Thread: spur gears & fishers ...newbie question...
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Unread 23-06-2002, 23:17
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#0047 (ChiefDelphi)
  
Join Date: May 2001
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Re: spur gears & fishers ...newbie question...
Posted by Ed Sparks at 1/20/2001 9:02 PM EST


Coach on team #34, The Rockets, from Bob Jones High / New Century High and DaimlerChrysler.


In Reply to: spur gears & fishers ...newbie question...
Posted by Anton Abaya on 1/20/2001 12:41 AM EST:



: can someone tell me what the "pitch 20" means in relation to spur gears? in the small parts catalog, they came in 20, 32, and 48 pitch series...

In a nutshell, for all practicle reasons, it's the size of the tooth which relates to the strength of the gear. A 20 pitch sprocket has larger teeth than say a 32 pitch gear and is capable of a greater load.

: given that, can someone tell me the specs of the spur gear on that fisher price motor?

32 pitch, 20 degree pressure angle, 16 tooth

: that or if you can tell me how to mount a shaft to the gear box, that should help even more....

Use keyways or transtorques (small parts catalog) or weld (only if you have a VERY good welder)

: -anton

I haven't been able to respond to your email because my email server is down (I'm not having much luck this week). Try to download my spreadsheet again. I think all is fixed now.


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