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View Full Version : Last years versus this years trans. ratios


de_
12-01-2006, 11:24
Does anyone know what last years kit transmission ratio was ? This years appears to be 12.75 to 1 (50/14 * 50/14 teeth). Clearly this years transmission has evolved from last years but have the ratios changed ?

Andy Baker
12-01-2006, 11:29
The ratios of the 2005 and 2006 Kit Transmission are the same. Your ratios are correct.

Andy B.

Paul Copioli
12-01-2006, 13:24
The internal guts of the kit transmission are exactly the same. The only thing that has changed is IFI added a few more holes to the motor plate to allow the hall effect sensors to be mounted directly to the motor plate. A pretty slick idea from those IFI mechanical guys.

Rick TYler
12-01-2006, 13:31
The only thing that has changed is IFI added a few more holes to the motor plate .

Are those NACA speed-holes, or just plain old, you know, holes? We need to know if they will add to the maximum speed of the robot.

Paul Copioli
12-01-2006, 13:56
Those holes will add at least 2 more feet per second to the top speed.






(for those of you that don't know ... I'm kidding)