My experience with WD is identical to Duncan's. Last year I had a
boil-over (admittedly with the pre-mod coolant pressure cap) whilst
held by ATC for 10 minutes pointing downwind on a taxiway. No
problems now that I make a point of swinging into wind whilst holding.
Willie Harrison
On 30 Apr 2007, at 11:57, Duncan Bennett wrote:
> <Duncan.Bennett@talktalk.net>
>
> We have. Into wind was better for our Europa with a 3-blade Warp
> prop. The
> reason I mention the prop is that we switched prop and saw
> considerable
> improvement in the cooling.
>
> My theory is that our 3 blade Warp prop was not good at pushing air
> into the
> cowling so pointing it into wind made a big difference. I am not
> sure how
> this theory fits into your scenario?????
>
> Duncan Bennett
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com]On Behalf Of
> rparigor@suffolk.lib.ny.us
> Sent: 30 April 2007 01:21
> To: europa-list@matronics.com
> Subject: Europa-List: Into wind or downwind to run cooler on ground?
>
>
> I just read an artilce in April Kitplanes "Baffled by Baffles". One
> of the
> things discovered after tufting everything including the intake for
> large
> displacement aircooled engine was when pointed into the wind, even
> doing
> run up there was absolute no airflow! They descided to not go
> flying till
> they figured out why, and when headed back the second they turned
> downwind, air began to flow (They had small camera able to view
> what was
> going on). They began to fool on ground and sure as anything, no
> flow into
> wind, flow begins when downwind. Conclusion was the prop was at
> more of an
> angle of attack pointed downwind and was creating a larger low
> pressure
> area.
>
> Has anyone actual tried pointing downwind, versus pointing into the
> wind
> when stuck on the ground for extended periods with a Europa? Does
> pointing
> downwind yield lower temperatures?
>
> Especial interested in results with monowheel with "Groundloop"
> adjustable
> Airmaster prop (course and fine tested)?
>
> Thx.
> Ron Parigoris
>
>
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