Hi Guys=0AI found a couple of files which just might give you accurate wing
sections, One =0Ais a *.dwg (Auto cad I think) the other a *.dxf. drawing
exchange file. I no =0Alonger have the software to open these so would some
one try and let me know if =0Ait works?=0A=0AThe last one should give a 47"
print out onto several sheets=0AGraham=0A=0A=0A___________________________
_____=0AFrom: Christoph Both <christoph.both@acadiau.ca>=0ATo: "europa-list
@matronics.com" <europa-list@matronics.com>=0ASent: Tuesday, 17 August, 201
0 13:24:07=0ASubject: RE: Europa-List: Stall spin characteristics=0A=0A =0A
Hello,=0AWhere would one find the digital collection of the profile?=0AThan
ks,=0AChristoph Both=0A#223 Classic Wolfville Nova Scotia, Canada=0A =0A
=0AFrom:owner-europa-list-server@matronics.com =0A[mailto:owner-europa-list
-server@matronics.com] On Behalf Of GRAHAM SINGLETON=0ASent: Tuesday, Augus
t 03, 2010 1:08 PM=0ATo: europa-list@matronics.com=0ASubject: Re: Europa-Li
st: Stall spin characteristics=0A =0ABill=0Athe stall characteristics are d
ependent on the quality and accuracy of the =0Aleading edge. LE is relative
ly small radius and its all too easy to sand the =0Abump off with the effec
ts you mention. In UK we are told to use stall strips or =0Aa stall warner.
=0AStall strips are recommended and if carefully adjusted will calm the sta
ll. Get =0Ahold of the digital print out of the section and make templates
every foot or so =0Aspanwise. Then spend hours and hours getting the sectio
n right. There is a tiny =0Abump under the LE which is important but hard t
o spot.=0AGraham=0A =0A =0A=0A________________________________=0A =0AFrom:W
illiam McClellan <wilwood@earthlink.net>=0ATo: "Europa-List@matronics.com"
<Europa-List@matronics.com>=0ASent: Tuesday, 3 August, 2010 16:50:07=0ASubj
ect: Europa-List: Stall spin characteristics=0A=0A--> Europa-List message p
osted by: William McClellan <wilwood@earthlink.net>=0A=0AI understand that
the Europa is very prone to abruptly dropping a wing, trying =0Ato enter a
spin, when stalled with full flaps in the landing configuration. On =0Athe
other hand, in the clean, unflapped configuration the stall is very benign
. =0AI wonder if this is true of all Europa's or only some depending on th
e =0Aparticulars of that builders end product and possible modifications.
I have =0Anearly 1000 hrs in a Citabria with very much of it flying into sh
ort =0A"backcountry" dirt strips requiring significant STOL characteristics
. I don't =0Ahave flaps so regularly use severe straight and banked slips.
The Citabria is a =0A"dirty" plane compared to the "very clean" Europa so
I believe the use of severe =0Aslips in the Europa is never warranted. My
experience with very clean planes, I =0Aalso have 1000 hours in my high pe
rformance glider and since the air brakes work =0Aso well, severe slipping
is not needed...though some less than ultra clean =0Agliders, ie, trainers,
can make use of severe slipping!=0A. It seems likely that Cliff Shaw's ac
cident was a result of this abrupt spin =0Astall characteristic in landing
configuration. I have a rule (though not =0Aunique), "never skid a turn",
keeping a nice margin above stall. It seems that =0Athe Europa (and probab
ly all super clean planes, for instance the Cirrus), have =0Aa propensity t
o severe stall spin in landing configuration. I understand that =0Amany Eu
ropa pilots land with an airspeed up to 65 but this uses a greater =0Alandi
ng distance considering the stall speed is in the 40's. Europa's original
=0Atouted mission was short field, pasture strips. For those who often use
this =0Ashort field capability, I would like to know the particulars to ma
ke the Europa =0Aperform safely in this manner. Not having piloted a Europ
a, but am close to =0Afinishing my build, I am curious to these questions.
=0Ahref="http://www.matronics.com/Navigator?Europa-List"; target="_blank
">p; =0A -Matt Dralle, Libution" ========0A=0A
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