"It's not directly scale, it's wing loading. Just look at the sensitivity to winds for huge manned sized solar powered aircraft. It just so happens that you can fit incredibly powerful turbines and huge fuel tanks in a large aircraft."
"Aerovel's Flexrotor and NG's TERN both use large diameter props...rotors really because each prop has a swash plate like a helicopter. Big rotors with rigid rotor heads have huge control power relative to a quadwing. You can still see the Flexrotor…"
"Unfortunately the MaxiJoker is RIP (resting in pieces). That thing was faster than stuff we have now on account of the aerodynamic canopy, short flight time, and no payload. In other words, not useful. I'm not sure if the tilt rotor will be done in…"
"Yes, JB, gas has a higher energy density, that is why gas aircraft are more efficient. The question they need to answer is: if I have a gas aircraft, why would I want to supplement it with electric and make it hybrid? There are certainly compelling…"
"Check out what Douglas DalSoglio, NORAD Operations Division analyst, said about TFRs in 2010. Very poignant.
[H]e said he wants to see more advanced notice on TFRs and a more "realistic application" of them, using them when necessary and not as a…"
"First they failed at banning all commercial drone operations. Looks like they are attempting a second method. I would like to see a case in front of a judge regarding an illegal flight of a Proto X or paper airplane under a TFR.