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Subject: 
Re: Be ashamed...
Newsgroups: 
lugnet.org.ca.rtltoronto
Date: 
Tue, 30 Sep 2003 19:03:07 GMT
Viewed: 
481 times
  
In lugnet.org.ca.rtltoronto, Bruce Sheridan wrote:
In lugnet.org.ca.rtltoronto, Rob Stehlik wrote:

But notice none of them support the weight with gears. Give those gears room to
breathe!

They're plastic, there's 8 of them, I talked to them and their happy as clams!

John Gerlach built a rolling lift bridge that uses (40 tooth) gears as the
axles, no less. It had a huge moment as it was several track sections long. He
did it that way because of axle shearing...

I would worry more about the axles breaking than the gears. Gears can take a lot
of weight as long as you are not putting rotational torque or shear on the
axles... TJ Avery did some studies on this a while back too, IIRC.



Message is in Reply To:
  Re: Be ashamed...
 
(...) They're plastic, there's 8 of them, I talked to them and their happy as clams! (21 years ago, 30-Sep-03, to lugnet.org.ca.rtltoronto)

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