http://www.youtube.com/watch?v=Kv9kd...eature=related
wow what an idiot, that turbo is so huge i bet it isnt even hitting 3psi. Nice idea but i bet you cant even find a turbo small enough for a 250cc engine, let alone make it work correctly.
First Time Rider
Arm chair racerNew to the board
http://www.youtube.com/watch?v=Kv9kd...eature=related
wow what an idiot, that turbo is so huge i bet it isnt even hitting 3psi. Nice idea but i bet you cant even find a turbo small enough for a 250cc engine, let alone make it work correctly.
Power User
Got the holeshot
Yeah that thing is a joke, But I bet it was fun to tinker with... It would be sweet if the thing spooled up..
Got The Holeshot
Arm chair racerJust too addicted
Looks slow doesn't it? Maybe the weight of the turbo countered any little bit of boost it created?
Gagster Of Love
Arm chair racerAt the back of the pack
I'm actually thinking that a turbo would rock behind the expansion chamber of a two stroke.Granted, you'd have to have an awful small turbo, but you could pack more mix into the motor in the same power band and probably produce a fair shake more power. It might only really work on the 500s due to the size of the turbo, but there's a chance you could find something small enough. I've seen video of a turbo Hyabusa and that thing was seriously sick.
Power User
The day begins with 3WW
hey gag its already been done but verry hard to tune i had the best luck with the fuel injection system from rpm to get it to run at least remotly decent.
ok here goes, 85 atc70,2 84 atc70's 83 alt50,83 atc110 , 70 us 90 parot green, 85/86 350x garage queen, stock rider 85 350x, project 85 350x 85 250r drag bike, 2 85 250sx's, alt185, , scat tracker?99blaster,85 250r rider,85 250r ice racer project ,93 kx500,99 xr200r, 91 dr250s ,89 lt500 quadzilla,88 lt250quadracer, 88 trx250r race full on race quad,, 01 yamahakodiak400, kawaki kd100,lt50 for my doughters,93 300ex, 230 quadsport, lt185, lt250 quadrunner,84200s, is that enough?
Power User
The day begins with 3WW
ok here goes, 85 atc70,2 84 atc70's 83 alt50,83 atc110 , 70 us 90 parot green, 85/86 350x garage queen, stock rider 85 350x, project 85 350x 85 250r drag bike, 2 85 250sx's, alt185, , scat tracker?99blaster,85 250r rider,85 250r ice racer project ,93 kx500,99 xr200r, 91 dr250s ,89 lt500 quadzilla,88 lt250quadracer, 88 trx250r race full on race quad,, 01 yamahakodiak400, kawaki kd100,lt50 for my doughters,93 300ex, 230 quadsport, lt185, lt250 quadrunner,84200s, is that enough?
Power User
Got the holeshot
Trying to keep the crank seals intact would be a task in its self
The person who says it cannot be done should not interrupt the person who is doing it.
Rides
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85 ATC200X
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Catch me if you can
That is quite possibly the worst video I have ever seen and I now feel dumber for having watched it... Good thread, though!
85 Tri-Zinger 60
85 ATC250SX
86 ATC250SX
87 ATC250SX
02 XR650L conversion
84 ATC 480R
Power User
The day begins with 3WW
the crank seal issue was solved by cuttign a snap rign grove in the banshee cases to help hold the pressurized crankcases. and i think we were abel to sucessfully run up to 14 or so lbs of boost and be semi reliable.
ok here goes, 85 atc70,2 84 atc70's 83 alt50,83 atc110 , 70 us 90 parot green, 85/86 350x garage queen, stock rider 85 350x, project 85 350x 85 250r drag bike, 2 85 250sx's, alt185, , scat tracker?99blaster,85 250r rider,85 250r ice racer project ,93 kx500,99 xr200r, 91 dr250s ,89 lt500 quadzilla,88 lt250quadracer, 88 trx250r race full on race quad,, 01 yamahakodiak400, kawaki kd100,lt50 for my doughters,93 300ex, 230 quadsport, lt185, lt250 quadrunner,84200s, is that enough?
Got The Holeshot
Arm chair racerJust too addicted
Did the turbo make much of a difference on the 2 stroke though? It seems like having a turbo would defeat the purpose of the expansion chamber. Since the expansion chamber already stuffs the gases back into the cylinder if it is done properly, what kind of advantage would the turbo add? That is why it was so hard to tune I guess but didn't you have to basically tune the turbo 'out of it" so to speak to get it to work properly?
At The Back Of The Pack
Arm chair racerFirst time rider
my question is why turbo a 200 big red? thats like dropping a big block into a pinto
Power User
The day begins with 3WW
That guys a member here on the boards. I respect him for his effort. He got board, did some research, and decided to take a chance. I think its cool.
And I would LOVE to drive a Pinto with a big block! I dare you to find anyone ELSE who wouldnt!
My feedback: http://www.3wheelerworld.com/showthr...k-for-ATC-Eric
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Gagster Of Love
Arm chair racerAt the back of the pack
The purpose of the expansion chamber is to optimize the _flow_ of gasses through the engine at a specific RPM. It has nothing to do with the _volume_ of gasses. Once the exhaust gets past the expansion chamber it is just like any other exhaust. Catching it to spin a turbo, and using that to get a bigger BANG each revolution still works like it would in a 4 stroke. I'll agree that the bigger bang would try to spin the motor faster and thus get it off the pipe quicker at the top of the power band, but some gears would take care of that. In other words, you could tweak your gearing a tooth or two and gain a crapload more speed at the same RPM because the bike would have enough huff to turn the bigger gears.
You'd probably have to drive it like a ricer though and make sure you had the turbo spooled before you dumped the clutch or else it would bog from the taller gears.
Power User
4 Wheels? Huh?
wait, i've seen turboed banshees before....I saw one putting down over 100 hp at the wheels back in the mid 90s or so.
Power User
Got the holeshot
here is a turbo vespa putting out 42hp to the rear wheel.
http://uk.youtube.com/watch?v=GGXcM9evUpo
turbo banshee
http://uk.youtube.com/watch?v=zbwuT6...eature=related
here is another(I think)
http://www.metacafe.com/watch/326086/banshee_turbo/
here is a helmet cam turbo banshee.
http://vids.myspace.com/index.cfm?fu...ideoID=7592731
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