Recent content by Geoffrey Sinclair

The early B-24 type production and allocation had all sorts of changes including the prototype having a serial change. As it turned out the 6 YB-24 from December 1940 became LB-30A, then came the 20 B-24A March to May 1941, which became the LB-30B, then the 1 B-24 in June and the 9 B-24A in...

The RAF had metal frames as standard and a number of designs with metal coverings, the big late 1930's change over was stressed skin. When it comes to big airframes most of the 1930's designs were half weights or less of the 4 engine types under development and trivial compared to the B-29...

Note the date of the report 5 April 1940, it was a US Presidential election year, recall the outcry when a person serving in the French military was killed in a DB-7 crash in 1939, lots of US neutrality declarations, lots of new war suspicion about handing information out, lots of US...

The P-47 production and deliveries.

While it is obvious the 20th Air Force had more logistical obstacles to overcome compared to Bomber Command, including longer range to targets, the US Aircraft industry was bigger, had plenty of enemy free areas to use with better average weather, operating in a less stressed economy. A common...

There are quite a few books on Operation Bodenplatte, probably starting with chapter III of Werner Gerbig's Six Months to Oblivion, published in 1973, he gives the list of airfields attacked as, where 1 is successful 2 is moderately successful, 3 not or intermittently attacked, 4 attacked by...

RAF Figures, The ranges of fighters are shown as ranges at maximum economic cruising power on the fuel available, after deducting fuel used in 15 minutes at maximum power at sea level. This allowance is for warming up and climbing to operational height. Under this definition the ranges are...

RAF figures, Hurricane production began in December 1937, Merlin III fitted in production from April 1939, two pitch propeller from June 1939, constant speed propellers from end February 1940, the mark II was to have been the Spitfire change over to constant speed propellers. Hurricane I, 97...

Day of Infamy by Walter Lord mainly using the Congressional investigation figures says present at start of raid, USAAF, 93 fighters, 25 bombers, 11 observation, 129 total USN, 15 fighters, 61 patrol planes, 26 scout planes, 45 miscellaneous, 147 total 276 USAAF+USN total, but then quotes a...

To add some timings to the Brewster Buffalo production. Firstly the USN says F2A/B339D for Netherlands East Indies, F2A-1 for USN and Finland (B339), F2A-2 for Belgium (B339), RAF (B339E) and USN, F2A-3 USN F2A-1, USN July to December 1939, Finland probably December 1939 to February 1940...

The following is a mixture of Rolls Royce and Ministry of Aircraft figures, they measured production slightly differently, and can have slightly different totals, Merlin XII, RR 1,102 Sep-39 to Sep-41 (but only 5 to end March 1940, peak 165 in January 1941 and only 9 Jul to Sep 41), MAP 1,104...

There does not seem any point in a detailed reply. The reply From message 27, Then comes The thing about a public remote mental state diagnosis is the small amount of evidence they are based on, resulting in the substitution of local ideas and world outlook to fill in the many blanks, saying...

Meteor tank engine deliveries September 1942 to September 1944, table 27, from the September 1944 Ministry of Aircraft Production Statistical Bulletin, the table is also in October 1944 report, after that they drop the reporting. September to December 1942, 10, 35, 30, 66 1943 per month, 87...

And no notice taken of when targets of this size were attacked by Bomber Command and how many of them were classified as easy to find, like ports and that Leuna was the biggest of the oil plants So where was the nearby reasonably large, well defined shore line, lake or sea? So what was the...

Where are the copies located? I think you will find X = USSR. USAAF Chronology: WEDNESDAY, 1 JULY 1942, EUROPEAN THEATER OF OPERATIONS (ETO) (8th Air Force): The first B-17, assigned to the 97th Bombardment Group (Heavy) of the BOLERO air movement via the N Atlantic route lands at Prestwick...