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-   -   UMX RADIAN w/ "BIRD of TIME" WING (https://www.wattflyer.com/forums/showthread.php?t=80845)

Bobdaeronort 06-28-2020 02:48 PM

2 Attachment(s)
So it seems i may need a Radian intervention.
I have a UMX Radian ( my 2nd one ) and an old and recently refitted Radian Pro and a new Night Radian which i got for Fathers Day.
I've been watching old videos of gliders and came upon a discontinued 3-meter ( 118" wing-span ) one by GREAT PLANES. I really liked the unusual wing plan and wondered how it might work with one of my Radian's.
So i decided to try it first on my UMX Radian.
The UMX radian is a scaled down version of the Two Meter Radian with a 29" wingspan. So in scale to the UMX Radian a meter is half the wing-span so 14.5".
Therefore three meters is 3 x 14.5" which equals 43.5".
I scaled the "Bird of Time" plan in my CAD program and plotted a half span wing about 22" long, added a 24" #3 CR bent the wing ends up per the BOT plans and stuck it on my UMX Radian.
Waited for the Windiana winds to die down and got a few trial flights at twilight.
It balances and flies really well and of course with a greater glide. I'll do a video when I can get to the field.

Rabbitcreekok 06-28-2020 09:15 PM

It looks like it flies very nice. My knowledge of gliders is very limited, having only flown one once and then with much help. The motor glider would probably be the way for me to go.

jobobeda 07-05-2020 01:39 AM

Was this wing a foam wing or a balsa build with covering. It looks like the leading edge was covered with reinforcing tape for strength. What an interesting combination for the radian. Thanks for posting.jb

Bobdaeronort 08-02-2020 01:21 AM

Yes it is a Fan-Fold-foam wing which is made in a similar way to the ARMIN Wing.

pumpkin 09-05-2021 01:27 PM

BoT wing
Hi - I have pm`d you about your post above.

Bobdaeronort 09-05-2021 02:20 PM

I don't see your PM in my inbox?

pumpkin 09-05-2021 02:23 PM

Apologies! Seem`s I emailed you by mistake.

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