woods42

I think an interesting aspect is that on normal aircraft fuel tanks have to be near the center of lift to maintain weight and balance as fuel is burned off. When using batteries, this is not really a concern, and I would think might lead to some more interesting designs. To be sure, if there is space in the wing, awesome - the batteries can now also be used as ballast though too if required.

My grandfather had one of these, though gas powered. It may have been the Ford model, cannot remember, though his was built I believe in the late 40s / early 50s. One story that still makes me laugh, he couldn't start it one day, and asked my grandmother to give him a pulling start w/ their ford diesel pickup. One look and my about 12 year old self just knew she wanted to be anywhere else but there (some foreshadowing, she had a reputation for a lead foot). Grandpa had already tied a rope from the tractor to the truck, and I believe he was in maybe one of the lower gears ready to pop the clutch after he got up to speed. Grandma tore (yes, tore) out of the yard shifting gears, and she was accelerating down their long driveway headed for the main road as Grandpa started frantically waving his hat trying to get her to stop. I'm pretty sure he never asked her again to help start the tractor. And yeah, the tractor was started, probably in the first 50 feet of that episode.

ours does - and it does it very reliably as you describe the bolt above.

100% Agree. Too many corporate boards are more interested in a stock analysts short term opinion than their own companies long term health.

There's a reason that SpaceX has re-usable rockets, and Lockheed Martin and Boeing do not.