Having re read what I said I take your point, oversimplification.Neverthele
ss it's surface imperfections=0Aie any bump or hollow more than a couple of
thou over a 2" length is too much. 2000=0Agrit finish is probably as good
as it needs for performance.=0ABird's wings intrigue me, there are incredib
ly efficient. I'd love to see a comparison of the fuel burn=0Aof an albatro
ss or an arctic tern with a Europa. Grey Lag goose might be interestin too.
How far do they fly without refueling?=0APoint being I guess boundary laye
r control is everything, vortex generators had an amazing effect on my Long
EZ,=0Alowered the stall by 9 kts and little effect at higher speeds. (didn
't get chance to measure it but the mod developer claims only 2kts=0Apenalt
y. =0AGraham=0A=0A=0A=0A=0A=0A________________________________=0A From: Dav
id Joyce <davidjoyce@doctors.org.uk>=0ATo: europa-list@matronics.com =0ASen
t: Tuesday, 28 January 2014, 9:39=0ASubject: Re: Europa-List: Cowl mods for
David Joyce" <davidjoyce@doctors.org.uk>=0A=0AGraham, Are you sure?- You
usually are, but competition gliders are produced with amazing attention t
o their finish - gel coat rubbed down progressively to 2000 grit and then p
olished with hard wax. We share their laminar flow aerofoils which are said
to be highly sensitive to surface imperfections.=0A- Regards, David Joyc
e G-XSDJ (with gel coat finish!)=0A=0A=0A=0AOn Mon, 27 Jan 2014 21:53:13 +0
000 (GMT)=0AGRAHAM SINGLETON <grahamsingleton@btinternet.com> wrote:=0A> Th
e lightest Mono I know of was less than 750lbs. A showroom finish must weig
h 20 lbs=0A> at least and adds nothing to performance.=0A> Graham=0A> =0A>
=0A> =0A> =0A> ________________________________=0A> From: Greg Fuchs <grego
ryf.flyboy@comcast.net>=0A> =0A> Hmm.. some HAVE paid more attention to the
weight during the build, and=0A> still end up bloated.. 860 is not too bad
, IMO.=0A> =0A> I'll be trying to use lower power items, such as external L
ED lights and=0A> EFIS. Since none of them pass Burt Rutans qualification o
f staying in the=0A> air when tossed there, I will now be adding helium-bal
loon ballast to the=0A> ship to compensate for it. :)=0A> =0A> Thanks again
=
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