Mailing List flyrotary@lancaironline.net Message #28088
From: Todd Bartrim <haywire@telus.net>
Subject: RE: [FlyRotary] Re: Renesis Inspection and Mods
Date: Fri, 2 Dec 2005 17:53:17 -0800
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Hi Bob;
Sorry I was in a hurry to get out of work and I forgot to add the one check
I was going to suggest. If the frame was bent bad enough to break the
transmission loose, then I'd wonder about the e-shaft. It is possible, but
unlikely that it could be bent, but it is so strong that I'd expect any bend
to be hard to see, so here's what I'd do.
Get a simple dial indicator, with a magnetic base and attach it somewhere
on the transmission mounting flange. If the flywheel is still on, then set
the dial indicator on a machined face of the outer rim such as the side of
the starter gear teeth. If the flywheel has been removed then set the dial
indicator on the end of the shaft taper. Then turn the shaft over using a
socket on the main pulley. Any shaft damage should be immediately apparent.

Hope this helps

Todd


Hi Bob;
My engine (86 13B) came out of a wreck that was obviously
totalled as most all of the auxiliary items (waterpump, intake & exhaust
manifolds, etc.) were  broken. The guy that ran the wreckers said that
they'd had it for as long as he'd ever been there but didn't sell it as
it wasn't a running engine. I bought it for $160CAD, thinking it would
be little more than an opportunity to learn about the rotary.
Once I'd removed all the aux items, I found the main engine
block to be a very compact and solid block that was undamaged by the
accident. Disassembly revealed it to be in very good condition with all
parts well within usable tolerances. So this is the engine that I'm
flying with now.
So I wouldn't have any qualms about purchasing this engine at
all, so long as the price reflected the unknown status of it's
condition. I also wouldn't tear into it just to do the oil jet mods. At
1000 miles, the engine will have no wear at all.

Todd



Let me throw this out there again.  I have the opportunity to purchase a
Renesis that came out of a 2005 RX8 that was totaled with 1000 mile on
it.
This engine is complete except the alternator.

Where would be the most likely place that this engine might sustain
damage associated with a crash?  I sure don't want to get this engine
home and find that there might be damage in a spot that would be obvious
to the well informed on this list.

My next question is do I tare down a perfectly good engine and do the
internal mods to the oil jets in the E shaft?  I don't really want to go
into a factory built engine if it is not necessary, (1000 miles is not
much, about what I put on my truck every two weeks and those factory
guy's have a lot more experience and certainly better equipment than I).
If not then what problems might be caused by removing and replacing the
tension bolts one at a time to coat them with silicone to dampen the
vibration?

I know that the thermal pellet will have to go but there again you don't
have to open the housing to replace it.

I know that there are a bunch of ya'll out there that have opinions so
let me hear them.

Bob Perkinson
Hendersonville, TN.
RV9 N658RP Reserved
If nothing changes
Nothing changes




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