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Old 26.07.2016, 08:19
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Re: Solar Impulse goes around the world

While I can appreciate the achievement I can't really see why so much money was wasted on this project. Okay, so it didn't use carbon based fuel. Said fuel was used to make the batteries for it in the first place though so you can't really call it carbon free. The idea is totally impracticable for daily life so basically what is the point?
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Old 26.07.2016, 08:24
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Re: Solar Impulse goes around the world

Donīt worry we will have a solar powered 747 anytime now.
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  #23  
Old 26.07.2016, 08:26
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Re: Solar Impulse goes around the world

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While I can appreciate the achievement I can't really see why so much money was wasted on this project. Okay, so it didn't use carbon based fuel. Said fuel was used to make the batteries for it in the first place though so you can't really call it carbon free. The idea is totally impracticable for daily life so basically what is the point?
Every bit of technology that you use in daily life, when first invented/discovered was impractical to use.

Solar impulse represents basic research and development. Sooner or later, a lot of the technology will find its way into daily life in some form or another.

In fact, it already may be getting there

http://wap.business-standard.com/art...2400347_1.html
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Old 26.07.2016, 08:30
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Re: Solar Impulse goes around the world

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While I can appreciate the achievement I can't really see why so much money was wasted on this project. Okay, so it didn't use carbon based fuel. Said fuel was used to make the batteries for it in the first place though so you can't really call it carbon free. The idea is totally impracticable for daily life so basically what is the point?
Most envelope breaking is environmentally and financially impractical. This one was at least not funded for military applications.
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Old 30.07.2016, 12:00
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Re: Solar Impulse goes around the world

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While I can appreciate the achievement I can't really see why so much money was wasted on this project. Okay, so it didn't use carbon based fuel. Said fuel was used to make the batteries for it in the first place though so you can't really call it carbon free. The idea is totally impracticable for daily life so basically what is the point?


it is a contribution to progress. in the days of the Wright Brothers nobody took commercial flying serously Scheduled Clippers did the traffic between Europe and the Americas
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Old 30.07.2016, 15:49
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Re: The Swiss are truly a little nuts...[Solar Impulse II]

Seriously, it'll never fly.
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Old 30.07.2016, 15:52
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Re: The Swiss are truly a little nuts...[Solar Impulse II]

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Seriously, it'll never fly.
Yes, commissioner Duell.
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Old 31.07.2016, 09:33
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Re: The Swiss are truly a little nuts...[Solar Impulse II]

A little nuts?

This is truly nuts:

http://www.bbc.com/news/world-us-canada-36935087
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Old 31.07.2016, 09:39
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Re: The Swiss are truly a little nuts...[Solar Impulse II]

How much of a success was this exercise, considering the aircraft's batteries sustained thermal damage that took months to repair.

Considering the batteries are key element to the plane.

Feels a bit like the only fools and horses sketch where Trigger claims that he's had his road sweeper's broom for 20 years. But then he adds that the broom has had 17 new heads and 14 new handles.
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Old 31.07.2016, 09:40
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Re: Solar Impulse goes around the world

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Most envelope breaking is environmentally and financially impractical. This one was at least not funded for military applications.
So no one is thinking about solar powered drones?
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Old 31.07.2016, 10:06
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Re: Solar Impulse goes around the world

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So no one is thinking about solar powered drones?
They are, Nasa et al have been talking about and working on it for a long time.

But Picard went out and did it with a human, round the world, with private funding.

There are a few partners from the military sector, this isn't surprising. The motivation for SI, if you read and believe their website was to show that technology can overcome seemingly impossible challenges cleanly.

What would be interesting would be to compare the budgets for the privately funded vs the govt. funded projects.

see https://en.wikipedia.org/wiki/Electr...ctric_aircraft
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Old 02.08.2016, 10:43
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Re: Solar Impulse goes around the world

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What would be interesting would be to compare the budgets for the privately funded vs the govt. funded projects.
I wouldn't be surprised if many who say government is unnecessarily expensive have an agenda of their own, in particular personal economic reasons. For instance NASA has done enough groundwork by now to give private companies a feasible path forward, therefore NASA must be shown to be too expensive in order to get rid of them.

For instance, see this article. In short:
In 2013 DARPA invited offers for improved radionuclear detectors. Compared to then-current top notch devices, the new devices were to be twice as sensitive at no more than 10% of the cost.

An agency that doesn't care about costs wouldn't demand that kind of leap.
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