Today's Message Index:
----------------------
1. 05:48 AM - Lycoming Experts (GENTRYLL@aol.com)
2. 07:54 AM - Re: Lycoming Experts (Monty Barrett Sr)
3. 05:21 PM - Re: Lycoming Experts (jrc)
Message 1
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| Subject: | Lycoming Experts |
Would some of you guys that know a lot about Lycomings explain what some of
the engines have in common. Like the O-235, O-290, O-320. You see things on
the net like O-290 converted to O-320, How is that done. What crankshafts
some of the engines share. What cylinders are interchangeable. I have read
that some of the engines such as the O-290 and O-435 share common cylinders, jut
more of them.
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Message 2
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| Subject: | Lycoming Experts |
Some cylinders interchange:
Parallel valve 360-540, WD to WD, ND to ND
Angle head 360 to 540 t0 720, WD to WD, ND to ND
AH 480 cyls will fit 320 but other considerations are required
290's will NOT convert o 320 sucessfully. If you throw enough money at
it I suppose it could happen
235 C engines will not successfully convert to later series, such as
L2C, F2C, BUT I have done it specifically for 1 airplane. Not
approved. It is the Knight Twister that
won best plans built airplane at OSH about 4 years ago. Built by Hale
Wallace. Hale stated he wanted 130 HP at 3000 RPM and I got it. Used
0-235-F2C cylinder assemblies on 0-235 C cases, machined cases for 7/16
TCM thrubolts.
0-320 can be and have been converted to 360's many times. Expensive
because of the crank and rods required. But it is relatively easy from
the standpoint of assembly.
Almost any 0- engine can be converted to I0. Need to have the fuel pump
drive.
These are brief highlights. Not meant to be a conversion manual. Use
at your own risk.
Monty Barrett
-----Original Message-----
From: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] On Behalf Of
GENTRYLL@aol.com
Sent: Friday, February 23, 2007 7:47 AM
Subject: Engines-List: Lycoming Experts
Would some of you guys that know a lot about Lycomings explain what some
of the engines have in common. Like the O-235, O-290, O-320. You see
things on the net like O-290 converted to O-320, How is that done. What
crankshafts some of the engines share. What cylinders are
interchangeable. I have read that some of the engines such as the O-290
and O-435 share common cylinders, jut more of them.
________________________________
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Message 3
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| Subject: | Re: Lycoming Experts |
http://home.adelphia.net/~aeroengine/Lycoming.html
----- Original Message -----
From: GENTRYLL@aol.com
To: engines-list@matronics.com
Sent: Friday, February 23, 2007 7:47 AM
Subject: Engines-List: Lycoming Experts
Would some of you guys that know a lot about Lycomings explain what
some of the engines have in common. Like the O-235, O-290, O-320. You
see things on the net like O-290 converted to O-320, How is that done.
What crankshafts some of the engines share. What cylinders are
interchangeable. I have read that some of the engines such as the O-290
and O-435 share common cylinders, jut more of them.
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