Brian,
When I bought my kit from Florida in 2002 I was told I didn't need it.
Most people then didn't do the third opening. If I had to do it over I
would have not listened to them but hind sight?
Jeff R.
A258 - N128LJ / Gold Rush 125 hours and climbing slowly.
On Jul 3, 2008, at 4:50 PM, Brian Davies wrote:
> Jeff,
>
> Do you have the Rotax fibre glass cooling cowl fitted to your engine?
> This picks up the air from the Stbd front inlet and forces it down
> through the fins.
>
> Brian Davies
> G-DDBD 912S Trigear
>
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of JEFF
> ROBERTS
> Sent: 03 July 2008 21:34
> To: europa-list@matronics.com
> Subject: Europa-List: Cooling & Cowling
>
> Since I struggled with the cooling on my 912-S Tri gear for so very
> long I thought I'd throw my thoughts into this subject. I have found
> the air cooling of the fins to be inadequate. If you look at the round
> inlets in relation to where the top of the engine sits you will find
> they are too low and too outside. After trying everything to get mine
> to cool on the ground and in the climb I finally got mad and took a
> drummel tool to the inlets and opened them up a bit to the top and in
> towards the spinner. For now... she looks a little sad but my CHT's
> instantly dropped about 10 to 15 degrees. I'm going to work on the
> inside of these holes next to provide an expanding 1" wall to
> eliminate any turbulence of the incoming air flow.
> Believe me I'v tried everything everyone has mentioned here from
> closing up all the gaps around the rad to closing the gills. Nothing
> did more for taxi and climb cooling than raising these holes. If you
> look at all the LSA's with rotax engines the intakes are higher so the
> air can get to the top of the engine before it's pulled or pushed down
> through the fins. The real solution would be for rotax to start
> selling plenums like the Jab's then route the hoses to fit over them.
>
>
> Regards,
>
> Jeff R.
> A258 - N128LJ / Gold Rush 130 hours and enjoying every flight more.
>
>
> PS. Jeff of Baby blue... If your making a mold that turns out
> successfully try and saving it. I would love a better designed cowl.
> ;0)
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