Personally I think a simple way to go would be "cool heads" added to
Lycoming and just have the water cooling system to add to aircraft. THere
is a lot of work to reengine a plane trust me and if you eventually get
there you must always keep a close look for cracks in engine mounts and
exhaust. Ian M
----- Original Message -----
From: "Wayne Carter" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, April 10, 2007 1:16 PM
Subject: [Aus-soaring] Re: Aus-soaring Digest, Vol 43, Issue 24
Gotta be liquid cooled, Anthony, or we are still in the dark ages.
Its not just the thermal shock imposed on tug engines specifically that
favours jacketed engines, the internal tolerances can be sharpened
considerably due to the limited temperature changes, improving power,
emissions, wear and overall reliablilty. Noise output also goes down,
cleaning is simpler although there is an argument for reliabililty due to
coolant system failure (more bits, basically)
I am not currently up to speed, however a few years back (8-10) both
Cummins and GM / Detroit heavy motors stated their #1 engine failure cause
was coolant system fault. Current engine managments systems can get you
home / safe with a full coolant system loss, albeit at a significantly
reduced power output.
I do like the 3000 hour bit though....
Wayne Carter
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