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From: Derek Engelhaupt <derekengelhaupt-at-rocketmail.com>
Subject: Re: [TANKS] trying to figure out rpm's / track speed
Date: Tue, 15 Aug 2006 21:24:49 -0700 (PDT)
Reply-To: tanks-at-rctankcombat.com

According to my quick math, your output shaft speed would be about 240 RPMs with that setup.  Once again from what I know, you don't need to be concerned about the size of sprocket driving the tracks, but the final shaft speed after the reduction.  In the case of "Master Tying", I believe his final shaft speed is in the 500 RPM range IIRC.


odysseyslipways-at-aol.com wrote:
 okay, i'mgetting outthe paper and catalogs and calculators and and and...
anyway, I am a bit stuck on working out the rpm's in one spot............
the motor's max rpm is 2600 rpm -at- 24vt
motor gear 10 tooth to first gear 36 tooth
second gear 12 tooth (on same shaft as gear one) to axel shaft 36 tooth with a ttrack drive sprocket of 3.9" / 9.906 cm and that will have a cir. of 12.25"/31.12 cm
anyone have a easy way to figure this out? just trying to see if i have a decent rpm/speed range
-----Original Message-----
From: bill-at-gizmology.net
To: tanks-at-rctankcombat.com
Sent: Sun, 13 Aug 2006 12:23 PM
Subject: Re: Casting parts [TANKS]

This might be helpful: 
http://www.gizmology.net/greensand.htm first of several pages about casting aluminum in the back yard 
http://www.gizmology.net/stovetop.htm or casting zinc/aluminum alloy in the kitchen 
At 03:27 PM 8/10/2006, you wrote: 
>Anybody out there casting parts in aluminum? 
>I'm thinking about giving it a go, so if you are please share your >experiences. 

>David "any excuse to work on not working on my tank" Cansler 

"All cats are possessed of a proud spirit, and the surest way to forfeit the esteem of a cat is to treat him as an inferior being." -- Michael Joseph 

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