At 09:42 PM 21/01/2008, you wrote:
>Thanks Mike, whilst I do not know a great deal about tug engines I
>thought the main advantage of such engines was the ability to be
>maintained by non LAME labour, lower consumption and the ability to
>descent rapidly due to water cooling. Not sure if it outweighs the
>problems you have mentioned. Reading their website it would seem
>that the kit had an approval, but I do not really know.
>
>Paul
>
I don't know why nobody has designed a proper set of cowl
flaps/louvres to keep the air cooled engine warm in descent. Easier
than a new engine installation surely.
There is a limit to the fuel gain. You are running at full power with
a load and detonation would be just as bad for a water cooled engine
as for air cooled.
Who maintains the engine gets into the approval thingy. If you do an
STC for the new engine you still need a LAME only he isn't familiar
with the engine!
You can do one off experimentals but AFAIK you still need a LAME
unless it is a homebuilt and you are the builder and get the
repairman certificate.
Mike
Borgelt Instruments - manufacturers of quality soaring instruments
phone Int'l + 61 746 355784
fax Int'l + 61 746 358796
cellphone Int'l + 61 428 355784
Int'l + 61 429 355784
email: [EMAIL PROTECTED]
website: www.borgeltinstruments.com
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