I too have installed these ventilators. A hole saw of 1 7/8" was used for
the opening. I chose a position midway between the front and rear span of
the windshield, just below the thick reinforced part of the fuse molding,
and above the fuse moldings jogle. This puts the ventilator just above my
knee and just clears the panel glareshield. After I cut the holes it was
apparent that the skin is very thin and flexible there so I added two layers
of carbon bid to stiffen it up. The units were bonded in with redux from the
inside, a filet of redux around the 21/2" dia. edge.
Gary, glad to hear you like them, now that I have stuck these expensive
little things in my project! I just didn't want to go the Naca route.
Another option would be a sliding window vent like most sailplanes have. Has
anyone gone that route? Then you would have an opening to drop small objects
from!
Still working on the doors, Kevin
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com]On Behalf Of Tony Renshaw
Subject: Europa-List: Ultimate Ventilators Question
<tonyrenshaw@optusnet.com.au>
Gidday,
These Ultimate Ventilators in the Spruce Catalogue look good, and solid. I
know
that the best and easiest ventilation comes from a deflection into the
airflow,
and yes it is draggy. I am happy to be able to modify my comfort, and my
drag
subject to my needs. So, these little guys look good. I would like to know
their diameter, best recommended placement if it is other than the usual
location, and whether I can bond my cutout of skin to the outside of the
flange
that rotates, to make it basically invisible from the outside except the
scribed circle?
Thanks, and yes they are not cheap at $130 AUD.
Reg
Tony Renshaw
>
>In a message dated 7/7/2003 7:28:42 AM Eastern Daylight Time,
>hagargs@earthlink.net writes:
>
>> I believe that's that's the SOP if I left anything out the older timers
can
>> comment as necessary.
>>
>
>Steve,
>
>Check out Aircraft Spruce's "Ultimate Ventilators". I put a set in my
>Citabria and they are great! I'm planning a set for my Europa. A bit
pricey,
>but they
>provide excellent ventilation.
>
>Regards,
>
>John Lawton
>Dunlap, TN
>A-245
>
>
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