I thought thermojets were supposed to be self-starting? (as in, NOT needing compressed air to start) Is it a tuning issue? Pipe length vs diameter? Ratio?
about how long would a small engine like this one run off of a butane torch tank? im building one and mounting it on the back of a bicycle, ik it wont make it faster because it doesn't have enough thrust, and im aware of how hot they get, im just doing it for cool effect haha. also, what do you use for the fuel line going to the engine? that best thing i could find was stainless steel brake line. would this get hot and melt after a few minutes? i only wanted to run it for 5-10 minutes at a time.
Yep we are, there are a number of options for RC vehicles, depending on wether it is a plane, boat, car etc. Send us an email and we'll help you in more detail.
ok i have a question im building one of these and i have the intake im using propane as well and im making a to push it frontward and i have a metal pipe running to the front and its just like isnt making it to the front
Unless you used fuel that was an explosive itself, it wouldnt explode. Normal fuels burn, there isnt enough restriction for the engine to build up enough pressure to rip apart the 20 gauge stainless.
I wouldn't think so. The combustion gas is flying out both intakes and the exaust. If you closed those off I think the engine would die for the same reason a super-soaker flamer thrower can't explode; air can't get in and the fire would suffocate.
You can make RC jets with balsa but typically people epoxy / fiberglass the surface to give extra strength. You need a heat reflector no matter what material you use though. I would do some high speed nitro flying before trying a jet.
You can only make them a little bit smaller on propane, it all depends on the fuel burn time, if the engines frequency is so high that the fuel doesnt have time to burn it wont run. Some very very tiny ones have been made for hydrogen, but hydrogen is not something to play around with.
The two "intake" pipes also let exhaust out, its called an aerodynamic valve, but basically there is no valve mechanism other than it is of the right size and shape to let just the right volume of air in and out of the engine. When the engine starts, it blasts out exhaust, then low pressure inside the engine draws air back inside through the intake. Flame comes out of the intake for only a few thousandths of a second at a time.
Yea I wanted to show how low you can throttle it and then instantly bring it back to full thrust. The throttle valve gives more than enough flow so at the end I accidentally gave it too much fuel. Thanks :)
what's throttle response? and yeah u mentioned somewhere about buying sheet steel, cutting it out and welding them together yeah? steel is so strong (and thick in your case) how'd you bend them?
I thought thermojets were supposed to be self-starting? (as in, NOT needing compressed air to start) Is it a tuning issue? Pipe length vs diameter? Ratio?
FuLLeFFekT1 2 months ago
about how long would a small engine like this one run off of a butane torch tank? im building one and mounting it on the back of a bicycle, ik it wont make it faster because it doesn't have enough thrust, and im aware of how hot they get, im just doing it for cool effect haha. also, what do you use for the fuel line going to the engine? that best thing i could find was stainless steel brake line. would this get hot and melt after a few minutes? i only wanted to run it for 5-10 minutes at a time.
xxkittenkiller 9 months ago
These Thermojets should be self-starting, shouldn't they?
AnttiMaeki 10 months ago
I can't find this jet on ebay. could one of you tell me a keyword?
thecreatornator 2 years ago
This video is from 2 years ago... its ended, the other models should be available though.
BeckTechnologies 2 years ago
are you still selling it on your site at custom order? and what fuel setup would be suitable for an RC vehicle?
MalliaCamilleri 2 years ago
Yep we are, there are a number of options for RC vehicles, depending on wether it is a plane, boat, car etc. Send us an email and we'll help you in more detail.
BeckTechnologies 2 years ago
great at clearing snow
pow0006 3 years ago
this exact model
juliman12 3 years ago
how much do one of these cost from u?
juliman12 3 years ago
ok i have a question im building one of these and i have the intake im using propane as well and im making a to push it frontward and i have a metal pipe running to the front and its just like isnt making it to the front
darkxmike 3 years ago
I have no idea what you are trying to ask.
BeckTechnologies 3 years ago
@BeckTechnologies Both of these comments made me laugh. Hahaha!
VRdublove 4 months ago
Unless you used fuel that was an explosive itself, it wouldnt explode. Normal fuels burn, there isnt enough restriction for the engine to build up enough pressure to rip apart the 20 gauge stainless.
BeckTechnologies 3 years ago
Could That Explode?
natey1112 3 years ago
I wouldn't think so. The combustion gas is flying out both intakes and the exaust. If you closed those off I think the engine would die for the same reason a super-soaker flamer thrower can't explode; air can't get in and the fire would suffocate.
Gammaclipper 3 years ago
ALL HAIL THE BUZZ COIL!
caterpillarnut 4 years ago
i bet you didnt stay cold long, its like havin a large camp fire, just a really loud one....
oishi222 4 years ago
I want to build a high performance jet plane with that awesome engine. Would balsa be a good choice of material?
pissedoffpeter 4 years ago
You can make RC jets with balsa but typically people epoxy / fiberglass the surface to give extra strength. You need a heat reflector no matter what material you use though. I would do some high speed nitro flying before trying a jet.
BeckTechnologies 4 years ago
correct me if i am wrong: no heat reflector=burnt to a crisp. :P
MaverickHunter75 4 years ago
ive seen people with sliding valves at the end that open and close at some speed ( 500 times a sec or somthing)same thing but its straight
allwaysallin 4 years ago
You can only make them a little bit smaller on propane, it all depends on the fuel burn time, if the engines frequency is so high that the fuel doesnt have time to burn it wont run. Some very very tiny ones have been made for hydrogen, but hydrogen is not something to play around with.
BeckTechnologies 4 years ago
how small can you make these? i want to make a really small one
bdoubleot 4 years ago
The thrust is 1 lb which is pretty good for something so small with no moving parts.
BeckTechnologies 4 years ago
at the two tiny pipes at the sides, there were blue flame appearing yeah? how'd air get sucked inside and yet exhaust can exit from there?
moonisaboy 4 years ago
The two "intake" pipes also let exhaust out, its called an aerodynamic valve, but basically there is no valve mechanism other than it is of the right size and shape to let just the right volume of air in and out of the engine. When the engine starts, it blasts out exhaust, then low pressure inside the engine draws air back inside through the intake. Flame comes out of the intake for only a few thousandths of a second at a time.
BeckTechnologies 4 years ago
Yea I wanted to show how low you can throttle it and then instantly bring it back to full thrust. The throttle valve gives more than enough flow so at the end I accidentally gave it too much fuel. Thanks :)
BeckTechnologies 4 years ago
what's throttle response? and yeah u mentioned somewhere about buying sheet steel, cutting it out and welding them together yeah? steel is so strong (and thick in your case) how'd you bend them?
moonisaboy 4 years ago
Eric, your website rules!!!!!
342118 4 years ago
funny how you kinda went wild with the throttle valve at the, and then it flamed out LOL!!!
342118 4 years ago
The pipes going to the intake are the fuel lines.
BeckTechnologies 4 years ago
or is that fuel being heated and injected?
flyingcamel151 4 years ago
are those pipes going to the intake just compressed air?
flyingcamel151 4 years ago
impressive !
Fl0ppymAn 4 years ago
nice.
wolfeman28 5 years ago