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Search: Posts Made By: Scuffers
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Forum: Rumours & News
26th Jul 2016, 13:25
Replies: 82
Views: 43,771
Posted By Scuffers

So, just to put this in context, a massively...

So, just to put this in context, a massively expensive Solar plane takes months to do the job a Russian dude has managed in 11 days in a balloon.

Russian priest breaks round-the-world ballooning...
Forum: Rumours & News
15th May 2016, 17:33
Replies: 82
Views: 43,771
Posted By Scuffers

the problem with that is LEO satellites are...

the problem with that is LEO satellites are getting much cheaper every month as are the launch costs, to the point SpaceX are already looking to launch their own LEO constellation for net...
Forum: Rumours & News
10th May 2016, 08:22
Replies: 82
Views: 43,771
Posted By Scuffers

The big problem here is that it's a tenuous bit...

The big problem here is that it's a tenuous bit of tech without a real application.

What's the 'must-have' application for blimps?

short answer is - NONE. if there was, they would be out there...
Forum: Rumours & News
10th May 2016, 06:15
Replies: 82
Views: 43,771
Posted By Scuffers

yes, 1,600Kg's light.... and carries one person.

yes, 1,600Kg's light.... and carries one person.
Forum: Rumours & News
9th May 2016, 17:09
Replies: 82
Views: 43,771
Posted By Scuffers

Solar panels are not weight free, and neither is...

Solar panels are not weight free, and neither is the supporting wiring/inverters/etc.
Forum: Rumours & News
28th Apr 2016, 16:22
Replies: 82
Views: 43,771
Posted By Scuffers

really? Trent is more efficient at 40,000ft...

really?

Trent is more efficient at 40,000ft than at ground level, they are very much optimised for running at cruise altitude.

So, A380 at 40,000ft loses an engine, does it fall out the sky or...
Forum: Rumours & News
28th Apr 2016, 15:43
Replies: 82
Views: 43,771
Posted By Scuffers

who said anything about at cruise power? ...

who said anything about at cruise power?

Yes, at cruise, the Trent is probably at ~24Mw, however, what would it be if you push the throttles forward all the way?

(Or are you suggesting that the...
Forum: Rumours & News
28th Apr 2016, 12:17
Replies: 82
Views: 43,771
Posted By Scuffers

Not quite. read this: Aerospaceweb.org...

Not quite.

read this:

Aerospaceweb.org | Ask Us - Convert Thrust to Horsepower (http://www.aerospaceweb.org/question/propulsion/q0195.shtml)

and I picked 80,000Lbs as it's broadly the...
Forum: Rumours & News
23rd Apr 2016, 17:38
Replies: 82
Views: 43,771
Posted By Scuffers

well, yes and no, the point of a drone is to...

well, yes and no,

the point of a drone is to be small, inconspicuous, remote etc, ie, the predators etc, they have bugger all wing area, thus to make them viable as solar powered, you would need...
Forum: Rumours & News
23rd Apr 2016, 12:48
Replies: 82
Views: 43,771
Posted By Scuffers

Look, all well and good, but unless you plan on...

Look, all well and good, but unless you plan on changing the laws of physics, simply not going to happen.

big as the A380 wing topside is, it's never going to be big enough for anything like a...
Forum: Rumours & News
23rd Apr 2016, 06:56
Replies: 82
Views: 43,771
Posted By Scuffers

Personally, I think it's a total waste of...

Personally, I think it's a total waste of time/money.

even if you could make solar panels 100% efficient, they are simply not going to generate enough power for anything significant to fly.
...
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