Hi Svein,
Thanks for the information. I've just read the 912s engine installation
manual from end to end and there's no reference to this duct being NOT
required. More time wasted unnecessarily! Andy, if your reading this
please give it a mention if you revise the manual! In the meantime thanks
for those of you who have enlightened me, it's moments like this where this
forum is worth it's weight in gold!! I'll remove it and replace it with a
much smaller inlet for my fresh air vents on the panel.
Cheers
Brian Hutchinson
357 Mono
912s
Airmaster
----- Original Message -----
From: "Sidsel & Svein Johnsen" <sidsel.svein@oslo.online.no>
Subject: Re: Europa-List: Lower cowling NACA inlet
<sidsel.svein@oslo.online.no>
>
> Brian,
>
> As Paul said, the NACA inlet on the side of the cowling is for the 914.
> According to Andy Draper, for 912S it should be closed off (if you don't
> use it for e.g. fresh air inlet to the cockpit), because otherwise the air
> through it "competes" with the cylinder cooling air (coming in at the
front)
> in getting out through the rather limited outlet areas in the back and
thus
> reduces the cylinder cooling.
>
> Regards,
> Svein
>
>
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