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True but if we are working on the basis that there is no war in Europe then its a safe bet that a good number of the RN's more modern boats would have transferred. Also numbers are not everything.Shifting back to ships.
The Japanese had 63 (?) Subs on active service on Dec 7th 1941.
There were about 5 boats at Kure assigned to training/local defense.
Combined fleet 14 boats
RO-33 & RO-34
1935-37, 700 tons, new torpedoes.
I-53 thru I-60 and I-62 and I-64 thru I-66
1927-32, 1575-1635 tons
3rd fleet had 4 boats assigned to blockade/transport
I-121 thru I-124
1927-28, 1142 tons, mine layers.
4th fleet had 9 boats assigned to the Japanese Mandate Islands RO-60 thru RO-68,
1923-27 boats of about 990 tons. old torpedoes.
5th Fleet had 26 boats.
I-1 thru I-6
1926-35, 1900-2080tons, two with float planes.
I-15 thru I-26
1940-41, 2184-2190 tons some with single floatplane.
I-68 thru I-75
1934-38, 1400-1420 tons
In Dec 1941 the Japanese had a further 29 boats under construction, to complete in 1942-43 and another 38 approved but not yet started.
The US had 111 boats in commission with 73 under construction but only 51 in the Pacific. 29 at Manila (6 S boats) and 22 at Pearl Harbor (6 S boats)
The Dutch had 12 boats of different ages.
The RN had 0.
True but if we are working on the basis that there is no war in Europe then its a safe bet that a good number of the RN's more modern boats would have transferred. Also numbers are not everything.
I53 to I66 were all assigned to training by 1942, the larger boats were at a significant disadvantage being large and slow to submerge. The others would have faced quite well equipped and trained excorts whereas the RN boats would have faced little effective defences and quite probably have a field day with a convoy
RN subs completed by 31 Dec 1941, with OTL building:True but if we are working on the basis that there is no war in Europe then its a safe bet that a good number of the RN's more modern boats would have transferred. Also numbers are not everything.
I53 to I66 were all assigned to training by 1942, the larger boats were at a significant disadvantage being large and slow to submerge. The others would have faced quite well equipped and trained excorts whereas the RN boats would have faced little effective defences and quite probably have a field day with a convoy
Singapore fell to the Japanese in February 1942. Very soon after, the closest naval bases to Japan still under the possession by the Royal Navy would have been located in India, Ceylon and Australia (if I'm correct). Even if RN subs could reach Japan at that distance, they wouldn't have been able to spend much time on patrol.Singapore to Sasebo on Kyushu is about 3,100 nautical miles. These subs had a range of 8,000 miles or more at 10 knots on the surface (max speed was higher) and significantly more at 8 knots. So the journey takes about 13 days each way at 10 knots. And they would probably not be going all the way to Kyushu (see para 2). The 3 River / Thames class were fast but at an economical speed had a range of 14,000 miles. Once on patrol fuel consumption could be reduced further. The T class were designed around a 42 day patrol period. So they have at least a week probably nearer double that on station.
Singapore fell to the Japanese in February 1942. Very soon after, the closest naval bases to Japan still under the possession by the Royal Navy would have been located in India, Ceylon and Australia (if I'm correct). Even if RN subs could reach Japan at that distance, they wouldn't have been able to spend much time on patrol.
Actually I provided a list of facts, and received an editorial, including how good the Wellington strikes were in 1942.The only real correction you made here was that the Wellington units which were so successful in the Med were not South African, you are right about that. Regardless, they were used successfully, at night, to strike among other things ports and merchant shipping.
Lots of reasons why, the different climate and the greater distances. Rain forests tend to have lots of rain clouds, deserts tend to have the opposite.There is no reason they couldn't have done the same in the Pacific.
Apart from once again providing opinion instead of weather references the South Pacific is the blue bits to the east of the Solomons and New Zealand, the proposed battlefield is around the South China Sea, lots more land, forests and different weather systems. The British are unlikely to start a drive north from the Solomons for a while.Weather was often very bad in the South Pacific but the clouds were and are not as consistent at higher altitudes the way they definitely are in Northern Europe.
Of course, only you are allowed to assume what will be good or bad.There is no reason to assume Spitfire float planes would have been any good.
There is a reason why I normally ignore your messages, confining myself to reading replies to them, you propose Wellington bombers with as little as 500 pounds of bombs will do lots of damage to Japanese installations etc., but the 4 engined types which would be carrying maybe 10 times the weight of bombs "I'm not sure what good the larger four engine bombers would have been against Japan". So why are all those airfields housing those high impact Wellingtons unable to take 4 engined types, or is it only the Wellington has the range to reach the proposed targets? Your assumptions become facts, while facts that do not fit become assumptions.I'm not sure what good the larger four engine bombers would have been against Japan, at least until bases were captured close enough to the mainland.
Right, 14 squadrons by end of war with all that experience, the RAF had 545 Beauforts built in Britain by end 1941. The RAAF Catalina squadrons, 11 sqn in March 1941, 20 sqn in August 1941, 43 sqn in May 43, 42 sqn in June 1944. The RAAF received 18 Catalina February to October 1941, another 12 March to July 1942, it meant as of mid October 1942 the RAF had 17 PBY "Strength includes 3 from United States Navy, only one of which can be regarded as an operational aircraft." Early 1943 saw more deliveries so by end of April 1943 strength was up to 35 including the 3 USN ones. The RAAF Chiefs of Staff reports are full of detailed information. With increasing allied airpower and known Japanese losses the Catalinas could move from defensive patrols to offensive actions exploiting their range. A Britain versus Japan war has a long hanging flank into the Pacific, from Canada to the Gilbert Islands to the Solomons and New Guinea, with various neutral zones depending on the French and US attitudes. Then if the Dutch are at peace another big gap. Even without US involvement the trade routes through the Panama canal will be active and need protecting.The "Black Cat" PBYs I referred to were used mainly to strike military targets. But in a 'what-if' scenario that could just as easily have been merchant shipping. There were 14 "Black Cat" PBY squadrons active in the Pacific starting in the Solomons in 1941 with VP-12. The Australians also eventually had four squadrons operating in the same role from April 1943.
The British and the Japanese need some sort of reason to go to war. In real History the Japanese went to war to secure access to raw materials. The British may have been pissed about what Japan was doing to China but in 1938-39 they weren't doing much about it and they were rather busy watching Adolf. Even if the British had been the one to start the embargo thing and left the US out and assume that Adolf had stoke at the 1936 Olympics after seeing a non Aryan win a gold medal the Rest of the Nazi party devolved into infighting and civil wat taking them out of it, the Dutch were always going to be in the war. They were sitting on much of the resources the Japanese wanted. They also knew that the Japanese were less likly to observe treaties than the Germans were, the Japanese dropped out of treaties/agreements rather than give lip service to them.. Then if the Dutch are at peace another big gap. Even without US involvement the trade routes through the Panama canal will be active and need protecting.
And that gives at least one reason for the poor performance of the commonwealth troops in Malaya and Burma in 1941/42. low amount of training time and not full equipment.For what it is worth Malaya was largely used as advanced training for the Indian army, new drafts were being shipped in and then out to help expand the army strength in the Middle East
Actually I provided a list of facts, and received an editorial, including how good the Wellington strikes were in 1942.
Lots of reasons why, the different climate and the greater distances. Rain forests tend to have lots of rain clouds, deserts tend to have the opposite.
Apart from once again providing opinion instead of weather references the South Pacific is the blue bits to the east of the Solomons and New Zealand, the proposed battlefield is around the South China Sea, lots more land, forests and different weather systems. The British are unlikely to start a drive north from the Solomons for a while.
Of course, only you are allowed to assume what will be good or bad.
There is a reason why I normally ignore your messages, confining myself to reading replies to them, you propose Wellington bombers with as little as 500 pounds of bombs will do lots of damage to Japanese installations etc., but the 4 engined types which would be carrying maybe 10 times the weight of bombs "I'm not sure what good the larger four engine bombers would have been against Japan". So why are all those airfields housing those high impact Wellingtons unable to take 4 engined types, or is it only the Wellington has the range to reach the proposed targets? Your assumptions become facts, while facts that do not fit become assumptions.
By end 1941 there were 168 Stirling, 168 Halifax, 18 Lancaster and 199 Manchester built, a peace time RAF is not going to expand anything like it did in 1940 and 1941, nor take the losses, the belief in the heavy bomber would be strong, to keep within peace time budgets the obvious thing is to wind down the twin engined bomber production as the 4 engined types appear. There is little doubt production would be lower across the board as would losses but not of the new 4 engined types in 1940/41 as they were largely filling pre war orders.
Right, 14 squadrons by end of war with all that experience, the RAF had 545 Beauforts built in Britain by end 1941. The RAAF Catalina squadrons, 11 sqn in March 1941, 20 sqn in August 1941, 43 sqn in May 43, 42 sqn in June 1944. The RAAF received 18 Catalina February to October 1941, another 12 March to July 1942, it meant as of mid October 1942 the RAF had 17 PBY "Strength includes 3 from United States Navy, only one of which can be regarded as an operational aircraft." Early 1943 saw more deliveries so by end of April 1943 strength was up to 35 including the 3 USN ones. The RAAF Chiefs of Staff reports are full of detailed information. With increasing allied airpower and known Japanese losses the Catalinas could move from defensive patrols to offensive actions exploiting their range. A Britain versus Japan war has a long hanging flank into the Pacific, from Canada to the Gilbert Islands to the Solomons and New Guinea, with various neutral zones depending on the French and US attitudes. Then if the Dutch are at peace another big gap. Even without US involvement the trade routes through the Panama canal will be active and need protecting.
RAAF 11 squadron was in Port Moresby, pulled back to Cairns, Queensland November 1942, then to Rathmines New South Wales in July 1944. 20 squadron was also in Port Moresby, back to Bowen in May then Cairns in November 1942, went to Darwin in September 1944, 42 squadron was formed in Darwin, 43 squadron formed at Bowen, stayed on the Australian east coast until to Darwin in April 1944. Cairns is over 500 miles south of Port Moresby, Bowen over 700 miles, made it hard to undertake offensive sorties. What was possible in 1944/45 is different to what was possible in 1942.
Assuming there is some sort of warning, the RAF should have been able to deploy about 4 squadrons of Stirling, 4 of Halifax and say 10 of Beaufort end 1941, assuming the airfields existed. For what it is worth Malaya was largely used as advanced training for the Indian army, new drafts were being shipped in and then out to help expand the army strength in the Middle East.
Again I don't thiink that you have quite grasped some of the distances involved nor the weather between Australia & targets in the DEI.But a lot of Japanese most important assets, such as oil in DEI, were pretty close to Australia
Again I don't thiink that you have quite grasped some of the distances involved nor the weather between Australia & targets in the DEI.
View attachment 734832
The airfields in the Northern Territory of Australia were mostly created in 1942 along the main supply route from Adelaide - The Stuart Highway. Railway track south from Darwin didn't go far in the grand scheme of things (about 300 miles to Larrimah). The railway from Adelaide in South Australia ran out at Alice Springs leaving a gap of over 600 miles that could only be covered by road transport, or a voyage by sea around Western Australia. On the map below airfields at Darwin, Batchelor, Adelaide River, Pine Creek, Katherine & Tindall immediately come to mind. These were built in case the Japanese invaded but some were never used while little use of others was made.
View attachment 734833
Darwin to Balikpapan ( on the east coast of the island of Borneo) is over 1,200 miles and involved flying over Japanese bases in Timor & Celebes. Look at the problems that the first raid by B-24s of the 5th AF encountered in Aug 1943. See the Shady Lady raid info.
The (Complete) Last Log of 'Shady Lady'
From Aborigines to Zeros, navigator John Nash ’39 logged an unforgettable World…www.bates.edu
Other refineries are even further away.
Airfields in the northern part of Western Australia were few and far between. The two of the main ones were at Exmouth Gulf, (which appears at the extreme western point of Australia just before the coast turns north east in the top map, and referred to as "Potshot" in WW2 reports, and today as RAAF Learmonth) and Corunna Downs some 360 miles due east (an RAAF Liberator squadron was based in that God forsaken patch of near desert in 1944/45). Exmouth Gulf to Soerabaya on Java, the location of another refinery, is over 1,000 miles. Soerabaya is nearly 1,300 miles from Darwin and 1,100 from Corunna Downs.
In the South China Sea, and the DEI more generally, the main weather effects are the North-east Monsoon blowing between Nov & March annually (this helped shelter Japanese invasion fleets while limiting RAF aerial recce in Dec 1941), and the South-west Monsoon which blows from May to Sept annually. They bring huge cumulo nimbus cloud formations which build virtually every afternoon, often rising to heights well above the operating altitudes of WW2 era aircraft, with accompanying lightning stroms and torrential rains.
Well the USN based the 7th Fleet subs at Fremantle in Western Australian along with the Dutch boats, and the RN subs joined them there from Sept 1944. From there they refuelled at Exmouth Gulf before heading for the Malay Barrier. In Dec 1941 the defences of Darwin were incomplete and as we have discussed before on other threads, the size of the town and facilities were wholly inadequate to support very much at all. And so it remained until well into 1945.It read to me like he was talking about submarine ops, not aerial.
Well the USN based the 7th Fleet subs at Fremantle in Western Australian along with the Dutch boats, and the RN subs joined them there from Sept 1944. From there they refuelled at Exmouth Gulf before heading for the Malay Barrier. In Dec 1941 the defences of Darwin were incomplete and as we have discussed before on other threads, the size of the town and facilities were wholly inadequate to support very much at all. And so it remained until well into 1945.
Well historically it wasn't despite the opportunity being there. Darwin wasn't exactly a safe haven until the end of 1943. Attempts to develop it would see an escalation of Japanese attempts to knock it out.It would certainly strike me as worth developing if Singapore cannot be held.
Well historically it wasn't despite the opportunity being there. Darwin wasn't exactly a safe haven until the end of 1943. Attempts to develop it would see an escalation of Japanese attempts to knock it out.