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Subject: 
Re: Orrery gear train
Newsgroups: 
lugnet.technic
Date: 
Wed, 3 Apr 2002 17:41:41 GMT
Viewed: 
737 times
  
In lugnet.technic, Chris Daniel writes:
Don,
  check out Robert Munafo's geartrain table!

http://home.earthlink.net/~mrob/pub/lego/gears2.html

Regards Chris


I wondered as I was working out my own table if someone hadn't already done
it! Very useful (it needs an addendum to include the 56-tooth turntable)

He uses old 14-tooth bevel gears back-to-back in several trains. I'm having
to make do without any of those. Using the 14-tooth trick, one could get
1:27.226, which would be much closer (0.35%) than I came.

I've worked out an earth drive that comes to 1:364.5 using the 56-tooth
turntable. I'll post it once I build it

Thanks for the reference!



Message has 1 Reply:
  Re: Orrery gear train
 
(...) Also doesn't include belt-drive ratios, which could come in handy (has anyone has measured the ratios?). ROSCO (23 years ago, 4-Apr-02, to lugnet.technic)

Message is in Reply To:
  Re: Orrery gear train
 
Don, check out Robert Munafo's geartrain table! (URL) Chris (...) (23 years ago, 3-Apr-02, to lugnet.technic)

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