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Old Jun 18, 2012, 02:45 PM
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United Kingdom, Peacehaven
Joined Mar 2009
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42" KFm4 Depron Slope Soarer with 48" KFm marginal condition wing

Hi Folks
Just a new addition to the nest a 42" depron slope soarer
couldnt find one in the scratch builts so I designed this one myself
KFm 4 wing made of 3 6mm depron pieces and the fuselage
built on a pair of pine longerons with 6mm depron tailplane and fin
2 channel 3 servos 315 sq inches and 17 ozs . wing loading of 8.5 oz sq ft

The wind turned up in the right direction today . 17mph .
great test flight . I was surprised how aerobatic it was with the small control surfaces 1" ailerons and elevator. loops, rolls and inverted flight without problems the KFm 4 worked well . if anyone is really interested I will describe the build fully . (Its a days Build from start to finish)
Have built a KFm 3 for more marginal conditions with 1.5 " ailerons and 48" span
fitted servos now the wing is complete and waiting to test fly when conditions improve
Here is the KFm 3 wing photo added 3/7/12

Built on Falcon Technology and the forerunner to the Funmaster see the falcon thread
Both slimline versions of the falcon but using KFm wings and doubles as a test bed for new wings using the now stock 42x7.5 wing sizes for holiday models

regards all emma
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Last edited by twinkle; Aug 10, 2012 at 02:42 PM. Reason: kept up to date
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Old Jun 23, 2012, 10:59 AM
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South Africa
Joined Feb 2009
2,850 Posts
I like it - good luck with the maiden
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Old Jun 25, 2012, 03:32 PM
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superb75's Avatar
Quebec City, Qc, Canada
Joined Jan 2008
141 Posts
Success again!!

Congratulations on this successful flight!

Simple design and good proportions seems the key to success here again!

Jean
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Old Jun 26, 2012, 09:33 AM
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South Africa
Joined Feb 2009
2,850 Posts
Glad to hear she flew well! Still go to try my hand at sloping one day - apparently its addictive

Al
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