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martin-w

Lilium looking good - first main wing transition.

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Yeah it looks good. But the breakthrough they need is on the battery problem.

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8 minutes ago, rka said:

Yeah it looks good. But the breakthrough they need is on the battery problem.

 

In terms of the Liliuim the battery isn't a problem, because its designed for short range air taxi stuff.

We have the Eviation Alice about to compelled its first flight with a 650 mile range, beyond that sort of range, yes, battery tech needs to improve.

Solid state is almost here of course. And hybrid designs are taking shape. 

 

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Wow.. just wow. I remember seeing it in an internal company memo (no, I don't work for Lilium, just a supplier, and here we don't make any Lilium parts), but I didn't expect it to come so soon...

Congratulations Lilium!

 

PS: knowing about all the dreaded B-52 seven-engine landing jokes, what about a 35-engine landing now? 😝

Edited by Luis Hernandez
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Best regards,
Luis Hernández 20px-Flag_of_Colombia.svg.png20px-Flag_of_Argentina.svg.png

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1 hour ago, martin-w said:

 

In terms of the Liliuim the battery isn't a problem, because its designed for short range air taxi stuff.

We have the Eviation Alice about to compelled its first flight with a 650 mile range, beyond that sort of range, yes, battery tech needs to improve.

Solid state is almost here of course. And hybrid designs are taking shape. 

 

The problem is that all those are about to complete their first flight "next year" for a number of years now. I'd like to see those concepts working soon, but I don't believe it's going to happen soon.

I mean we don't even have cars with an acceptable range at normal car speeds yet. And with a plane, you always have to have reserves in case you have to divert. So 440 nmi as with the Alice isn't really impressive IMHO. Taking reserves into account, you could just drive that usable range and it probably wouldn't take you any longer considering you have to get to the airport, check in etc. otherwise.

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1 hour ago, rka said:

The problem is that all those are about to complete their first flight "next year" for a number of years now. I'd like to see those concepts working soon, but I don't believe it's going to happen soon.

I mean we don't even have cars with an acceptable range at normal car speeds yet. And with a plane, you always have to have reserves in case you have to divert. So 440 nmi as with the Alice isn't really impressive IMHO. Taking reserves into account, you could just drive that usable range and it probably wouldn't take you any longer considering you have to get to the airport, check in etc. otherwise.

The battery technology today is wholly inadequate to fulfill the dream of eliminating fossil fuels.  They just don't have enough energy density and don't charge fast enough.  Moreover, we would have to build hundreds of new mines in order to extract enough minerals to build the truly massive number of batteries required for every vehicle, solar panel, and wind turbine.

I support research and innovations like electric planes and cars, and believe that we should be pouring billions into battery research as well as cleaner energy production, but if we're being realistic it will take several decades before we have an all-electric vehicle and aircraft fleet.  A target of 2050-2060 would be realistic, not 2030 or 2035, and that's only if we're willing to fund the research and development which will cost a fortune.

Dave

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