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Engine / Airbox / Exhaust / Fuel Delivery: Discussion of Honda CBR 1100 XX Super Blackbird Engine Modifications, Airbox Modifications, Exhaust Systems, Power Commanders, and Carburetors. | |||||||
Wheel to flywheel HP Ratio ?
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08-15-2008, 6:11 AM
| #1 | ||
 Join Date: Jun 08 2008 Location: Brisbane Australia Bike(s): 1998 CBR1100XX Super Blackbird Posts: 409
| Hi Guys and Girls. Does anyone know of any eqaution to convert rear wheel HP into flywheel HP. Just had my Bird Re-Jetted and dyno'd. Chart shows 130.8hp at 145mph in 4th gear. The mechanic said it was a good read out. Very smooth power curve. She does go well for a 10 year old bike. | ||
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08-15-2008, 6:21 AM
| #2 |
 Join Date: Oct 30 2006 Location: Norway Bike(s): 1997 Blackbird Posts: 381
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I think the figure is about 15% loss from the flywheel to the wheel for motorcycles in general. Not sure if this is accurate for the Blackbird though.
__________________ To do is to be - Socrates To be is to do - Jean-Paul Sartre Do-be-do-be-do - Frank Sinatra |
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08-15-2008, 7:29 PM
| #3 |
| TEDZXX  Join Date: Jan 22 2008 Location: Lockhart, Texas Bike(s): 2002 Honda CBR1100XX (Silver) Blackbird Age: 43 Posts: 1,375
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I wouldn't worry about crank horsepower. Be more concerned on the RWHP and torque but to best guess is to add 20-25 to your RWHP. It will give you a ball park figure for stock bikes.
__________________ 02 Silver Bird, Throttlemeister, HID's, Scorpion Carbon Fiber Oval Exhaust, Zero Gravity Double Bubble, Power Commander, Speedohealer, Corbin seat, Lowered foot pegs & more Mods to come!!!  |
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08-16-2008, 12:56 AM
| #4 |
| Join Date: Jun 08 2008 Location: Brisbane Australia Bike(s): 1998 CBR1100XX Super Blackbird Posts: 409
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Thanx Guys, just curious.
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