Re: Tranny Issues

[adt22-at-drexel.edu]

John, Frank, Steve and Bill,
  Thanks for your help - your attention to this will be remembered during the supply 
runs!
  -Amir

----- Original Message -----
From: William and Melissa Johns <gizmology-at-gizmology.net>
Date: Saturday, August 14, 2004 10:04 am
Subject: Re: Tranny Issues

> At 09:40 PM 8/13/2004, you wrote:
> >Couple of questions regarding belts and chain:
> >What do you use to break chain.  There seems to be a chain 
> breaking tool - 
> >wtf?  Might I have any sucess with a hammer and nail?
> 
>   I use a grinder to take the expanded head off the pin and then 
> drive it 
> out with a hammer and nail, or sometimes a hammer and broken drill 
> bit.
> >I got sprockets that are for #35 roller chain - McMaster has a 
> footnote 
> >that their #35 roller chain is "rollerless roller chain" - again, 
> wtf? and 
> >should I care?
> 
>   The diameter of the rounded base between of the teeth of a 
> sprocket is 
> larger on #30 (roller) chain than on #35 (rollerless) chain.   So 
> a #30 
> won't fit on a #35 sprocket, and a #35 chain will be loose on a 
> #30 sprocket.
>   See http://www.gizmology.net/sprockets.htm .
> 
> >Is there a difference between 4L and A section belts?  McMaster 
> doesn't 
> >seem to think so - the twist lock they carry is for 1/2" belts: 
> both 4L 
> >and A.
> 
>   No.  Well, yes.  A series belts are 1/2" wide, while 4L series 
> belts are 
> 12.5mm wide.  So, no.
>   Noise on Belts and Pulleys: 
> http://www.gizmology.net/pulleysbelts.htm .
> 
> >I've tried getting a belt from Pep Boys, Advance Auto Parts, etc. 
> but 
> >everyone wants a car model or an old belt to look at, they can't 
> do 
> >anything with specs
> 
>   Hardware store rule #1 (which also applies to car parts 
> stores): NEVER 
> tell 'em what you're building.
> 
> >. . . I guess I'll just overpay for twist lock from mcmaster.
> 
>   Try this: take a 1/2" or so rope and tie it around the two 
> pulleys, 
> fairly tightly.  Then take it to the car parts store and say 
> "Duh..." (this 
> is so they know you're speaking to them) "my car belt broke, I 
> need another 
> one."  They'll ask what kind of car, so can say "Duh ... I dunno" 
> and give 
> them the rope.  They'll match it with a belt which has a very good 
> chance 
> of being right.
> 
>   This is how I do it.  I got a belt for my table saw that way.
> 
> Bill
> 
> 
> --
> 
> "A committee is an animal with six or more legs and no brain." - 
> Robert A. 
> Heinlein
> 
> 
> 
>