posted in Technology
First test flight of largest all-electric aircraft used just $5 of electricity
arstechnica.com/gadgets/2026/08/first-test-flight-of-largest-all-electric-aircraft-used-just-5-of-electricity/
Replying to @FoxtrotDeltaTango@sh.itjust.works
I did my best to find any technical data about the flight. Couldn’t find any actual numbers. FWIW it’s not intended to be a standalone method of powering the aircraft for commercial use; they plan on making it a hybrid, which makes far more sense as far as range and payload are concerned. Best guess a 25000 lb aircraft like this will probably cruise around 120-150Kt at a nice, slow, efficient airspeed for a test like this. So maybe a 40-50 mile flight because “air time” probably started as soon as they lifted off.
Replying to @RememberTheApollo_@lemmy.world
Yeah the problem is they also don’t tell us the load during the flight. From the lift equation (let’s be hand wavey) if they’re a similar size to a regional jet (same planform area) your heavy lift is better driven by speed than lifting coefficient. Of course, it’s hard to go fast with electric props, so I wonder if a safe ceiling is probably 400Kt 300Kt?
Gives a nice range of you know… 40 to 200 150 miles.
Edit:
No way. The speed record for a prop aircraft currently stands at about 300Kt. If we use that generously our new ceiling is lower.
Replying to @dream_weasel@sh.itjust.works
It’s right there, friend.
25,000lb. Reading the article it says “more than 25,000 lb”.
We should assume they used a highly efficient airfoil that can maintain the most efficient possible cruise for the demonstration aircraft probably at L/D max if they’e looking for time aloft, so I doubt it’s even worth considering top speed or ceiling. It would be interesting to know what NACA profile they used and what the top speed characteristics would be.
Edit: looks like a Vne of 140 Kias. This is not a fast aircraft. Also a minimal useful load. If you make a couple clicks through to the site of the test it’ll give you more info.