Project 0136 | Making a gasoline pulse Jet Engine
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Having no experience in this particular area, it is the first time that we are going to work with such project. We got some knowledge and inspiration, from an expert in the jet engines domain, @RobertMaddox. We decided to make our own pulse jet engine, that we are going to use on a bike in our upcoming project.
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00:00 Project introduction
03:39 Making thread for spark
04:48 Air intake hole
05:08 Milling a reed valve base
09:30 Gasoline nozzle base
11:23 Fuel nozzle on the engine
11:41 Fuel pump test
12:05 Fuel tank
12:53 Complete the fuel system
14:15 Milling the reed valve body
17:40 Complete reed valve
18:56 Engine start
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Now we wait for Colin Furze to comment :D
I'm waiting for Integza to see this
Engine failure
I think there needs to be a race between integza, Colin, and this guy. Any fuel, any size pulse jet, any body type.
Фёрз ребёнок в подобных двигателях 😂😂😂
@@ShaunO1225 aaaa
Cool project. Those things are loud. I've seen you do some dangerous stuff, but spraying atomized gasoline next to bare wires on a battery takes the cake.
I held my breath on that clip
No joke, I've seen some reckless things in my time, but misting gasoline into the air while manually connecting/disconnecting the fuel pump wires to a battery a foot away is staggeringly dangerous. You are always going to get sparks connecting a motor to a battery, it's just a matter of how big.
My guess is diesel fuel or kerosene and neither catch fire very easy.
You are an amazing metal worker!!! Plus, your videography of the construction is highly entertaining and satisfying!
Best 'Established Titles' ad ever ... nicely done Sir.
Don't fall for their scam please...
Your machining skills and video editing are both just perfect. You do really inspire me!
We built these when I was a kid. The valve is much different but functions the same way. Thanks for bringing back such great memories.
tf kind of kid were u ? i mean im still a kid and did similar stuff but i never managed to get my hands on tools and material but still im surprised im not the only kid who did this
My family owned rental stores and had some amazing bikers working for us.They had some real skill when it came to repairing or making just about anything and they liked that a little kid wanted to learn. So I did.@@AChicken-sh1gc
18:30 I was surprised by the sensuous mold technique in this video. It's a great video.
another piece of expert craftsmanship gentlemen, well done. I assume there will be further refinements in the future.
I haven’t seen any of your videos in ages but I’m glad to see you back
With pulse jet engines still being used today I can't wait to see this [or a modified version of this], on a future build of yours. According to my research, 70 to 100mph is the "norm to expected range" for these engines. Looking forward to seeing what the "Extreme" speed range is. 😁*Well done* and *God bless* as always.
Gotta love the part where you test the gas atomizer in the open room with the battery connection held by fingers. Apparently you assistant didn't arc the end of those wires with that gasoline mist in the air. The video may have been shorter, if so.
Excellent! Although the ones Herr von Braun sent to us in London made a LOT more noise... 💥😁
awesome project just one concern is the compressed air hose for the fuel line which will swell with contact to gasoline, if the pump is under 20 psi (which it looks like). Normal fuel hose with work but an efi pump 200-300 psi will need efi fuel hose. Cant wait to see what this goes in
I made two of these in highschool. That valve block is likely to melt being aluminum. ask me how I know... You may need to change the tube length as well to get the right resonance. Was it based off any existing plans, or just winging it?
Your valve stack is missing spacer plate between each reed valve. The German V1 has spacer plates. My engines run for several hours with no valve damage, I thought maybe the spacer plate prevent valves from bumping each other when engine are running but high speed video show valves flap in the wind like a flag. Maybe space plates create smoother air flow through the reed valves. Space plate .030 metal thickness works good.
Most youtubers would have turned this into a 20 part video series.i respect it
Wow! Good to see a master metalworker at work. So thats how pulse jets work, reed valves. Now put it on a home build aircraft and call it an Me 328 !
You could have just used the body of the rocket to gassify the fuel and then combust it so that its a continual process, feed in the gas via a venturi intake to get around the issue of the reed valve. Look up Primus stoves and Tilley Lamps, they gassify kerosene that is then burnt to cook or lighting.
Hello, that's a good idea, but the problem is that when the machine stops, the petrol continues to evaporate and can simply ignite itself on the glowing parts. Look at my jet engine, it works without any problems. Greetings from Germany.
That advertisement was much better than Chuckles the clown, but let me know when we are talking about 300 hectares or more.
@integza would love this!
Very cool build 👍Will you be making a new video with spring steel shims?
A V2??
@@yodu45 What? The engine is not running properly in the video, which is explained in the video captions. The used stainless steel instead of spring steels so the valves dont work properly.
@@Catrik I know, a V2 like a V2 rocket.....
😅i love to watch a craftsman bring thoughts to life. Amazing!!!!!
FINALLY! Someone made a gasoline pulse jet! Thank you and totally awesome build!
Looks great! You are a brave man if you are testing the jet engine while standing next to it without protective suite
Wow 👌 👏 that is awesome and I appreciate what you did with the insignia on the tail fins. Well done.
It's to short. increase the length and add a short cone to the end. If a pulse jet is to short it won't fire at all. if it is to long it will run but not very well. Also you are correct in that your reed valves need to be spring steel.
Great idea to spray that fuel mist so close to those exposed wire powering the pump. No worries of spark or anything. Think more next time, I enjoy your channel to much to see it go over a simple thing.
As a machinist I appreciate your skills and sweet shop. Probably should've just robbed you Reed valves from a couple old dirt bikes though. Gas sounds sketchy but shouldn't be any worthan propane. You've got me thinking diesel is the next progression now.
Bring it back with the spring steel reeds!
A németek mérnökök micsoda zsenik voltak hogy ugyan azt a rezgőszelep megoldást használják még ma is és nem tudtak jobbat kitalálni.👍👍
Love the jig idea going to use that on my next one I build
Wow!! Insanely impressive engineering and quality video. I love your work...
it was one of my dreams to do what you did absoluntely amazing well done my friend
Don't let them be dreams. Do it. None of this fancy equipment is required to make a functioning pulse jet. All you really need is a drill, used can of aerosol spray, metal pipe, and a fuel source. Im gonna make a basic one tomorrow morning
Шайтан труба 👍
Καλό χειμώνα κοριοί. Και καλές πατέντες εύχομαι. Πάντα υγεία.
People from London who lived through the 2nd world war would be shaking at the sound of that engine and waiting for the big boom at the end of it.
Fantastic....as always. Hope you get to change out the reed valve shims for spring steel. Cheers.
I’m surprised stainless steel shims were not suitable.
@@davidelliott5843 Stainless might not have the rigidity of spring steel to resonate at the frequencies in that application!
Excellent work, amigo!
Parabéns pelo seu projeto 👏.
I want to see the rematch. Nice work on the reed assembly.
Spring steel would have been a bit better like you noted at the end. Though I imagine you’d run into a few issues with that insomuch as you’d have to calculate the optimal air flow rate which I imagine could be resolved by using the 2q^2+q equals your max practical discharge rate which you’d then be able to use the optimal AFR to determine how much gas to inject and also therefore the optimal air flow rate given that pressure which would give you how much surface area the spring steel needs to open up to let air in.
Immediately after ww2 my father worked at the national gas turbine establishment at Farnborough. One of his colleagues had been part of the team interrogating the German V1 team. When asked as to what the vanes were made of, expecting some exotic alloy, the Answer was , Mild steel. Don’t be ridiculous says the English man. That wouldn’t last five minutes ! Ah, says the German gent, the journey only takes three minutes. Not quite true but point made.
Walter Kaaden an engineer with Argus worked after the war for MZ (the original DKW factory). He was the first to achieve > 200bhp per litre from a piston engine. His knowledge of gas shock waves and harmonics at different gas pressures allowed him to invent the two stroke expansion chamber exhaust. That’s a static device that uses harmonic shock waves to supercharge the engine. His secrets were stolen by Suzuki when his race rider defected during a race.
Impressive piece of kit👍
Ооо, TIG сварка, моя мечта! Отличная работа!
Ok I know you all make crazy inventions and rides. I am ready to see what you all put that on.
Would be cool to mount a load cell to measure thrust
I feel like I need to strap it to a bike or car😅 this thing is amazing hands down
go cart!
@ 11:56 if that was gasoline you were lucky it didn't ignite from the spark caused from the battery terminals!
congratulation to the germany engineer
Надо придумать как нагрев металла трубы превращать в полезную работу.
Сделать вокруг трубы водяную рубашку, а пар пускать в полезную работу
Neat on how you built an enclosure for a submersible automotive fuel pump! You sure you ain't part German? Keep em coming!!!!
Extrem X ,gone to the Mars.Обажаю твои ролики.
Wow!!!! Really enjoy this, interesting and informative. Thanks for sharing ATB
Amazing idea..... awesome job congratulations my friend
Outstanding! Will you not test it with forced air into the reed walves (inlet) - or make new ones in spring steel .. The mail work is though already done excellently!
You are a true Master!
impressive, as always!
Best bong ever dude.
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Игоря Негоды на вас не хватает))
the real integza
Vous etes des fous furieux 🤘🏻 vos réalisations son génial 🤪
Nice video! As somebody just getting into pulse jets, I was surprised to see a modern example of the Argus reed valves. Thanks! Edit: BTW, are you planning on revisiting this project with tool steel valves?
Three reed valves from big two stroke bike engines could be fitted to a pyramid shape inlet cone. One facing forward and one each side on the slopes.
Реклама конечно эпичная, но не понятно реклама чего это была))
Guy has crazy skills.
Rough seams man :/ Jk this is some nice welding and super cool project, god job m8!
Hello! I am working on a gasoline pulse jet for my thesis! Can you tell me which nozzle you used for atomization? Thank you.
Thank you.
Μπράβο παιδιά ειστε απίστευτοι 👍 😊 🙏
ellines einai?
Nice work there! Give it all the fuel you can also, pulse jets love it!
Great technique, and skill
Wasn't enough air flow or maybe starved of fuel, it was running at reduced power. Nice build.
Would like to see it run with the suction end in the frame.
Genial.. ficou perfeito
holy shmoly. 8:25 that sounded exactly like a dentist drill, sent my teeth to the moon. 🤣
Turn spark plug on first, turn air on next, turn fuel on 25% engine will start easy if you do it in correct order. Throttle engine up to 99% full thrust.
Frightening thing! 😱👍👍👍
Nice furnace
Waiting for Gerhard Feiseler worke to show up with an airframe
I'd see about figuring out if you could use Mr.Tesla's design of valvular conduit to reduce moving parts while keeping a high level of efficiency. I know some other channel would love to figure out if it's possible, but he lacks the equipment. Also, the valves need a very precise, flat surface to work right. it wasn't the steel type, it was that the steel couldn't seal against the base metal. the sealing surfaces need to be at the very least, surface ground. however, a higher polish will increase the sealing. the reeds, themselves, need to be precisely made, too, with the bends bing exact, and the edges being perfectly flat. this is a part you can't make without, either a really good shearing stamp and de-burr, or a laser cutter with rather optimized paths for cooling and avoiding warping. Just, avoid warping.
The spiders got the feck out the workshop after that one I bet🤣
Fun build! How much thrust did you achieve?
From what i have seen i guess none, he managed to make a fun flame thrower but the pulse jet did not pulse, a pulse jet make a huge sound at a frequency that depend on the lenght of the tubes, basically you get an explosion and a pressure wave that oscillates between the two end of the tube like an organ tube. It's just like a combustion engine but with an open cylinder. What we have seen in the end of the video is just a constant flame, it would make a nice heater with a very little thrust.
After a long time bro Really like ur videos 😍
Отличная работа .👍👍👍🔥🔥🔥
That will wake the neighbors up!
I could be wrong here, but I think the spark created at the 12v battery terminals might not be optimum for the fuel-air mixture to ignite. That said, I wouldn't like to be around to check out my theory 😜😲. Here's a fun fact for you fellow closet- machinist-test-lab-nerds: 57 years ago, as part of my electrical apprenticeship in the English coal mines, we had to study electrical, mechanical, and mining sciences to help us understand the underground environment we would be working in, better. Professor Hedley (mining sciences) was a really likeable hands-on teacher, and my favourite guy in college. In his class we learned that the perfect (and dangerously worst) Methane (Ch4) to-air mixture was 14%. The rapid-burning, expansion, or the explosion of this gas-air ratio travels at (are you ready) four (4) miles per second, when ignited. Now add powdered coal dust to the mix, and you get an idea how powerful internal combustion is. I was as curious as others here about the THRUST created by this pulse-jet engine. If anyone here understands the math involved in combustion physics above, I'd really like to know what you come up with. 4 miles per second multiplied by sparks per second, combined with the thrust nozzle diameter should make for some interesting numbers. Happy New Year from sunny S.Louisiana.
I LOVE THIS
What happens if you give it a bigger combustion chamber and larger air intake ? Do you get more thrust?
The key for pulse jets is too actually have only a trickle of air going into the intake. It's very likely that the larger intake will cause issues
Colin Furze entered the chat!!!
MARVELOUS - RESPECT
Good job mister well done
Dude wrre you spraying gasoline with the fuel pump test in your workshop without ventilation?
you needed - Rotary TIG Welding table Project# 000140!!!
Let's build turbojet engine !!!
Nice. How much thrust does it make?
Quick question, what was the purpose of cutting the bottom off of the fuel cylinder? Was it just to make a larger volume? Seemed a waste of time, but im certainly no expert!!
interesting design for the one way valve, but what's the thrust
If I recall it correctly the V1 rocket used the same type of engine.
Hello from Vietnam
Weel done !!!
Can you do a SCRAM Jet next time, plz. ;)