If the original was fly by wire, then the centre of lift and centre of gravity would have to be within a very short distance of each other. That is the only way you could fly it without quadruplex computer systems and a back up computer to get you home.
Youtube" sites but my browser hates 'em but is always fine with "the same content" if it exists on YT.
Initial comment: should have made the plane a little bigger, then he could have sat in it and it would have been even more fun :-)
I don't know about engine vs. engines - about 1:35 when it starts moving, it looks like the grass is being blown all the way across the back, not just in the middle, but that might just be an effect of the low quality / high compression in the vid itself.
Is it possible that the engine(s) are mounted inboard in the fuselage, but ducted via the wings to the 'normal' engine exhausts? I'm not sure if that'd work without too much flow restriction (or problems with overheating). I'm sure it'd be possible with the intakes though (although maybe there's an intake toward the front on the underside of the fuselage
- I'm not sure if it'd be possible to see it in the video even if there was)
The function of fly by wire is to make sure that the CG IS at the centre of lift, at all times..moving the elevators changes the center of lift dramatically ;-)
Go back and check your definitions., I know what you are saying, but it isn't the correct way to say it.
No, I said it puts it there when its in a stable gliding attitude. Center of lift varies all over the place depending on airspeed and attitude.
If it isn't at the center of lift, teh plane will fall over. Fly by wire wire is equivalent to riding a unicycle. It can be done, but requires constant input.
Normal planes are like sitting in a unicycle with te tyre removed suspended upside down. by a cable. It's stable.
Its the confusion between the first differential of lift position with lift position itself. If the centre of lift e.g. moves aft as the plane puts its nose down, and the weight is not low enough for some sort of pendulum stability, its unstable in pitch and will tend to 'tuck under;' Its VERY hard to fly a plane like that, and beyond a certain limit, impossible. Pull the nose up, and it responds by snapping into a stall.
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