Does a tandem ultralight need flaps on the rear wing if the front wing has flaps?
I understand that most Rutan canards don't have flaps as I was told if the main wing has flaps, the canards need one too.
Rutan did make one with flaps on both the canard and the main wing. I think it was called the Grizzly.
So... what about a tandem aircraft (with positive lift on the horizontal tail) with flaps on the front wing ? Does the rear wing need flaps too?
Can't you just use the horizontal trim tab as a flap if you need more rear lift to offset extra lift of the main wing with flaps extended?
After all, wouldn't most conventional aircraft with rear cg and slow flight ( low Cm) in a dive with a symmetrical horizontal tail, with elevator down, be generating positive tail lift anyways, so they are acting like a tandem aircraft, no?