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Search: Posts Made By: Dont Hang Up
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Forum: Jet Blast
3rd Dec 2020, 06:45
Replies: 17
Views: 871
Posted By Dont Hang Up

Well it's nice to be nearly right! While in...

Well it's nice to be nearly right!
While in fact totally (180 degrees) wrong 😊
That's the difference between gut feeling and inspired deduction.
Forum: Jet Blast
2nd Dec 2020, 13:08
Replies: 17
Views: 871
Posted By Dont Hang Up

I would concur with your assessment of landscape...

I would concur with your assessment of landscape and architecture and offer a tentative suggestion of Pembrokeshire, looking SW over St Brides bay towards the Marloes Peninsula and Skomer. But...
Forum: Jet Blast
26th Nov 2020, 16:12
Replies: 23
Views: 1,922
Posted By Dont Hang Up

Just remember that if we step away from our...

Just remember that if we step away from our support for developing nations then China will be more than happy to step in. Exerting their political influence in place of ours.

Sometimes foreign aid...
Forum: Jet Blast
13th Nov 2020, 12:41
Replies: 178
Views: 7,433
Posted By Dont Hang Up

Reading that reminds me of something I once read,...

Reading that reminds me of something I once read, and just had to copy it down:


The full article is here:...
Forum: Jet Blast
30th Oct 2020, 11:58
Replies: 205
Views: 24,775
Posted By Dont Hang Up

As anyone who has lived near a school will...

As anyone who has lived near a school will confirm, the chaos, inconsiderate parking, and downright dangerous "harassed parent syndrome" driving that occurs in the ten minutes before school starting...
Forum: Questions
23rd Oct 2020, 14:52
Replies: 11
Views: 1,006
Posted By Dont Hang Up

Lift will equal the pressure differential between...

Lift will equal the pressure differential between the top and bottom of a wing only if the wing passes through the volume of air and leaves it undisturbed.

At a positive angle of attack the volume...
Forum: Jet Blast
14th Oct 2020, 12:02
Replies: 94
Views: 9,018
Posted By Dont Hang Up

And indeed has many similar shortcomings as an...

And indeed has many similar shortcomings as an explanation of observation.

How can a flow that has such a tangible grasp on matter that it carries all along with it provide no detectible...
Forum: Tech Log
8th Oct 2020, 15:38
Replies: 34
Views: 7,214
Posted By Dont Hang Up

In principle I would agree. In practice, I...

In principle I would agree.

In practice, I would suggest that 3-axis control law is a precise art and thus autopilots can fly with a precision difficult for humans to equal (consistently anyway)....
Forum: Tech Log
7th Oct 2020, 09:32
Replies: 34
Views: 7,214
Posted By Dont Hang Up

The control law has never been the issue for...

The control law has never been the issue for autonomous flight. There is no reason that an autopilot cannot consistently carry out an on-limits crosswind landing as well as a top class pilot on the...
Forum: Jet Blast
24th Sep 2020, 08:55
Replies: 167
Views: 56,459
Posted By Dont Hang Up

161 thousand deaths per year due to accidents....

161 thousand deaths per year due to accidents. Many of those accidents will occur in the home.



However when the previous top 3 of Heart Disease, Cancer, and Accident add up to 1.4 million it...
Forum: Jet Blast
16th Sep 2020, 10:59
Replies: 70
Views: 5,356
Posted By Dont Hang Up

The possibility of cross contamination from...

The possibility of cross contamination from meteor impact debris is the more likely scenario. Antarctica is apparently strewn with small fragments of Mars so it seems equally reasonable that small...
7th Sep 2020, 16:24
Replies: 36
Views: 11,929
Posted By Dont Hang Up

Once again it is worth reminding ourselves that...

Once again it is worth reminding ourselves that there are no prerequisite qualifications for being a passenger on a commercial aircraft - either in terms of intelligence or being aviation savvy. And...
27th Aug 2020, 12:55
Replies: 40
Views: 6,500
Posted By Dont Hang Up

To quote from Wikipedia...

To quote from Wikipedia https://en.wikipedia.org/wiki/Tsar_Bomba

To limit the amount of fallout, the third stage and possibly the second stage had a lead tamper instead of a uranium-238 fusion...
Forum: Jet Blast
24th Aug 2020, 12:22
Replies: 63
Views: 2,567
Posted By Dont Hang Up

For all you know, the spelling of my username is...

For all you know, the spelling of my username is a deliberate, amusing play on my real name. Perhaps I am indeed Donald Trump!

More likely is that PPrune does not allow editing of a username (that...
Forum: Jet Blast
21st Aug 2020, 13:34
Replies: 11,810
Views: 1,092,724
Posted By Dont Hang Up

I stand by my point. Vaccinate those who are...

I stand by my point.

Vaccinate those who are at risk not those you would like to blame.
Forum: Jet Blast
21st Aug 2020, 11:33
Replies: 11,810
Views: 1,092,724
Posted By Dont Hang Up

Even when one fully embraces the benefits of...

Even when one fully embraces the benefits of vaccination one must acknowledge that there is a small risk associated with any vaccine.

The risks of life-changing or fatal complications form Mumps,...
Forum: Jet Blast
20th Aug 2020, 10:13
Replies: 63
Views: 2,567
Posted By Dont Hang Up

Not sure that is true. As an example, the...

Not sure that is true.

As an example, the word stressing in "The surveyor's report" is different to that in "The surveyors report" so the meaning should be clear.

Unfortunately there is no way...
Forum: Jet Blast
12th Aug 2020, 15:49
Replies: 11,810
Views: 1,092,724
Posted By Dont Hang Up

That is your prerogative. But then to accuse...

That is your prerogative. But then to accuse those who continue to hold a view that you yourself held until "recently" of...



smacks of something else entirely.
Forum: Jet Blast
16th Jul 2020, 14:55
Replies: 42
Views: 2,485
Posted By Dont Hang Up

Your old boiler will not deliver 23kW...

Your old boiler will not deliver 23kW continuously. Rather the burner will switch off when the water inlet temperature reaches a certain level and then switch on again once the inlet temperature has...
Forum: Jet Blast
9th Jul 2020, 08:02
Replies: 11,810
Views: 1,092,724
Posted By Dont Hang Up

One must not forget there is also a political...

One must not forget there is also a political dimension. Science suggesting the current approach is not the best, no matter how well evidenced, has become unfortunately associated by many with...
24th Jun 2020, 15:40
Replies: 1,657
Views: 2,646,422
Posted By Dont Hang Up

I suspect there will be little new to be learned...

I suspect there will be little new to be learned from the CVR after the commencement of the approach. If there are any clues at all they will be in the preceding portion - from the departure briefing...
Forum: Jet Blast
5th May 2020, 08:50
Replies: 29
Views: 14,210
Posted By Dont Hang Up

The idea that foreign travel is the problem is an...

The idea that foreign travel is the problem is an incorrect one. Apart from one or two locations that consider themselves a bubble (like New Zealand) the disease is pretty well ingrained in every...
Forum: Jet Blast
4th May 2020, 08:55
Replies: 82
Views: 5,746
Posted By Dont Hang Up

That had me confused, because I knew for sure it...

That had me confused, because I knew for sure it was a Two Ronnies sketch.

However Google re-assures me that Gerald Wiley and Ronnie Barker were one and the same. But it should be "I F N 10 E X"
...
Forum: Jet Blast
29th Apr 2020, 07:31
Replies: 36
Views: 5,399
Posted By Dont Hang Up

When accelerating a light substance like air to...

When accelerating a light substance like air to high velocity over a very short distance it is very easy to make grand, if dubious claims regarding g-force.

Just by way of illustration:

If you...
Forum: Jet Blast
23rd Apr 2020, 12:46
Replies: 43
Views: 3,298
Posted By Dont Hang Up

Yes that's right! The main staple of the...

Yes that's right!
The main staple of the Western Hemisphere for the entire history of civilisation is actually bad for us.
We are really supposed to live 'til we're two hundred and ten. The fact...
Showing results 1 to 25 of 700
 


 
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