RE: Tolerances and other boring engineering stuff [TANKS]

["paul needham" <paul.2.needham-at-btconnect.com>]

Jon

I think you are going the wrong way here ?

Shedding a track is generally lack of tension NOT too much clearance.

IF you are building a TTS track system then good clearances are
essential for it to function properly , think what happens if it as
tight as a ducks a**e and a twig or stone gets into it ?

Obviously the wheels need to be true and only have a little wobbly on
their axle but you need plenty of space between the teeth and wheels ,
the tank lays the track on the ground and then runs over it the track
does not actually move unless the wheels are all off the ground !


Paul [ just my 2 euros worth wait till the Yanks give their 2 cents
worth ! ] 

-----Original Message-----
From: tanks-admin-at-rctankcombat.com [mailto:tanks-admin-at-rctankcombat.com]
On Behalf Of jon s kowitz
Sent: 25 May 2005 01:38
To: tanks-at-rctankcombat.com
Subject: Tolerances and other boring engineering stuff [TANKS]


Couple of quick questions to those who build thier own wheels and
tracks.

#1 (and the most pressing at the moment), how much lateral runout is an 
acceptable amount?  I'm having a heck of a time getting less than 1/16"
and 
the worst one has 1/4" (scrap-land that one).  How much is allowable
before 
it become a problem with thrown track etc.

#2 What is an acceptable amount of play between the wheels and the 
track-guides?  Will 1/8th inch be too much clearance?



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