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Post by madv8bike on May 9, 2011 1:47:15 GMT -5
my new road bike project , still 6 /12 months away from a ride , more details on web site mad Attachments:
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Post by racket on May 9, 2011 2:22:33 GMT -5
Hi Mad
Keep the pics and Thread going ,........it'll be an interesting build , ..............great to see another Oz turbine bike builder here on the Site :-)
Cheers
John
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Post by madv8bike on May 9, 2011 2:51:19 GMT -5
project has come to a stop for awhile doing some shows with jet truck , Darwin an nth Qld
mad
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Post by Richard OConnell on May 9, 2011 12:17:47 GMT -5
Looks like a sweet ride. How long have you been working on it?
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Post by madv8bike on May 11, 2011 7:00:15 GMT -5
thinking and planing next project about 4years,
hunting around for an eng about 2 years,
started work on frame and shafts about 5 months ago.
building the bike may be the easy part , getting it registered may be the hard bit , but i have done a bit with road traffic aurthourity and looks ok
mad
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Post by racket on May 11, 2011 16:18:41 GMT -5
Hi Mad
Yeh , registration of anything other than one with ADR certification is a hassle , hope it goes smoothly for you .
LOL, "diesel" powered vehicles can usually get away with being a bit noisier ;-)
Cheers
John
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Post by turbochris on May 12, 2011 17:16:53 GMT -5
sweet. What are you using for a transmission/final drive?
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Post by madv8bike on May 13, 2011 5:55:32 GMT -5
1100 yamaha 90 beval 1 to 1 , then chain 18 , 52 tooth . Eng already has gear reduction 6000 rpm @ 100 % ,Jet ranger heli eng t63 allison or later model C18 rolls royce . I am just guessing that this is a good starting point , i can change sprockets later , forks swinging arm wheels brakes are ZX10 kawasaki , i have mono shock to shocks . this my proto type a bit rough and heavy but strong
mad
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Post by turbochris on May 17, 2011 10:45:14 GMT -5
If you gear it direct drive for about 150-200 mph top end I bet you'll still have a shiitload of torque off the line.
I always wondered of it would be possible to put a blowoff valve between the gas generator turbine and the power turbine. Open the valve, run it up to 100% and then slap the valve shut. When you open it, it should kill most of the power without waiting for N1 to spool down. I think it would help with driveability
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Post by madv8bike on May 18, 2011 6:23:14 GMT -5
i have heard that the Y2K (US built bike ) is a bit slow to spool off coming to a corner , but that should be fun
mad
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Post by racket on May 18, 2011 16:07:55 GMT -5
Hi Mad
LOL, its not only the Y2K that doesn't drop back to a "slow" idle when the throttle is closed , both my freepowered machines exhibited the same "problem" , all that high temperature metal left over from the higher power setting feeds heat into the "working fluid" producing a T I T much higher than the fuel setting should dictate , ...............................it does make for "interesting" times :-)
Very good brakes required .
Cheers
John
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Post by Johansson on May 18, 2011 23:19:44 GMT -5
If you gear it direct drive for about 150-200 mph top end I bet you'll still have a shiitload of torque off the line. I always wondered of it would be possible to put a blowoff valve between the gas generator turbine and the power turbine. Open the valve, run it up to 100% and then slap the valve shut. When you open it, it should kill most of the power without waiting for N1 to spool down. I think it would help with driveability What about fitting a pressure reading probe on the brake line and by some fancy electronic means getting that pressure reading to control a solenoid valve that runs the power turbine wastegate? That way he can just calibrate the system and forget about it, having a separate lever for the wastegate would probably not be very practical while running a 300+hp motorcycle...  |
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Post by ernie wrenn on May 19, 2011 9:10:44 GMT -5
That is a easy fix.. Install an adjustable pressure switch (ie. our oil pressure safety switch) to a Nitrous solenoid and use a small co2 cylinder or air pump to provide working pressure. A small air ram will easily open the waste gate.. Take a look at the pressure switches.. They are adjustable up to 150 psi with N/O switching. Ernie Compucar Nitrous www.compucarnitrous.com |
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Post by stoffe64 on May 19, 2011 13:10:01 GMT -5
diesel" powered vehicles can usually get away with being a bit noisier
hahaha.....funny thing when you come in for that registration ;D
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Post by madv8bike on May 22, 2011 4:19:58 GMT -5
listening to all these coments , i just seem to have more hurdles , i still have a major proplem with the viper powered bike , when i spool up the torque reaction lays the bike over and rolls back the other way when you back off the throttle , so i have never really had a a full power run on it , i have stopped work on it , thats when i started on the truck it has been a very sucessful project
mad
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