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Date: Thu, 03 Apr 2008 00:15:34 -0500
From: David Staten <Dastaten@earthlink.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Mostly new engine build update.
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Christopher Barber wrote:
> As I have mentioned following the coolant in my rotor housing I 
> disassembled the engine.  I was not thrilled with the conditions of 
> the rotors (as in the water passages seemed a bit rough) but they 
> seemed pretty much in spec and better facing than the other housing we 
> had...if I was measuring properly.  I considered replacing them, but I 
> did not want to wait for the order to arrive.  While taking it apart I 
> decided to go ahead and port the engine with the Pineapple Racing 
> Medium Street Port template.  I ground out the plates but became too 
> aggressive on the intermediate housing and broke through.  The actual 
> grinding with a Dremmel was pretty easy....if it only were not for 
> that pesky oooops (more on that in a minute:-+)
If it's not obvious here.. Chris is referring to the rotor housings and 
end irons.. the iron's water passages had lots of pitting and whatnot.. 
which was acceptable to us at the time.. of course, the whole darned 
engine was acceptable to us at the time. Chris dropped some major 
dough.. we are essentially using old rotors, eshaft and gear/bearing 
sets and all NEW housings and irons.. with porting done already.

It looks beautiful. I hope it purrs when we put it back together.

Dave