Split Elevon Air Brake Testing on Flying Wing

by MyGeekShow | February 12, 2014 | (9) Posted in Projects

 

I wanted to see if I could use a split elevon and some serious mixing to use a split elevon as an airbrake for my flying wing.

Worked great! I'm planning on using something similar on my larger, heavier Raptor 140B and new Raptor 140C. These two airplanes are much heavier and suffer from a very long glide ratio and high speed stall, meaning a very long approach.

Have you tried this before? Anything I could to make it better?

Thanks!

- Find this article & others like it at www.FliteTest.com -

Related Articles

52km/32mi Autonomous Cross Country Flight

by MyGeekShow

Flying a Marathon!

by MyGeekShow

Endurance Flight: 62 Minutes/72km/44mi

by MyGeekShow

COMMENTS

planemad man on February 13, 2014
i am doing a similar thing at the moment with a 40" twin motor flying wing here is a link to the thread:http://www.rcgroups.com/forums/showthread.php?t=2091582

i a currently waiting for servos for it
Log In to reply
MyGeekShow on February 13, 2014
Cool! Let me know how it goes! I'd love to learn from you.
Log In to reply
skindoc on February 12, 2014
Cool idea - you've got great energy - what are you taking ?
Log In to reply
MyGeekShow on February 12, 2014
Ha ha! I eat small Li-Po cells with my breakfast in the morning : )
Log In to reply
Holski77 on February 12, 2014
Great thinking, probably the best solution. Good luck trimming them out!

Oh, and finish driving home next time before you finish your video!
Log In to reply
MyGeekShow on February 13, 2014
Thanks! Yeah, it was solid gridlock... not much driving. That was the first movement in like 10 minutes...
Log In to reply
jamiedco on February 14, 2014
i wanted to try something similar on my divinity 2 wing but using the rudder flaps that flitetest used in there episode on rudders on flying wings i was just going to deploy both to slow the wing down and not worry about using them as a rudder . the episode was really good and worth a watch
Log In to reply
Non Action Man on February 15, 2014
Great idea! Have you thought about mixing in rudder? I want to make a HO229 kind of wing, and it has no vertical stabilisers. I was thinking alone a similar line, but more like the brakes on an A10 warthog (they split along the aileron so there is a top and bottom half). Your idea is much simpler, Thanks!!

NAM
Log In to reply
jslaker on February 13, 2014
Very cool idea.

Have you considered using one of the multiposition switches on your 9x to progressively engage the air brake mixing? I suspect that might help with the sudden bucking you're getting when you flip it on - step down your air speed a bit at a time so you don't suddenly have control surfaces hitting the airflow all at once.

I had programmed something similar for my Bixler. A switch would trim both ailerons up to dump some lift and trim the elevator slightly down to keep the nose attitude right. Each stepping of the switch would increase the amount of trim added. Takes some playing around to get the mix right, but it definitely helped with the never-ending glide problem. :)
Log In to reply

You need to log-in to comment on articles.

MyGeekShow

(73)

Split Elevon Air Brake Testing on Flying Wing