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Thanks Syd, My nose bowel in fiberglass, I am not sure, but I believe his is
also. Richard L. 3041H
----- Original Message -----
From: "Syd Cohen" <[EMAIL PROTECTED]>
Cc: "Ctech" <[email protected]>
Sent: Monday, January 29, 2007 11:12 AM
Subject: Re: [COUPERS-TECH] engine help
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Richard,
The nose bowl is made of dead soft aluminum, and can be gently pushed
back away from the prop. Adding a spacer behind the prop is not a good
idea, since it will probably increase engine vibrations. It is also not
legal. I don't think that cutting back the cowling rails is a good idea
either.
Syd
richard logston wrote:
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Ercoupe Guru's. I have a young fellow in the hanger next to me who also
owns an ercoupe with a 75hp continental that has been majored with new
millennium cyl.pistons, rings, push rods etc. The aircraft has been a
thorn in his side expense wise. The aircraft has been in a repair shop
for over a year, wings off, all center section rivets electronically
checked, main fuel tank leak repaired,. tail section removed, cleaned up
installed with new bolts. Other repairs as needed.The engine installed
with new millennium cyl. Test flying shows a vibration level that is not
acceptable. He has tried the prop in different positions to no avail.
this was none at a dynamic balance shop. I think he said he had a figure
of 1.7, the mechanic said that was high and the best he could do.Needles
to say he is at his wits end over this.He has talked to several aircraft
mechanics about this problem, and no one has been able to solve this
problem yet. He also has a clearance problem with the nose bowl
protruding too far forward rubbing the prop, a aluminum spacer was added
to maintain clearance. I guess my question on this issue is can one cut
back the cowling rails with out running into other problems. This is not
an isolated problem as I have some propeller marks on my nose bowel that
dates back sometime in the past. I guess my question is has anyone run
into this problem before and the cure. Sometime as individuals we may not
be able to solve problems, but bringing a group knowledge base together
can. Thank you in advance for my friend Richard L. 3041H PS. I would
loan him my prop to try but I have a 85hp with a 71-48.
----- Original Message ----- From: <[EMAIL PROTECTED]>
To: "AJ DeMarzo" <[EMAIL PROTECTED]>
Cc: "Ctech" <[email protected]>
Sent: Monday, January 29, 2007 6:49 AM
Subject: Re: [COUPERS-TECH] engine help
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- 8 No provision for starter or generator
- 12 Starter, Generator and Associated parts installed
- 14 Lord Engine mount bushings installed. Otherwise, like -12 models
- 16 Vacuum pumpo adapter. Otherwise like -12 models
F Flange type crankshaft installed (replaces tapered shaft)
H Crankcase and crankshaft adapted to feed oil to controllable pitch
propeller
Eliacim
N87071
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any
advice in this forum.]----
The "dash" numbers always confuse me. Isn't the -12 the engine with
the
vacuum pump? I thought we had the -8 but it's early and I haven't
fully
awakened.
----- Original Message -----
[EMAIL PROTECTED] wrote
I'm looking for an STC or 337 for installing a C-85-12 in a 415-C?
Can
anyone help?
Ed,
I believe that no 337 is required. Refer to the type certificate for
the
415-C (A718 Item 110.).
John Roach
N 2427H
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