All Moving Wings

[cwatters]

> cwatters - any idea whether these experiments were using a
> single axial mounting point (which is going to have huge
> torsional issues), or something where there is - say - a leading
> pivot point, and a trailing lever arm?

I first saw all moving wings in the 1970's. At the time normal model gliders typically featured a two piece foam/veneer wing to make transport easy. The wings were joined together using a tube 'joiner' roughly located on the CoG. When a round tube was used a smaller joiner (usually wire) was used to stop the wing rotating about the main tube...

So take the rear joiner out and you have all moving wings. I recall seeing two models - one had a conventional elevator and just used the all moving wing for roll control, and another that had a fixed tail. The latter used two servos one on each wing panel so that the wings could be moved together for pitch control and seperatly in oposition for roll control.

There was even a kit was produced in the early 80's - but I recall seeing two break up in the air at speed. These days carbon rods and tubes are available which would make things easier.