I was thinking of doing what one of the guys on the flyfly hawk thread did and machine up a joiner for the elevators and then used one servo to drive them. I even bought all the materials to do it and got the lathe ready. But then the more i looked at it, i didnt like it Either. Firstly he has the whole arrangement hanging into the thrust tube which I didn't like at all, that was ok, i was going to hide mine in the base of the fin. And secondly when I looked at the geometry, what he had done wasn't right either. It was ok just through the center range of movement but it would eventually bind.
So I might just use 2 servos but have them hidden in the tail area. And drive each elevator half using ball joints. I'll also be adding an additional bearing block for the elevator shaft. I better get cracking on this one soon and post some pics.
Re: sloping, yeah, great fun and I have been flying the same wing I designed for about 6-7 years. Ended up recovering it a few weeks ago which brought it performance right back up again but I've gone with a bigger 48" full epp windrider bee2. Hope to be able to mix it up with the other guys on the slope now. Can't control the winds, so if you can't stop it, join it!!!
I do have the smart model hawk 100 coming

it's been a LONG time coming, but I'm told its shipping out next week some time and in Aussie colours as I requested. I was meant to do some prototype testing for him but it looks like another of the prototypes got out to South Africa first?? Ah we'll, make my life that bit easier

looking forward to the full composite one which is definitely coming my way first! I'll start a new thread for the build on these ones. Thanks
Dave