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Old Jun 23, 2012, 03:25 PM
Paul Naton is offline
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Lewisburg, PA
Joined Apr 2002
1,092 Posts
Radian Tune-Up Clinic

After many requests, I've made a detailed video showing how to make my major tuning modifications to a Radian to make it fly like a real sailplane.

I published a short tutorial on these tuning changes on my blog the Glide Fast Journal about 6 months ago and it was by far the most searched article on the site. Read the article here, its on the front page of the blog:

This 30 minute video covers changes to the CG and tail decalage angles which will greatly help the handling and glide ratio of both the Radian and Radian Pro. I also show other modifications I made to my plane for better glide, increased climb under power, and increase reliability.

I also show how to make a flaperon set up for the basic Radian which gives it camber changing and landing flaps, changes that really transformed this foam ball into a decent glider.

As a side note, I just won day 2 of the big Polecat ALES contest with the plane shown in the video, flying against good pilots with high performance models.

Please support this and future free videos by visiting our website at and purchasing one of our seventeen high quality training DVDs covering the skills of plane building, tuning, radio programing, thermal flying, electrics, handlaunch and contest flying.

Enjoy the video!

Paul Naton
Radio Carbon Art Productions

Parkzone RADIAN Modification Clinic.mp4 (31 min 53 sec)
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Old Jul 01, 2012, 02:03 AM
Swoopdown is offline
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C'mon more Energy
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Melbourne, Australia
Joined Mar 2005
3,530 Posts
Thanks Paul
More fantastic info that yoru parting with. I really appreciate it.
It will give me some insparation to drag my Radian out and give it a bit of a touch up.
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Old Jul 01, 2012, 02:31 AM
tinkering is offline
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Shrinking the fleet
United States, CA, Carlsbad
Joined Jun 2012
242 Posts
I have the Paul's sailplane tuning video and implemented some of the changes that Paul lists. The changes are great! Despite having glued the plane together multiple times since it was new, it now flies much better than it ever did out of the box.
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