Banggood is now taking pre-orders for a VTOL wing. It seems to be the holy grail of VTOL to me - no redundant motors, no extra servos, so it's a simple, reliable, and above all, efficient.

http://www.banggood.com/Arkbird-VTOL-Vertical-Takeoff-And-Landing-E...

Note that the link above excludes electronics, the Arkbird Lite 2.0 FC is required, along with the usual electrics.

Tridge..? :)

https://www.youtube.com/watch?v=uQibL09skJ8

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Comment by Rick Yonika on March 31, 2017 at 3:02pm

Gary, yes servo tilt, it changes the flight dynamics more than I expected I think you will see lots more of this. 

Comment by Gary McCray on March 31, 2017 at 3:26pm

Hi Rick,

Yeah on further reflection I can see that in VTOL(ish) mode you would probably need servo control plus independent throttle control in order to maintain stability, orientation, course and control.

Otherwise it would be impossible to control and you'd be back to needing a minimum of 3 or 4 motors.

Might work for a quick takeoff, but landings would be unlikely at best.

Best Regards,

Gary

Comment by Jason Franciosa on March 31, 2017 at 3:41pm

@rick, do you have a video of it in Full forward flight? The video shows hover mode, but, I'm curious to see how it flies when it's in Plane mode?

What's really cool about that design is it looks like you could transition to plane mode very quickly on takeoff reducing the wasted energy of the hover mode a lot. Looks like you could begin angled flight even 1 foot above the ground and begin taking advantage of the lift generated by the wing almost immediately!

Comment by Rick Yonika on March 31, 2017 at 4:53pm

Jason Hi, 4 videos on youtube, but not that one in ff ,some questions answered in comments.

Comment by EsdTechnik on March 31, 2017 at 10:32pm

@Gary, it was written in the sky that we would get Tridge attention. :)

Comment by JB on April 2, 2017 at 6:43am
Comment by Pascal Fust on May 12, 2017 at 5:17am

My 5c about efficiency of transitional A/Cs: in terms of parasitic weight, I agree with you that this design is as minimalistic as possible, however the huge thrust needed for take-off and landing demands powerful motors and props, which are (often) not optimized for high efficiency fixed-wing flying. 

Best,

Pascal

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