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From: Dale Rogers <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Machining help needed
Date: Thu, 30 Jun 2005 11:02:28 -0400
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George,

   I have to disagree with your observation.  The boring 
tool, by itself will not yield a surface appropriate for 
seating the injector o-ring (and easy removal for service).  
It will have to be followed by honing or reaming.  And most 
(inexpensive) boring tools are difficult to adjust to +/- 
0.001.  

   Jerry's best (& least expensive) bet is to have a standard 
size reamer ground down to his target size.

Regards,
Dale R.

> From: "George Lendich" <lendich@optusnet.com.au>
> Date: 2005/06/30 Thu AM 02:47:09 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Machining help needed
> 
> Jerry,
> The boring tool should be very accurate - provided your using a mill and
> holding the job very securely.
> George ( down under)
> 
> > I need to find someone to finish the bores on my injector bosses or
> > tell me how to do it.   Final i.d.should be .540 to .545 in.    The
> > bosses are .45 in high and are bored and reamed to .5312.  Material is
> > 6061.   I tried using a boring bar but could not maintain the
> > tolerances.  I bought adjustable hand reamers but they were not the
> > right tool for the job.  I considered trying to sand the bore to the
> > correct size using a flapper but have not tried it  yet.  Suggestions?
> > Volunteers?     Jerry
> >
> >
> >
> > >>  Homepage:  http://www.flyrotary.com/
> > >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
> >
> 
> 
> 
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>