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Hi Lynn,
No way I could prove it in any case. However, as Rusty
suggested if the seal piece were somehow trapped in one of the lightening holes
milled near the rotor tips, it might just have enough room to rotate. The
Hot spots were both near the (near the exhaust port on the iron side
housings. No evidence of any overheating, scraps or anything on the rotor
housing. The hot spots were in just a tad further toward the center than
the inner most part of the corner seals.
When I get the photos from my nephew, I'll post them and
perhaps they will mean something to someone.
The things that are factual are :
1. The apex seal piece was missing upon
disassembly
2. The engine was so initially so tight it would not
idle below 2000 rpm
3. It took a jumper cable to assist the aircraft
battery on initial start up
4. With continued running the engine loosened up until
after two hours it felt free and normal
5. The bearings (new on the rotors) did not have any
signs of scuffing or unusual wear marks
This rebuild has none of the tightness and the compression is
improved, so if not a piece of the missing seal, I am at a lost to figure out
what contributed to this scenario.
Ed
----- Original Message -----
Sent: Friday, June 24, 2005 5:17 PM
Subject: [FlyRotary] Re: Engine Rebuild
corner seal.
I am certainly open to other hypothesis that explains
the two hot spots across from one another.
I doubt that you or the starter motor could turn it over with a corner
seal trapped as you suspect.
Where on the irons was the hot spot?
Lynn E. Hanover
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