> > Jerry Hey wrote:

 > >
 > > Paul,  I have down sized the insert so that the outer housing rim is
 > > not milled.  Everything seems to be fitting nicely at this point.  A
 > > smaller hole for the pressure tap may be possible.  What do you
 > > recommend Tracy?  I am going to put this away for awhile.  I am sure
 > > everybody is getting tired of it.    Jerry
 > > --
 > > Jerry Hey

 .25 is way overkill Jerry.  This is an application where smaller is better.
 It helps smooth out the pulsations in MP.  1/16" would be plenty.  There is
 no significant flow in this path.

 Tracy Crook
 tcrook@rotaryaviation.com
 www.rotaryaviation.com

Thanks Tracy,  I suspected that but I did not know.  I will go with
.063 inch.   Jerry

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