d absolutely love to see you take on the challenges of Space Engineers’ building system and maybe even a story series like you’ve done with some other games
You should do a testif exactly how many engines in general you need, like: you firstuse the most powerful engine, and after you found how many you need to break the sound barrier, you remove 1 a d use a slightly weaker one, until you have the exact amount of thrust to break the sound barrier
Even if the cockpit and the wheels have bright green color, they are still providing waaaay more air resistance than the 1x4 wedge. The 1x4 wedge is the most aerodynamic block and it's not even close.
Do a search and destroy challenge with Yzuei: you both load into the airborne map with enemies, take turns wounding an enemy plane so it leaves a smoke trail, and the other is timed in taking off, finding the wounded plane, and shooting it down.
You should do a supersonic dogfight, if you go under the sound barrier, you lose, I think this will be a very difficult yet fun video idea.
I bet it on 3 but I wasn't confident enough to make the bet, but now that I saw that 3 is more than enough, next time I'll try to trust myself more, thanks for your videos
I'm gonna guess three and also I'm happy to see the brake the sound barrier series coming back with the new update
I love how you managed the unit conversion by showing mph in the corner
I don't have trailmakers so I can't test this myself but I think if you used the shield pieces in between the front and back wheels (like you did with the skis) and remove the weight block you might be able to break the sound barrier with 2 engines
My guess was 3 originally due to the first test run being around 600, my logic was 600 × 3 is 1200, so give or take a few kpm, that's the sound barrier breached
you could move the wheels up by 1 block since you already saw that blocks can be right to the ground, then fill in between the wheels in total eliminating 8 arrows entirely
I think it would be awesome if the different planets in the spacebound update have different velocities for the speed of sound considering the different atmospheres and their pressures. So that we could be able to break the sound barrier on one planet maybe not on another. Anyways, great video ScrapMan!
I entered this viedo with the question of why the front of the vehicle had such a weird shape. It was honestly a surprise that there was a rational explanation rather than an aesthetic one.
You've said in other videos that wedges on the back faces is better than flat back faces. Some down-wedges on the back may have helped.
Test thrust vectoring. Like the F22, see if it has more maneuverability.
Please revisit this, add wedges behind, and add blocks between the wheels to remove drag completely from the behind wheels.
My guess was 5. I was right on with the initial, pre-optimisation run, which is cool ^^
My guess was 2 or 3, and ngl I thought I was way off in the middle. Can't believe how spot on I was though. Love the videos Scrapman and the music
I honestly and truly guessed 3, and eas actually kind of amazed he made that work
18:57 the front of the vehicle looks like a cyclops dog 😂😂
Much like when you were filling in the space between the sets of skis to reduce the number of arrows do the same with the wheels on the side instead of the bottom.
Adding wedge pieces to the back of the vehicle changes things a lot. Once I tried to make fastest no glitch single underwater propeller speed boat and got up to 160 kph. Than I added wedges to the back and final project can reach up to 280 kph.(Its called Black Marlin, you can check it out in the workshop)
I locked in 4 before you even mentioned the guessing game, thought I had it in the first half. Going to try asking for a battle bot multilayer episode again. Haven't seen one since the last physics/ destruction update.
Oh wow, I actually guessed 3. But there's another aerodynamic thing you could do with the wheels. Basically aerodynamically connect them instead of adding wedges to front and back individually, like you tried with the sled idea. Probably wouldn't be enough to make 2 engines work tho
Turn the engines upside down and attach at the top instead of the bottom removing two arrows (what was tried earlier but with the engines flipped)?
its really easy to get it in 2 if you just dont use wheels, wierd flat connecters allow for connections without drag reduction
I actually guessed 3! And I totally thought I was wrong when you got to 5, but then I saw that I was only halfway through the video!
Surprise ScrapMan! I actually guessed three at the start of the video. I was so pleased when that actually worked!
Every time you added aerodynamics to it it got faster even in spaces were you didn't have arrows so maybe taking the same thing and adding two more or the slanted blocks to the back wheels would do it.
You should upload that to the workshop
I actually guessed 3. So glad that you somehow got it to work
I think it might be harder with the space engine as I think they require you to not block either the front or the back I don't remember which. Which means your vehicle may not be able to stay as narrow or avoid aerodynamics between the engines
You should try making a plane with wedges generating the upforce
FINALLY!!!!
So, I just tested this build myself with several adjustments. By replacing all the connecting linkages with flat connectors (branch out to the sides from the engines, then bridge them together with more flat connectors), I managed to get the 4 engine build up to 1674kph/1040mph and the 2 engine build up to 1214kph/755mph. _Just_ shy of the sound barrier for 2 engines, but I think it's the bare minimum number of blocks required to make it work (there are other comments saying they broke the sound barrier with just 2 engines, but I'm not sure how) You wanna know the crazy part though? Just lose everything except the engines and the cockpit. Yes, even the wheels. Get three 4x1 wedges in front of the cockpit, 5 wedges along the sides and 4 directly above the seat to negate the engines, then just let it scoot along the ground on the flat connectors themselves. Not only does it break the sound barrier, but it does it with room to spare at 1280kph/800mph
I'm guessing 10 engines. Because the diminishing returns due to the weight added by every additional engine would probably be quite bad.
the best i could make it is 1500 km/h with 2 engine ( drag: 16 arrows with 4x1 wedge and 4 arrows with flats armor pieces and with 100 kg in the front area for the aerodynamic stability). Since i reached terminal velocity i'm pretty sure that's the best you can do without glitch since theoretically adding weight shouldn't make the car slower but only reduce it's acceleration. and you can't have less drag without glitch since the car fits inside the front area of the engine.
i had actually had a guess on 3 engines. but after watching to the 5 engine mark, i started doubting myself. Once i reached the end, i was so surprised with my self.
It wouldve actually worked with those flat connectors, since you can connect those together as well. Like, 5x1 and add a 2x1 at the end then flip it again and add another 2x1 flat connector
Please do a Thing with hover bombs on water. ( idk but can you make them stay on the surface by spinning the bombs/ hover pads very fast? )
link the front wheels to the back, so there's 2less friction points, use the lightest seat and lightest build material, then maybe. It would be faster but maybe not enough
Now looking how improvement gives adding wedges is.. ..how about improving other sound-breaking builds with this knowledge? (Only engines an thrusters could work tho)
Great video scrapman I'm gonna guess 5 engines to break the sound barrier
Im glad he finaly decided to be smart and enclude mph ( the correct and only unit of speed that should exist )
I think if you just made a unified wedge on the front to eliminate extra resistance points all along the rest of the craft, you might get slightly better results. Just a theory though
i guessed it would be 3 engines because it was possible with the thrusters that only went up and then i ended up being right with average speed per thrust amount being closer than expected
I have no idea why the sound effect for it tipping on the skis made me laugh so much, bread video, I guessed 5 so half right.
I totally guessed 3 no way lol. I think 2 is possible if you fill the entire air gap between the wheels tho. Maybe only the top and keep the bottom as is to reduce ground friction.
My max with 2 engines is 1005 kph so i don't think 2 is possible
16:05 you need a "water💧drop" shape, even on the rear. that way you can possibly make it with 5 engines.
Could add blocks between the wheels to remove some aerodynamics
Ski + flat connector is the solution :)
You could also lower the seat and hide it completely in wedges which would reduce weight.
An interesting challenge would be trying to break the sound barrier as fast as possible like from 0 to the sound barrier kinda thing.
You should make that fly!
you could delete the wedges infront of the rear wheels by adding a line of blocks from the front wheels to the rear wheels and this should lower your centre of gravity too.
the back wheels had only 2 long wedges instead of 3, like you had in the front. when u added the 2 wedges to the back wheel it increase by 100kph so maybe adding that 3rd wedge there could have done it for the 2 engine.
hitbox of engine covered the top 1/3rd of wheel, wedge not needed
Seeing the effect wedges have on aerodynamics I wonder if you could make a plane that only uses wedges for lift.
maybe the weight makes a difference. it maybe keeps the momentum up and the engines have an easier time, that way it goes faster.
I did a test with all the wheels and found which ones where the fastest and which ones were stable. The bike tires I found to be the most unstable. What they have in aero is completely over shadowed by their inability to actually use them. I had cars flipping at just 150mph with those wheels while everything else was around 200mph. I forget which tire ended up being the best but the race tire was definitely up there. I might upload them to the workshop if anyone is interested. If I do they will be under the name “test car” and each one has its top speed in the name. I tested them all with one dragon engine. Took me about an hour to test all of them and save the results.
when form (even simetrical distribution of wedges) enhances function.