Search found 5585 matches

by donald_of_tokyo
25 Feb 2017, 02:09
Forum: Royal Navy
Topic: Tide Class Tankers (MARS) (RFA)
Replies: 752
Views: 286235
Japan

Re: MARS (tide class) RFA vessels

Waves are 18 knots. High enough to support TF. Tides are 26.8 knots, has a lot of margin for TF, and can also follow CV (and escort) themselves even they do dash. (Note a TF as a whole do not dash so frequently, to my understanding). USN's AO does not reach 30t (the speed of their CVN and escorts), ...
by donald_of_tokyo
25 Feb 2017, 01:58
Forum: Royal Navy
Topic: Type 23 Frigate (Duke Class) (RN) [News Only]
Replies: 1013
Views: 435291
Japan

Re: Type 23 Frigate (Duke Class) (RN) [News Only]

westminster_camm.jpg HMS Westminster's CAMM silo. From http://www.royalnavy.mod.uk/news-and-latest-activity/news/2017/february/23/170223-hms-westminsters-return Clearly, 32-cell it is. I am not sure missiles are loaded (maybe not), and looking forward to see the outlook of the silo will change (lik...
by donald_of_tokyo
21 Feb 2017, 20:06
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Why BREXIT needs increases fishery protection? I mean, how are the modern fishery protection tasks formed? Iceland has comparable EEZ to UK. Coast guard is made of 3 OPVs. Is that a big problem for them? Faroe islands's EEZ is also large. They have only small Patrol Vessel. In both nations, fishery ...
by donald_of_tokyo
21 Feb 2017, 06:18
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Spinflight wrote:Khareef class?
They built three for Oman.

see 00:43
Very different one.
by donald_of_tokyo
19 Feb 2017, 07:16
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Avenger: stretched River B2 OPV. - Width is 13.5m. With small re-design, it can be extended up to ~30 cm (See, MEKO200T Yavuz, Leander Batch3). (If extention for more than 1m, it is already Cutlass, I assume.) - Length is said to be 112m, with 22m of extention. - This gives a ship with 112m x 13.8 m...
by donald_of_tokyo
18 Feb 2017, 13:33
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

A single drone by its self is no better than the current manned offerings. The distributed lethality concept only becomes advantageous with many nodes in the network, which dictates the need for a big host platform, with enough systems to provide the range, persistence, and resilience required to m...
by donald_of_tokyo
16 Feb 2017, 16:25
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Assuming a budget of £2.4 billion (latest guesstimates in the public domain suggest ca. £800 million per T26), the options are, 8 T26 plus: 1) 3 x T26 2) 5 x high spec T31 (assumed cost ca. £450-500 million, inclusive of development costs) 3) 8 x low spec T31 (assumed cost of ca. £300 million) If t...
by donald_of_tokyo
15 Feb 2017, 17:02
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

About Type 31, trouble is, you can't have 5 of them ( or maybe more ) if you don't go with Cutlass. At least with the amount of money that the HMG is willing to spend. So, Cutlass: 1 x 127 mm- cca. 20 mil. USD 10 x NSM- cca. 40 mil. USD 30 x CAMM- cca. 30 mil. USD ( again, does anyone know's the pr...
by donald_of_tokyo
15 Feb 2017, 16:27
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

The reason why I'm saying that the UK should have TLAMs integrated in their Type 45 is just because if you integrate them in 6 allready expencive Type 45 then you won't have to do it in Type 26, so those ships will be cheaper. As should be, because frigates should be cheaper than destroyers, becaus...
by donald_of_tokyo
15 Feb 2017, 16:03
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

just a shame we're probably going to end up with Both ASTER and MK41 and having to support 3 VLS systems when you add in CAMM Uhmm. T23 for CAMM is using modified SeaWolf silo. I think T26 will use dedicated CAMM silo. I think T31s plans are all basing themselves on ExLS. So, Silver, Mk.41, SeaWolf...
by donald_of_tokyo
13 Feb 2017, 15:40
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

(TLAM) Was "nice to have" but things (even "events") have interfered with precision strike at distance: - carrier strike only from abt 2023 - number of SSNs available to fire Tomahawks through torp tubes ( can only be replenished at port, and not just in any old port) As the T45...
by donald_of_tokyo
13 Feb 2017, 15:31
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

- UK-New built frigates/destroyers for export. 2 Lekiu-class light frigate 2300t FL, launched at Yarrow Shipbuilders of Glasgow on 1994-95. 4 Niteroi class frigates, launched at Vosper Thornycroft on 1974-77. 1 T42 DD, launched at Barrow-in-Furness on 1976. 1 Leander class frigate for RNZN HMNZS Can...
by donald_of_tokyo
13 Feb 2017, 02:01
Forum: General Discussion
Topic: Rest in peace RN :-(
Replies: 142
Views: 6494
Japan

Re: Rest in peace RN :-(

Sorry for getting in (in view of T31 issue). Let's take this last situation in Yemen as example. So the Houthies are launching missiles on foreign ships. So, let's imagine that current RN surface fleet consisting of Type 23 and Type 45 is there. And that the missiles launched are on them, not on USS...
by donald_of_tokyo
13 Feb 2017, 01:38
Forum: General Discussion
Topic: Rest in peace RN :-(
Replies: 142
Views: 6494
Japan

Re: Rest in peace RN :-(

Canadian Navy is getting Block II Harpoon. Just for reference. Meh, that's outdated junk for the RN, who needs that? RN will get supersonic missiles just about 2030-2040. A small missile gap can't harm anybody, right? :lol: My answer is simple. - I do not think Harpoon B2/2+ is "outdated junk&...
by donald_of_tokyo
12 Feb 2017, 15:39
Forum: Royal Navy
Topic: Current & Future Amphibious Capability - General Discussion
Replies: 6142
Views: 1863710
Japan

Re: Current & Future Amphibious Capability - General Discussion

Question: Does the UK still need the ability to land Challenger II tanks via LCUs? I personally don't think so, and that would mean that smaller LCMs could be used. Therefore, as part of a RFA focused Amphibious group perhaps 3 enlarged Canterbury ships (perhaps 4 LCUs and hangar space for 3-4 Merl...
by donald_of_tokyo
12 Feb 2017, 15:17
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Looking over that: 1x 127mm MK45 Mod4 16x Mk41 8x CAMM silos (Possibly quad silos? Picture is unclear.) 8x ASMs 1x Phalanx CIWS 2x 30mm DS30 Plus: - Artisan 3D - Towed Sonar space - Well deck area - Helo facilities Venator just got its first real competitor on the high end. That looks delicious . A...
by donald_of_tokyo
10 Feb 2017, 15:08
Forum: UK Defence & Aerospace Industry
Topic: National Shipbuilding Strategy
Replies: 225
Views: 16236
Japan

Re: National Shipbuilding Strategy

I also read (with Westminster news) that, the first 3 T23s getting CAMM, are - Argyll - Montrose - Westminster see http://www.navyrecognition.com/index.php/news/defence-news/2017/january-2017-navy-naval-forces-defense-industry-technology-maritime-security-global-news/4847-royal-navy-type-23-frigate-...
by donald_of_tokyo
09 Feb 2017, 14:39
Forum: Royal Navy
Topic: Tide Class Tankers (MARS) (RFA)
Replies: 752
Views: 286235
Japan

Re: MARS (tide class) RFA vessels

Hi Donald do you know where Tidespring is stopping for a visit? Do not know. The youtube guy "binmei jp" assumes she is going for Yokosuka (written in the Japanese comment attached to his youtube https://www.youtube.com/watch?v=S-DdGhvLW5A). . If Tidespring reaches Yokosuka, and some blog...
by donald_of_tokyo
09 Feb 2017, 14:34
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

A question: What's the number of flight crew ( pilots and helicopter maintenance crew ) of a single Merlin/Wildcat when deployed on some average frigate/destroyer? Uhhm. RNZN flight of SH2G is made of "10 flight personnel". (https://en.wikipedia.org/wiki/Protector-class_offshore_patrol_ve...
by donald_of_tokyo
09 Feb 2017, 14:16
Forum: Royal Navy
Topic: Tide Class Tankers (MARS) (RFA)
Replies: 752
Views: 286235
Japan

Re: MARS (tide class) RFA vessels

Impressive looks... though I still wonder if the double funnel was the only way to go within the given size envelope? - the size of the hangar was the "cost" of that decision What is wrong with the hangar size? If you make it larger, you need to enlarge the bridge structure to handle the ...
by donald_of_tokyo
08 Feb 2017, 00:09
Forum: Royal Navy
Topic: Type 45 Destroyer (Daring Class) (RN) [News Only]
Replies: 1995
Views: 566152
Japan

Re: Type 45 Destroyer (Daring Class) (RN) [News Only]

marktigger wrote:and how much effect will a platform have on others if its pumping out noise in ranges of the others passive sensors?
Depends. If T45 noise is larger than those from CVF, Bay, SSS, Tides and Waves, it will matter. If not, no problem, as Shark Bait-san has suggested.
by donald_of_tokyo
07 Feb 2017, 16:14
Forum: Royal Navy
Topic: Type 45 Destroyer (Daring Class) (RN) [News Only]
Replies: 1995
Views: 566152
Japan

Re: Type 45 Destroyer (Daring Class) (RN) [News Only]

By the way, T45 being noisy (so that can be detected by enemy subs from far away) does not directly mean it cannot do ASW search. Even if the reported noise is real, if it is not noisy at around 7 kHz , it do not affect the EDO MFS-7000 sonar capability, which works around 7 kHz frequency range. (se...
by donald_of_tokyo
06 Feb 2017, 13:12
Forum: Royal Navy
Topic: Type 45 Destroyer (Daring Class) (RN) [News Only]
Replies: 1995
Views: 566152
Japan

Re: Type 45 Destroyer (Daring Class) (RN) [News Only]

Interesting info. Maybe it is the inter-cooler system generating lots of vibration? I do not think it is screw (RN has lots of experience on screw). Guess not electric motor (RN has lots of experience on motor), but it is the largest motor ever carried, so may remain as a candidate. The GT itself ma...
by donald_of_tokyo
06 Feb 2017, 10:44
Forum: Joint Service
Topic: F-35B Lightning (RAF & RN)
Replies: 6097
Views: 1757883
Japan

Re: F-35B Lightning II (RN & RAF)

ArmChairCivvy wrote:For Japan, is the assembly already happening in-country?
/
Yes, it does.
by donald_of_tokyo
03 Feb 2017, 16:46
Forum: Royal Navy
Topic: Current & Future Escorts - General Discussion
Replies: 19390
Views: 9720166
Japan

Re: Current & Future Escorts - General Discussion

Since we have the confirmation of desire to design and build an exportable T31(e) yesterday, seemingly being the primary driving force shaping it's specifications, can anyone answer the following: 1) which countries are the likely export targets (I'm not asking what will be the successful export ma...