ORIGINAL: Neil Collins

Hi Anton

I really like your idea, we had our first Aerobatic class in our Jet Nationals last year October and I have been toying with doing my own Aerobatic jet, however I think it would probably be far easier and cheaper to purchase one.
I have been flying a 1,9 meter Futura which has performed exceptionally well, if I could change my Futura I would want a slightly longer tail moment and more wing area.

I have some suggestions for your Ultra Dragon.
A longer tail moment or more area on your fin will help with tracking.
A fuselage strake or keel underneath will also help with tracking (ala Sebart Avantis)
Anhedral on the stab will have the same effect as lowering the stab which will help with knife edge coupling.
A wing span of 2.5 meters will help with increasing wing area.
If the wing trailing edge was straight or swept slightly forward it would move the Center of pressure forward which in turn would make the tail moment longer.
Perhaps you could offer two wings, the wing you have drawn for someone who wants a every day sport jet, and a slightly larger wing with less sweep for guys wanting to fly the aerobatic class.
I also think some form of wing fence or wing tip (SFG) will help with side area for knife edge flight.

I think as soon as the class gets its first wold championships the jet design will start moving more towards something resembling a F3A pattern ship. There is no reason why a jet cannot be designed to fly like a F3A plane and still have the sleek sexy lines of a jet.

Good luck with your venture I will be watching it very closely as I am looking for a new jet for the F3S class.

Regards

Neil Collins