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Search: Posts Made By: Feathers McGraw
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15th Apr 2021, 20:17
Replies: 14
Views: 8,403
Posted By Feathers McGraw

Yes, there is no fundamental difference beween...

Yes, there is no fundamental difference beween Li-ion and Li-polymer in this regard, they all have electrolytes that give off oxygen when they break down under heat.
15th Apr 2021, 20:08
Replies: 14
Views: 8,403
Posted By Feathers McGraw

The type of lithium-based battery depends on a...

The type of lithium-based battery depends on a number of things, one designed for use in a phone will have internal protection against overcharge,over (and under) temperature, over current on...
12th Apr 2021, 17:13
Replies: 14
Views: 8,403
Posted By Feathers McGraw

Li ion batteries do not like being completely...

Li ion batteries do not like being completely discharged, typically those fitted in mobile phones are charged to about 40% capacity so that the gradual drain of a powered off phone does not discharge...
24th Feb 2021, 00:33
Replies: 278
Views: 185,531
Posted By Feathers McGraw

DaveReidUK Right, I see, I didn't realise...

DaveReidUK


Right, I see, I didn't realise that the thrust rating of the PW4000-112 varied so widely, but I now realise that it's the 112 that decides the fan size and blade construction, the...
23rd Feb 2021, 21:21
Replies: 278
Views: 185,531
Posted By Feathers McGraw

WHBM From what I read, this particular...

WHBM

From what I read, this particular PW4000-112 series engine (PW4077?) is the only hollow-bladed version. I don't know about the GE90 engine (except that it has part composite blades in the...
21st Feb 2021, 15:26
Replies: 278
Views: 185,531
Posted By Feathers McGraw

MLHeliwrench The in-flight footage didn't...

MLHeliwrench

The in-flight footage didn't indicate anything in the fan cowl area on the fuselage side.
25th Dec 2020, 13:53
Replies: 288
Views: 122,784
Posted By Feathers McGraw

After 4.5 years surely the people managing these...

After 4.5 years surely the people managing these airlines would have anticipated this and made their plans accordingly? I know that 2020 has had a huge impact on everyone, but the world continues to...
12th Dec 2020, 21:11
Replies: 18
Views: 13,201
Posted By Feathers McGraw

https://forums.flyer.co.uk/viewtopic.php?f=1&t=117...

https://forums.flyer.co.uk/viewtopic.php?f=1&t=117411

https://www.windy.com/EGTC?51.420,-1.082,7

NOTAMs
Click on any NOTAM to mark is as read
Active, expires in a day: AD CLSD...
8th Nov 2020, 13:03
Replies: 34
Views: 16,544
Posted By Feathers McGraw

The stats in the UK say that, of the total number...

The stats in the UK say that, of the total number of deaths with Covid19, only just over 300 (less than 1% of the total) did not have other conditions usually referred to as comorbidities.

This...
8th Nov 2020, 00:11
Replies: 34
Views: 16,544
Posted By Feathers McGraw

They might not. However you might ask yourself...

They might not. However you might ask yourself why diagnoses of seasonal flu have fallen to near zero in many countries with a significant Covid19 toll, and why the relative severity of Covid19 in a...
8th Nov 2020, 00:00
Replies: 34
Views: 16,544
Posted By Feathers McGraw

There are always people that react badly to viral...

There are always people that react badly to viral illnesses, I had something like it in 1983 after glandular fever (mononucleosis).
7th Nov 2020, 21:37
Replies: 34
Views: 16,544
Posted By Feathers McGraw

The thing is, coronaviruses actually don't mutate...

The thing is, coronaviruses actually don't mutate that rapidly, especially not within a species. That means that the human immune system does gain long term immunity quite quickly due to normal...
5th Nov 2020, 14:07
Replies: 32
Views: 22,093
Posted By Feathers McGraw

Good question, if I knew the answer to that sort...

Good question, if I knew the answer to that sort of thing I might have a share portfolio to support me in my old age.
5th Nov 2020, 13:36
Replies: 32
Views: 22,093
Posted By Feathers McGraw

One acceptable reason for leaving your home is to...

One acceptable reason for leaving your home is to go to work if you are unable to work at home. Given the reduction in passenger numbers I don't know how much of a service continues, but the...
15th Oct 2020, 14:54
Replies: 20
Views: 15,492
Posted By Feathers McGraw

Ranger One Thanks for the explanation. You...

Ranger One

Thanks for the explanation. You clearly are better versed in this that I am. Perhaps you would consider adding something to the Wikipedia entry on this aspect of the the Iceland...
9th Oct 2020, 22:31
Replies: 20
Views: 15,492
Posted By Feathers McGraw

the_stranger The ones to worry about are...

the_stranger

The ones to worry about are Katla and Laki, if one of them has a major eruption then all sorts of problems happen. A previous Laki eruption wiped out European crop production for...
27th Sep 2020, 14:21
Replies: 235
Views: 82,181
Posted By Feathers McGraw

I imagine this thread will be moved to the...

I imagine this thread will be moved to the Aviation History and Nostalgia forum.
26th Sep 2020, 18:03
Replies: 2
Views: 4,890
Posted By Feathers McGraw

Further reports in the Daily Telegraph state that...

Further reports in the Daily Telegraph state that one of the survivors has died due to burns but the other is not seriously injured and has concussion but should fully recover. DT article said 22...
Forum: Questions
12th Sep 2020, 21:38
Replies: 37
Views: 22,469
Posted By Feathers McGraw

Recent reports show that antibodies from Covid19...

Recent reports show that antibodies from Covid19 last only a month or two, if the vaccines being tested cannot do much better than this then having been vaccinated will be essentially worthless.
22nd Aug 2020, 14:12
Replies: 60
Views: 32,255
Posted By Feathers McGraw

It was a brake rod breaking that caused the...

It was a brake rod breaking that caused the G-VSKY main u/c hang-up.
Forum: Jet Blast
5th Aug 2020, 13:49
Replies: 130
Views: 15,469
Posted By Feathers McGraw

A boy at the school I was attending in the early...

A boy at the school I was attending in the early 1970s was blinded after a mixture of sugar and ammonium nitrate fertiliser exploded as he was mixing it in his garden shed. Sadly instead of stirring...
5th Aug 2020, 13:22
Replies: 50
Views: 66,468
Posted By Feathers McGraw

Is this effect a consequence of the manner in...

Is this effect a consequence of the manner in which the propeller is powered? If the engine is a two shaft type then unlike with a piston engine failure there is initially nothing to retard the...
22nd Jul 2020, 17:26
Replies: 52
Views: 5,894
Posted By Feathers McGraw

If you read Stanley Hooker's autobiography it...

If you read Stanley Hooker's autobiography it explains that the early Rolls-Royce Merlin engines were built to their own drawing/tolerance standards, but when the Ford factories were engaged to build...
27th Jun 2020, 16:41
Replies: 272
Views: 128,662
Posted By Feathers McGraw

I came back to revisit this thread after nearly...

I came back to revisit this thread after nearly 11 years, I had always wondered if an official report would be released but so far that appears not to have happened.

Aviation Herald updated their...
22nd May 2020, 16:08
Replies: 1,674
Views: 2,753,629
Posted By Feathers McGraw

Thanks, I was wondering, given that there is a...

Thanks, I was wondering, given that there is a photo showing what could be oil smoke from both nacelles which themselves are very dirty around the bottom of the cowling area, if the loss of thrust...
Showing results 1 to 25 of 262
 


 
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