> John Gibbons wrote:
 >
 > Hello experts,
 >
 >     Looking for suggestions on how to cool a 1 1/2 " diameter by 12 "
hardened steel shaft to say - 50 degrees so as to be able to slip a gear

on.

Have heated the gear to 400 F and frozen the shaft but it is still a little
too tight.
 >     Also what is the coating on that exhaust pipe that has been pictured
lately and Paul the rotary anatomy picture was good, do you have a similar
one for the various ports ?
 >
 > Cheers,
 >
 > John

Use dry-ice in an acetone bath

No sparks or flames nearby

Bill Schertz
KIS Cruiser #4045

I have been waiting for confirmation on that. Why acetone Bill? What purpose
does it serve? Just curious.

Paul Lamar
 
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