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Subject: 
Re: I wish Lego made an "Anti-Backlash Gear"
Newsgroups: 
lugnet.robotics, lugnet.technic
Date: 
Wed, 4 Apr 2001 02:20:33 GMT
Viewed: 
4815 times
  
Bob Fay wrote:

> The closest thing to an anti-backlash gear is the Conical gear (a misnomer).
> It can be used to load a gear train. I have used this in a design by Iain
> Hendry.
> http://bobfay.users5.50megs.com/newmill.htm
> 
> I have tried using a second motor in the gear train with a slight reverse
> current. This pretty bulky.
> 
>  I think the gear you want is a sandwich of two gears that are spring loaded
> so the teeth oppose each other. This would work in a small gear train.
> 
> There is another example of the conical gear at the end of this page.
> http://bobfay.users5.50megs.com/speedy.htm
> --
> Bob Fay
> rfay@we.mediaone.net
> 
> http://bobfay.users5.50megs.com/index.html
> http://www.geocities.com/Heartland/Bluffs/7900/
> "Eric Sophie" <Legomaster@gobi.com> wrote in message
> news:GB7x2F.J0G@lugnet.com...
> > Tech question for us: Any body know what an Anti-Backlash gear is?

What set(s) include this "conical" gear?



Message has 2 Replies:
  Re: I wish Lego made an "Anti-Backlash Gear"
 
(...) Far as I can tell, these are the gears used in the gearboxes in 8880, 8448, 8480, and prob'ly others. ROSCO (25 years ago, 4-Apr-01, to lugnet.robotics, lugnet.technic)
  Re: I wish Lego made an "Anti-Backlash Gear"
 
(25 years ago, 4-Apr-01, to lugnet.robotics)

Message is in Reply To:
  Re: I wish Lego made an "Anti-Backlash Gear"
 
The closest thing to an anti-backlash gear is the Conical gear (a misnomer). It can be used to load a gear train. I have used this in a design by Iain Hendry. (URL) have tried using a second motor in the gear train with a slight reverse current. (...) (25 years ago, 3-Apr-01, to lugnet.robotics, lugnet.technic)

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