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Unread 11-04-2006, 23:19
Rabbit222's Avatar
Rabbit222 Rabbit222 is offline
reffed PARC for 3 yrs now
AKA: DA BUNNEY
FRC #0222 (Tigertrons)
Team Role: College Student
 
Join Date: Nov 2003
Rookie Year: 2003
Location: Tunkhannock, PA
Posts: 141
Rabbit222 is just really niceRabbit222 is just really niceRabbit222 is just really niceRabbit222 is just really niceRabbit222 is just really nice
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Re: 222's TigerDrive

Quote:
Originally Posted by camtunkpa
1. We switched from bushings to bearings for a couple reasons. The first reason was simply to increase efficiency. The second reason is because bearings worked out very well for our input cluster. Bushings were a simple and cost effective method for 2005, but were not the best way to do things on a high RPM gear cluster.

2&3. The gears on our CIM motors are not stem pinions. We had planned on stem pinions and using another bearing in the plate opposite the CIM motors, but decided we could save some weight and headaches by switching to a regular gear. the reason we have collars on the CIM gears is to 'pinch' the gear onto the shaft. We did this mainly because our team doesn't have any metric broaches and we didn't want to modify the CIM shaft. We have used this design previously in 2004 and it worked very well for us.

Thanks all for the kind compliments! Transmissions like this only happen when enthusiastic STUDENTS get involved in the design and build and constantly push the team to do better! Thanks Henry and Bunney you guys put in alot of time convincing the team we needed a dual motor drive and even more time machining your wishes.
Thanks Cliff for believing in us!
__________________
PARC 12 CHAMPIONS 222, 2753, 1640
2009 Archimedes Champions with 2753 & 1218 Einstein Semifinalists
2009 Philadelphia GM Industrial Design Award
2009 Pittsburgh Champions with 1218 & 1743
2009 Pittsburgh Judges Award
2009 Pittsburgh Autodesk Visualization Award
2008 Pittsburgh Motorola Quality award
2007 Pittsburgh Finalists with 48 & 1038
PARC 9 CHAMPIONS 25,222,423
 


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