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"Innovative" doesn't necessarily result in "great"; greatness comes from good detail design preceded by a well-thought out, coherent spec. The P-51 wasn't particularly innovative, but it was very well designed.
The P-39 was innovative, and gets a gentleman's "C." The B-29 was quite innovative, even though its configuration was generally conventional; it was certainly the best heavy bomber to see service in WW2.
Let's check this against the earlier Polikarpov I-16:
-true semi-monocoque structure: check (although wooden)
-retractable undercarriage: check
-landing flaps: check
-enclosed canopy: no
-variable incidence trimmable tailplane:no (although other manufacturers did not see any advantage until the jet age)
-variable pitch propeller: check
-cannon armament: check (earlier and with better cannon than MG-FF)
-leading edge slats: no (again other manufacturers (apart from Lavochkin) did not see any particular advantage)
What the I-16 had earlier than the Bf109:
-Pilot seat armour
-Self-sealing fuel tank
B-29.
B-29 Superfortress changed the game of air power strategy up until this day. B-52 is a direct descendant of the B-29 and is still in service. For a basic heavy bomber concept that has had a 60+ year service life...well...what can you say?
For fighters, I'd say the Me-262. You can see the lines of the F-80/6 and MiG-15 if you squint at the Me-262.
That was what progress inevitably created...
My beef with it was, but sure, the B.29 could carry lots of bombs, or two tallboys, or the nukes, but it's original format was to be a ''very high altitude big bomber'' - it was a long & expensive bitch to get it into service, with it's engine-fires and one thing or another & then when it did get going they discovered the jetstream which blew it & bombs off-course but luckily they had captured the Marianas by then and after Curtis Le May got posted-in to run them, he had all the extra weight & guns taken out, painted them black underneath and basically copied the Brits Bomber Command of going in at night at 15-20,000 ft and dropping heaps of incendiaries and some 250-500 lb-er's on the Japs' wood & paper cities and another 6 months of that, they wouldn't have needed the nukes - But oh no, Truman figured he now had the 'big stick' and he had to let Old Joe know but Joe already knew and the rest is History - After he karked it in 1953 and the following leaders blew-out the bank playing big-bomb-building, there was a chance with Gorbachev to finally end the Cold War & have some real peace & real growth ~
This last 70-odd years of NATO and bullshit little wars that Eisenhower warned us about if you let the Military Industrial Complex run amuck with the politicians, has not advanced mankind at all, we are still caught up with pithy, greedy, vicious people-in-power who can't see past their own collective self-interests, namely money & power, mankind's two greatest addictions ~
God Help Us
AR 232 rather ignores the multitude of American cargo aircraft of not much difference in timing. Not enough to say the US copied the AR 232 in any case.
granted the actual aircraft were a bit below being great (or even good/acceptable) in some cases) but the ideas were there.
Curtiss C-76
Nose would swing to the side for loading.
Budd Conestoga
Fairchild C-82
While it didn't fly until Sept of 1945 the C-74 was rather innovative
including an elevator.
Using aircraft as "tactical" transports to move cargo/men into even "warm zones" on unimproved strips sounds a lot better in theory than in practice.
Transports are expensive and there are never enough of them. Getting them shot up by rifles, lmgs and small mortars is a luxury few nations can afford.
I have to disagree, the design of those aircraft occurred after the Ar 232's first flight (06/41). Those aircraft did not take flight until 1943/44.
Make that some of the Brits, this one will acknowledge that the B29 was the best but the Lanc was second bestI agree with you, but man I do remember some of these debates with the Brits on this forum. Hundreds of pages of the B-29 vs. Lancaster, and what was the best heavy bomber. Good times...
Make that some of the Brits, this one will acknowledge that the B29 was the best but the Lanc was second best
To be honest, the C-76 wasn't really impressive in spite of it's swing-away nose.
The Me323 on the otherhand, weighs in as perhaps the first true heavy-lift, complete with it's front loading capability and 43 ton capacity.