>>> CHT > 240F will soften head castings despite manual<<
That's 109 Centigrade. Are you sure they didn't say 240 C?
Duncan McF.
----- Original Message -----
From: <irampil@notes.cc.sunysb.edu>
Subject: Europa-List: EGT temp difference unknown, but 30C CHT difference is
normal
>
> Disclaimer - Not PFA or Europa Club Directorate Approved Knowledge
>
> UK Builders Please Avert eyes
>
> From Eric Tucker (Chief Technical Officer, Kodiak, Rotax's only Western
> Hemisphere Importer)and Phil Lockwood (CEO Lockwood Aviation, Rotax
> Approved Engine Repair Station)
> During Rotax Maintenence Seminar, Airventure 2004
> (NB there were at least 6 Europa Owners at forum out of about 70 people in
> tent)
>
> 30 degree C CHT difference is normal -> Use only the rear CHT (hottest)
> for decision making.
> CHT > 240F will soften head castings despite manual
> EGT in cruise should be 1350-1450 for 912s
> Do not bother with coolant temperature measurement
> Do not use Castrol GPS oil
> Pensoil MC oil is fine despite not being listed as semisynthetic
> Honda mc semisynthetic oil is also just fine but will never appear in
> approved list
> TCP additive is fine for engine when using leaded av gas, but it may react
> with
> plastics in tank or tubing to engine
> set Idle rpm to 1400-1800, not lower despite manual
> Synch carbs every 100 hrs
> rebuild (service) carbs every 600 hr
> always start engine at idle to allow function of enrichening circuit
> do not bend carb idle stops, make sure quadrant stops protect card stops
> at idle position
> otherwise idle will get desynchronized
> never, ever turn engine backwards!!!!! oil pump runs backward and will
> embolise air into engine
> this is very bad despite advise on web to do so!!!
> gear box should get replacement spring washers at every service, i.e., 300
> hrs
> when replacing oil filter, rotate to touch gasket, then no more than
> 3/4ths turn
>
>
> Ira N224XS
>
>
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