10周年のSPコンテンツ!
8
The Other Chris @TotherChris
[Thread] A brief history of a modern 155mm gun development for the Royal Navy: The 155 TMF. pic.twitter.com/GQOXn65hCR
拡大
The Other Chris @TotherChris
In 2004 details emerged of a low risk plan to develop a naval 155mm gun system, which was intended to offer a significant enhancement to the range and lethality of RN Naval Fires, ultimately across a spectrum of Surface and Land targets.
The Other Chris @TotherChris
This would be known as as the 155mm Third Generation Maritime Fire Support, or 155 TMF for short.
The Other Chris @TotherChris
At the time, the Royal Navy was operating the 4.5" Mk.8 across the Type 22, Type 23 and Type 42 fleets. pic.twitter.com/6cxeQq1vNi
拡大
拡大
拡大
The Other Chris @TotherChris
The Type 45 was still in development with both the Mk.8 and the (pre-BAE buyout) United Defense Mk.4545 Mod 4 127 mm/54-cal as the main considerations for Naval Fires armament. pic.twitter.com/B3XSiepGQV
拡大
The Other Chris @TotherChris
155 TMF was to be offered as an alternative to both the Mk.8 4.5" and the Mk.45 5" either as a direct replacement or as a later update to a fitted Mk.8 with other vessels in the fleet refit to a common 155mm system.
The Other Chris @TotherChris
155 TMF combined the 155mm gun system used in the Army's AS90 SPG with the RN's existing Mk.8 Mod 1 4.5" gun mounting. The longer Braveheart program 155mm/52-cal barrel would be used. Ordnance would be adapted, automated rammer adjusted and environmental modifications made. pic.twitter.com/9pIo4UsGFs
拡大
The Other Chris @TotherChris
Standard ordnance adapted for automated naval use was to be used initially, however rocket assisted and guided munitions were planned for. What we recognise now as Excalibur and Vulcano would be used alongside conventional unguided munitions to engage surface and land targets. pic.twitter.com/8EnasFPLmo
拡大
拡大
The Other Chris @TotherChris
Work would continue as part of the active Future Surface Combatant program, which would deliver Type 26 and eventually de facto deliver the Type 31 as well as the River Batch 2's. pic.twitter.com/Xz6ckGGOgX
拡大
The Other Chris @TotherChris
In 2008, work was underway on the prototype with land firing planned the following year. FSC was now GCS. Delivery to the Fleet, likely starting with Type 45 due to GCS delays, was planned for 2014. pic.twitter.com/pBkW9EfdGw
拡大
The Other Chris @TotherChris
The 155 TMF program was cancelled in 2010 as part of the SDSR 2010. The Financial Crisis, a lack of funds in the Treasury and the constant drain of UOR after UOR plastering over poor procurement decisions to prop up Operations in Iraq and Afghanistan had taken its toll. pic.twitter.com/W66pBgyHUj
拡大
The Other Chris @TotherChris
In 2012, BAE proposed a very similar concept to the US Navy in order to bring 155mm Naval Fires to the wider DDG-51 fleet rather than just the DDG-1000 fleet. Called AGS-Lite (AGS-L) this was not the same system as the 155 TMF instead sporting a reduced AGS gun on a Mk.45 mount. pic.twitter.com/UZUCmvmQsc
拡大
The Other Chris @TotherChris
Epilogue: Since the cancellation of 155 TMF there has been a shift in RN thinking on Naval Fires with a move to 57mm as the main gun for Type 31. If 155 TMF was driven with an "Enduring need for Naval gun capability identified" what is the future of Naval Fires in the RN? pic.twitter.com/1cnB0PaQFg
拡大

眠れる森のパンダ @Panda_51
結局、英海軍向けの155TMFはキャンセルされて、BAEではAGSを軽量化したAGS-Lを開発してます…という締めになってますけど、そういえばこっちも最近音沙汰ないような
眠れる森のパンダ @Panda_51
ちなみに現用の55口径114mm単装砲の開発の際には、陸軍式の155mm砲や、アボット自走砲を元にした105mm艦砲、アメリカ製の54口径127mm砲も俎上に載せられていたのだそうで ja.wikipedia.org/wiki/4.5%E3%82…
眠れる森のパンダ @Panda_51
で、アメリカ製の砲は倍以上と高価であったこと、また155mm砲はあまりに大きいうえにこの時点では実用化されていなかったことから棄却されて、結局、アボット自走砲の10榴を元に4.45インチ(113 mm)口径に拡張することになって、4.5インチ艦砲Mk.8が完成したと

コメント

コメントがまだありません。感想を最初に伝えてみませんか?

ログインして広告を非表示にする
ログインして広告を非表示にする