Mandy,

A planetary gear is a mechanical device, wherein a central shaft drives an 
out "sun" gear through a group of "planetary" gears which turn around the 
shaft.  They are used in automotive transmissions and in the drive hubs of 
heavy equipment to maximize torque.

Paul M.

----- Original Message ----- 
From: "Mandy F" <[email protected]>
To: <[email protected]>
Sent: Monday, December 29, 2008 5:47 PM
Subject: [Papermodels II 33772] Re: Paper Planetary Gear Business Card


>
> Huh? Have i missed something?  I'm up to 1471 of the old posts,  but seen
> nothing about planets - I'd love to build a working planet thingy.... :)
>
> Mandy
>
> PS ... I use Opera. MS Internet Explorer doesn't like any excess coding on 
> a
> web site, so that is probably why a lot of you couldn't get to the web 
> site.
> I only use IE when I have to. :)
>
> ----- Original Message ----- 
> From: "Mike Hungerford" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, December 30, 2008 9:39 AM
> Subject: [Papermodels II 33769] Re: Paper Planetary Gear Business Card
>
>> Okay, I can fit three planets in there, just not at 120 degree
>> intervals. Still can't find sweet spots for four planets.
>> -- 
>> Mike Hungerford
>> http://users.sdccu.net/chthulhu2/models.html
>> Kore de ii no da.
>>
>
> > 


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