View Single Post
  #5   Spotlight this post!  
Unread 23-02-2013, 01:37
AllenGregoryIV's Avatar
AllenGregoryIV AllenGregoryIV is online now
Engineering Coach
AKA: Allen "JAG" Gregory
FRC #3847 (Spectrum)
Team Role: Coach
 
Join Date: Jul 2008
Rookie Year: 2003
Location: Texas
Posts: 2,557
AllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond reputeAllenGregoryIV has a reputation beyond repute
Send a message via AIM to AllenGregoryIV
Re: Climbing with CIM's: Versaplanetary Vs. P80 Vs. Multistage Planrtary/Spur Combo

Quote:
Originally Posted by Paul Copioli View Post
All,

First off, the load rating for the VP is very comservative so I think using the VP in this instance is fine.

Also, since the rating is based on the ultimate stress failure of the aluminum hex, going to a single stage gearbox with a 7075 aluminum shaft (or unhardened steel shaft) won't be any better.

In any case, you should be fine with the VP direct to your output for the climber.
Thanks Paul, I wasn't sure if the failure was caused by the spline or some other part of the shaft specific to the VP.
__________________

Team 647 | Cyber Wolf Corps | Alumni | 2003-2006 | Shoemaker HS
Team 2587 | DiscoBots | Mentor | 2008-2011 | Rice University / Houston Food Bank
Team 3847 | Spectrum | Coach | 2012-20... | St Agnes Academy
LRI | Alamo Regional | 2014-20...
"Competition has been shown to be useful up to a certain point and no further, but cooperation, which is the thing we must strive for today, begins where competition leaves off." - Franklin D. Roosevelt