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Search: Posts Made By: Not_a_boffin
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Forum: Military Aviation
9th Feb 2024, 11:35
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

You need to understand that "volume in the hull"...

You need to understand that "volume in the hull" is not the same as displacement volume, which what you've quoted (and btw the Hunter will end up displacing a lot more than 8800te....). There's also...
Forum: Military Aviation
9th Feb 2024, 09:19
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

I wouldn't bet on that..... For avoidance of...

I wouldn't bet on that.....

For avoidance of doubt, that doesn't mean the Hobart/F100 options would be better either.

Thrashing about because they've found that just modding Hunter to fit CEFAR...
Forum: Military Aviation
8th Feb 2024, 20:53
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

It's still thrashing about because they went down...

It's still thrashing about because they went down a route they thought was low risk and are learning a hard lesson.

Of course BAES will offer this or that, as will Navantia or Babcock for that...
Forum: Military Aviation
8th Feb 2024, 11:46
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

The technical term is thrashing about. Trying to...

The technical term is thrashing about. Trying to add area AAW capability to the baseline ship has not and will not end well.
Forum: Military Aviation
8th Feb 2024, 10:20
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

I hope (UK) HMG are not. Disaster waiting to...

I hope (UK) HMG are not. Disaster waiting to happen.
Forum: Military Aviation
22nd Mar 2023, 09:52
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

It's a mix of different life-enders. Overall, you...

It's a mix of different life-enders. Overall, you have an expected in-service life of the boat (which is usually exceeded). Within that life you tend to have separate drivers for different elements...
Forum: Military Aviation
16th Mar 2023, 09:42
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

They are really struggling with the U-boats.

They are really struggling with the U-boats.
Forum: Military Aviation
11th Mar 2023, 13:52
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Had you understood the context of that book,...

Had you understood the context of that book, you'd also realise it was a different construct and a vastly different periodicity.

The single worst thing you can do is lose your design capability....
Forum: Military Aviation
11th Mar 2023, 07:24
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Long production runs over many years do not...

Long production runs over many years do not preserve design teams - in fact quite the opposite, because they're not conducting design activities. Design activities are not properly exercised by...
Forum: Military Aviation
10th Mar 2023, 21:39
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Has it occurred to you that a twenty to thirty...

Has it occurred to you that a twenty to thirty year production run is a very bad thing? From a design team sustenance and supply chain obsolescence perspective?

As for Barrow - you don't commute...
Forum: Military Aviation
17th Feb 2023, 21:18
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Organisation is vastly more than crews and...

Organisation is vastly more than crews and dockyard. A decade is an optimistic assessment.
Forum: Military Aviation
17th Feb 2023, 18:03
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Oh it's not nostalgia - just pointing out that...

Oh it's not nostalgia - just pointing out that the number of SSN in a class is not necessarily the number in the fleet.

The two A-boats to the Ockers rumour is someone drawing the wrong...
Forum: Military Aviation
17th Feb 2023, 13:16
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Not how it works. There were actually six...

Not how it works. There were actually six Swiftsures - not to mention the six earlier boats. The number of boats in a class is not equal to the total number of SSN required. In the early 90s we had...
Forum: Military Aviation
20th Sep 2022, 14:26
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Not sure who's doing the mooting, but I'd treat...

Not sure who's doing the mooting, but I'd treat that with a great deal of circumspection.
Forum: Military Aviation
20th Sep 2022, 08:53
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Of course it is. There's money there. However,...

Of course it is. There's money there. However, the ability to access that money will actually depend on whether they can staff it - and staff it with competent people. Knowing a couple of the Chief...
Forum: Military Aviation
19th Sep 2022, 09:40
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

There's a whole raft of different factors going...

There's a whole raft of different factors going on here.

Firstly, there's the need to have a viable design. That design could be off-the-shelf, or it could be from scratch. Both have pro's and...
Forum: Military Aviation
26th Jul 2022, 07:47
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Spent enough time on Invincible and Lusty to be...

Spent enough time on Invincible and Lusty to be perfectly familiar with their propulsion thanks.
...
Forum: Military Aviation
25th Jul 2022, 14:04
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

I don't think there's an actual proposal to base...

I don't think there's an actual proposal to base a couple in Perth. That's far more likely to be a case of people adding 2+2 and getting 5.

However - it's not so long ago that visits of...
Forum: Military Aviation
24th Jul 2022, 15:08
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Possibly the worst option. Wrong end of the...

Possibly the worst option. Wrong end of the bathtub curve, lots of supportability issues. Taking revenge for the Ashes a bit far......
Forum: Military Aviation
11th Feb 2022, 08:26
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

I'd always take everything Luke Pollard says with...

I'd always take everything Luke Pollard says with a bucket of salt. Aside from anything else, the first of our boats going through the recycling process are in Rosyth.

Both Rosyth and Devonport...
Forum: Military Aviation
10th Feb 2022, 08:54
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Steel doesn't get appreciably lighter. What you...

Steel doesn't get appreciably lighter. What you end up doing is using higher strength steel which allows you to reduce thickness and hence weight of structure. However, that's only if the fracture...
Forum: Military Aviation
5th Jan 2022, 09:30
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

What the article actually suggests is that its...

What the article actually suggests is that its not necessarily the complexity that's the issue - it's the availability of skilled labour. That's in the design and fabrication elements as well as...
Forum: Military Aviation
11th Nov 2021, 16:25
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

A spectacular misunderstanding/misrepresentation...

A spectacular misunderstanding/misrepresentation of the actual state of affairs.



Infantry extensively supported by the UK - including with BotG.
Forum: Military Aviation
21st Oct 2021, 15:08
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Not quite - and wait, who's that helping the...

Not quite - and wait, who's that helping the Brazilians? Zut alors, quelle dommage etc...

PROSUB Milestone: Brazilian Navy Approves Basic Design of SN-BR Submarine - Naval News...
Forum: Military Aviation
12th Oct 2021, 08:22
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Nope. Boat 7 was contracted because we need at...

Nope. Boat 7 was contracted because we need at least seven.

I'd be very surprised if Astute (and its PWR2) form the basis of what is to come.
Forum: Military Aviation
24th Sep 2021, 08:22
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

None. They hadn't even got to the stage of...

None. They hadn't even got to the stage of approved design.
Forum: Military Aviation
17th Sep 2021, 16:36
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Probably. They are at least learning that you...

Probably. They are at least learning that you need to keep design teams constituted and functioning, otherwise we get a repeat of Astute (and T26 and potentially Dreadnought). In the context of a...
Forum: Military Aviation
17th Sep 2021, 11:16
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

I wouldn't read too much into that. While the...

I wouldn't read too much into that. While the pumpjet was first applied operationally to an S-boat in the RN, the people who designed it are long-retired and it was built by a company called VSEL....
Forum: Military Aviation
17th Sep 2021, 11:08
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Although defuelling at EoL tends to require the...

Although defuelling at EoL tends to require the same infrastructure as that for refuelling. I don't think they'll get an infrastructure saving here, but probably a reduction in scope of mid-life...
Forum: Military Aviation
16th Sep 2021, 10:08
Replies: 1,596
Views: 355,410
Posted By Not_a_boffin

Our industrial base struggles to deliver our own...

Our industrial base struggles to deliver our own boats - let alone anyone else's. While welcome in strategic terms, this is going to pose a real risk to UK capabilities - primarily in manpower terms....
Showing results 1 to 30 of 30


 
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