Here's the link to IFI's CAD model of the 2005/06 Season Kit transmissions:
http://ifirobotics.com/docs/Drivetra...rts%20STEP.zip
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Originally Posted by Pnakovich
yup, this looks very good. Thank you, I appreciate this, i tried to make it but was unable to find the info to build the inards. this helped out alot.
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If you have access to CNC fabrication services, it would be easier to reproduce the
AndyMark single-speed transmission as opposed to the IFI ones.
The AndyMark transmissions are essentially exactly the same as the IFI trannies*. The IFI transmissions however used a custom cast aluminum plate (which would be much harder to reproduce), whereas the AndyMark transmissions have two machined 3/16" aluminum plates, with a piece of square box aluminum around the outside. (You could probably eliminate this square box and just use aluminum hex/round stock as spacers if needed instead.)
* The IFI transmission had a 12.755:1 ratio, where as the AndyMark has a 12.75:1 ratio.