-------------- Original message from Dennis Haverlah <clouduster@austin.rr.com>: --------------


> I've improved my cooling quite a bit by installing an insert in the
> bottom of the cowl to direct air up and into the oil and water
> radiators. This took the place of the vanes I had installed first.
> Attached is a picture taken looking into the air inlet duct showing the
> foam insert in the lower cowl/duct. My last flight at 90 deg. OAT my
> oil went to 212 and the water went to 199 F. This was at about 5200
> rpm, 23 in. mp and 115 kts. My oil pressure was 65 psi. I'm using
> Castrol Synthetic 10W-30. On start-up my oil will go to 85 psi max.
> From tests I've run, I now have more flow through the first 40 % of the
> radiators and less flow through the rear 60 %. I probably need to
> change the wedge sha pe to increase flow to the back of the radiators.
> I'd like to review the document by Kays and London that covers design
> of a wedge. Does anyone have information on how I can get this
> document? Also does anyone know if the inner combustion "O" rings used
> in the Renesis engines are Teflon encapsulated from the factory? I
>
> Thanks,
> Dennis H.
>
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