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Search: Posts Made By: Winemaker
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Forum: Rumours & News
16th Feb 2024, 02:00
Replies: 112
Views: 22,022
Posted By Winemaker

An issue here is what market will this serve? ...

An issue here is what market will this serve? Most airlines passengers are not rich persons able to afford the luxury of an EVTOL ride to where ever, they are people visiting relatives or going on...
Forum: Rumours & News
3rd Feb 2024, 19:10
Replies: 112
Views: 22,022
Posted By Winemaker

A couple of comments. Re hydrogen fueled...

A couple of comments. Re hydrogen fueled turboprops, the issue with hydrogen is storage; tankage, whether liquid or gaseous will require a pressure vessel as normal wing tanks are sealed areas in the...
Forum: Rumours & News
30th Jan 2024, 03:10
Replies: 112
Views: 22,022
Posted By Winemaker

That's an interesting point. What is the power...

That's an interesting point. What is the power deliverable from a discharging battery looking at a charge/rate factor? If the battery is below say 25% charge, can it deliver at the same rate as a...
Forum: Rumours & News
29th Jan 2024, 21:17
Replies: 112
Views: 22,022
Posted By Winemaker

The best energy burn/passenger-km for...

The best energy burn/passenger-km for conventional aircraft I could find was 259 wh/passenger-km (2.78L/100 passenger-km) and that number does account for inefficiencies of the engine, so I'm not...
Forum: Rumours & News
29th Jan 2024, 19:47
Replies: 112
Views: 22,022
Posted By Winemaker

A quick calculation using the numbers in the...

A quick calculation using the numbers in the article as to range, passengers, and battery energy density, suggests a battery to fly 800 km would mass about 33,500 kg. This does not include any...
Forum: Rumours & News
27th Jan 2024, 14:50
Replies: 112
Views: 22,022
Posted By Winemaker

Then my understanding is this thing is not an...

Then my understanding is this thing is not an EVTOL, it's a VTOL with electric motors for engines and a combustion engine(s) for power. This is not an electrical vehicle.
Forum: Rumours & News
29th Nov 2023, 00:33
Replies: 112
Views: 22,022
Posted By Winemaker

So where are these air-mobility flights going to...

So where are these air-mobility flights going to land? You can't just hail a helicopter and have it land in the street. My brother has a house on Pine Lake in Sammamish, Washington. A neighbor wanted...
Forum: Rumours & News
15th Nov 2023, 21:26
Replies: 112
Views: 22,022
Posted By Winemaker

I recently rented a Tesla after a flight so I...

I recently rented a Tesla after a flight so I could test drive it. I was in a hot environment, 100°F, and found that a major power suck was air conditioning. The car exhausted 75% of it's just fully...
Showing results 1 to 8 of 8


 
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