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Unread 05-01-2016, 20:37
Chris Endres Chris Endres is offline
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Re: WildStang: Swerving up something new

Quote:
Originally Posted by asid61 View Post
Looks great! I'm sure you've already thought of it, but won't the turning bearing be under large loads when hit from the side?
What is the final gear ratio? How heavy is a module?
So the dual turning bearings were a big part of the design, and it saw many revisions before the final design was released. This is the bearing used for this prototype design: http://www.mcmaster.com/#60355k211/=10k1bdx, however, this will most likely change to something a little more durable for competition (our fall budget was tight, and these bearings, we decided, would do the job fine for our testing). We also suspect that some side loads would be transferred through the thrust bearing as well.

The final gear ratio is 4.29:1, with a theoretical free speed at 16.38 ft/sec and an adjusted speed to be 13.27 ft/sec (all according to the JVN calculator).

The module's CAD, par the SolidWorks weight analysis, is 6.97 lbs. I am not sure what the actual weight of the module came out to be.
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