----- Original Message -----
From: "nigel charles" <nwcmc@tiscali.co.uk>
Sent: Saturday, May 05, 2007 8:45 AM
Subject: RE: Europa-List: Re Coolant Coice
>
>>Which is why I am just modifying the air duct exhaust with
> a temperature controlled 'cowl' flap. <
>
> I have been down this route on 2 occasions once with a Classic cowl and
> once with an XS cowl. It is normal to control the exhaust rather than
> the inlet air which is what I did in both cases. Even with the outlet
> for the XS cowl being fully closed it made little difference to
> controlling either oil or coolant temperature. The only flap I have seen
> work really successfully controls the inlet air. The design uses a flap
> which can be raised to close off airflow whilst airborne or lowered on
> the ground to encourage increased airflow.
>
>
> Nigel Charles
>
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