Subject: PPort teardown - 1st results
From: Rotary Engine
Date: 7/1/2006, 7:05 AM
To: AAme




Use this link for photos:
http://n512mm.myphotoalbum.com/view_album.php?set_albumName=album13

I tore down the PPort engine this evening.  I did not spend a lot of
time examining the engine, but a few things were obvious.

First, it was clearly Rotor 2 (Rear rotor) which had the problem.  The
inside had some discoloration & very slight rust traces.  I believe the
damage to very minor - none of the areas come anything close to the
examples in Turrentine's video.  For example I could not detect any of
the discolored areas using a fingernail.  I believe most / all of the
traces will be removed by a proper cleaning.  I think the discoloration
is due to evaporation residue that will come off when washed with cleaner.

I do not yet know why rotor 2 had a problem -- nothing was obviously
amiss as I tore it down.  That will have to wait until I get the parts
in a parts washer & examine them closely. A crack is still possible --
one of the tension bolts had surface rust on it when removed.  BUT - I
don't know if it was rusty when install, or what.  The o-rings did not
appear to be split - but I have not examined all of them yet.  One
o-ring around a tension bolt hole appeared to be misshapen, but that
could have happened during disassembly.

Rotor 1 was pristine.  I know it flooded (badly) but removing the
coolant quickly & then dumping lots of oil into the rotor clearly saved
the day - no detectable rust.

So - so far so good.  Not nearly as dreadful inside as I feared.

Mark


"One
o-ring around a tension bolt hole appeared to be misshapen, but that
could have happened during disassembly."

Do not use the separate O rings and washer seals around the tension
bolts. Those are Mickey Mouse. They have been known to fail. McMaster Carr caries
proper sealing washers for 75 cents each.
http://www.mcmaster.com/



Paul Lamar ...No rotor no motor.

The Rotary Engine NewsLetter. Powered by Linux.
ACRE NL web site. http://www.rotaryeng.net
Copyright 1998-2006 All world wide rights reserved.