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I dont know the details of lend lease but it is known that at the end of the war FAA Corsairs were pushed into the sea so they didnt have to be paid for, I would imagine that was a major part of British thinking, design build and fly a plane you pay for yourself or borrow one that if its "lost" you dont pay for.
I suspect that ypu have the wrong end of the stick re lend lease. Everything was paid for in the form of cheap loans payable over decades.
May 18th, 1942. D-520 of Vichy French unit GC III/6 downed a Fulmar piloted by Lt. P.R. Hall and A/G Nuttall during Operation 'LB' flying in 17 Spitfires to Malta. A Catalina was also downed by a D-520 from GC II/3 same day.
According to a snippet from google books,Carrier Operations in World War II: The Royal Navy the Fulmars also shot down a D520 during that operation.
By whom it was described as equal, and at what kind of altitudes? Is that D-9, or later, rare models?
By Eric Brown for example, Chuck Yeager who described it as the best piston engined fighter, It is noted in "First in Combat with Dora-9" among others.
Afaik the later Doras were not better climbers than the D-9 in the low and mid alt realm.
Hello Folks! I'm a bit of a lurker here but thought I would chime in with a little different view / my personal observations. First, my background is as a professional pilot with almost 2700 hours in the F-15A-D. Second, the amount of technical knowledge displayed discussed here is impressive! Charts, power, speeds, variants, etc., all thoroughly "battled" and vetted.
To start I would like to speak to charts from a pilots perspective. As both a student in fighter training and later as a operational pilot in a fighter unit a pilot studies the charts of his plane as well as that of his expected adversaries. As it evolved in my case I ended up more memorizing not what another jets numbers were as much as what the differences were between the "other" jet as compared to mine (a fighter pilots aircraft baseline becames part of his / her DNA) . We studied rate radius diagrams, turn performance at a given altitude, fuel burns, etc of our aircraft as well as adversary equipment.
Also realize that charts are a snapshot in time. If the chart shows that an aircraft (at 5k, 75% fuel load, X weapons, Y motor) has an instantanious turn rate of Z, then understand that is a max performance turn and aircraft can not sustain that. Also of note is that a pilot will pass through / over a lot of charts in one fight as they (fights) are usually very dynamic and cover a large speed range.
To note as well is that the charts are usually based on a new plane, with new engines, flown by a test pilot in controlled conditions (not in the middle of a fight). Guys fighting with planes change tactics just like MMA fighters with the end goal being to "win" the engagment.
Now for some axioms of fighter flying:
Speed is life. Fights always go down hill. Lose sight, lose the fight. A kill is a kill.
1. Speed is life: Not in all situations but more often than not having more than your opponet is better than having less. Examples: When two aircraft merge 180 out (head on pass) and commence to fighting the aircraft with more speed has more options, and over time if the fight evolves into what was called a rate fight, the higher energy fighter is favored. In a fight where a bandit shows up at your 6 (at co-speed), and you commence defensive manuervering your aircraft will slow down first, allowing the offender (even if he perfectly mirrors your moves) to gain on you for the simple reason he slowed down later than you and therefor closed or decreased the distance between.
2. The fight always goes down hill: You would think with the power of modern day fighters that this wouldn't be the case (majority of the time) however it's true. Gravity and altitude can be your friend and help you maximize your performance. Fights don't level out until the floor is reached.
3. Lose sight, lose the fight: You can't manuever against or kill what you can't see. If you haven't sat in a WW2 fighter you should, their outward visibility varied greatly (P-38 for instance had two huge motors, two booms, and a large wing to look around along with all the metal "girders" in the canopy itself). The non-bubble canopy fighters were at a definite disadvantage in visually sanitizing the space around their aircraft.
4. A kill is a kill: Whether you bounce (tap is the current terminology) a guy and he ejects, crashes, whatever without you firing a shot it still counts. He was fighting you and his plane crashed, credit is yours. I think a B-25 pilot got credit for a Zero kill when the pilot flew through the "splash" of his bomb that missed the runway and landed in the water.
It is my opinion that an experienced pilot in a lesser performing plane will have better success than a lesser experienced pilot in a better performing plane. When two pilots of equal experience fight (and for the this discussion fights will mean dog fighting or as it's now called BFM - Basic Fighter Manuevers with the gun as the only weapon) the one who makes the least amount or severe mistakes will usually win.
When in any fight, whether fighting for your life when getting mugged, or in air to air combat, methodology is to bring your strengths to bear while exploiting his weakness. You are short, strong and know how to wrestle, he is tall and lanky (has reach on you), then get inside to negate his punches, and get him on the ground so you can get him into a submission hold. You turn and accelerate better, he can fly higher and faster, get him into a slow speed turning fight and stay away from him when it's otherwise.
With the above in mind here is my short synopsis on the core of the thread.
During the war there was a slow but constant improvement in the performance of fighters. Sometimes it resulted in a leap frog event, other times it didn't. Also realize that early war fighters were more point defense fighters (short ranged, very manuervable), and evolved into longer ranged, faster aircraft that in some instances didn't turn as well (that trend has continued almost to this day). The early Spits and 109's as compared to B-D Mustangs and late model 190's and it's variants (smaller lighter gave way to bigger heavier).
Also the ground rules at the start of this discussion might have alleviated some of the "groveling at the floor" that occured. And example might have been to compare the four types during different time frames, or at one certain time (which aircraft do you THINK was best and why). Or it could have been "which one would you have wanted to fly and why".
Using the comparing the types at a certain time mentality, I will nail it down to the last six months of WW2 and only the four types mentioned. I will also take the Hubble Telescope, turn it to face earth and WW2, zoom into these four aircraft types, and then zoom further in to 1 versus 1 (1 v 1) combat. If time allows I will back that out a little bit but will include my qualifiers.
1 v 1 only: Ta-152H (Remember I'm removing all other qualifiers and am assuming that it's me and him only, and that I'm a mercenary or have no allegiance to the combatants).
Pro's: Faster, higher ceiling, good armament (though not optimum for fighter on fighter), better or equal turn performance to Mustang (bit of an assumption here do to lack of actual combat reports and I didn't examine in detail all of Soren's charts), motor management much easier than contemporaries (less distraction to the pilot), flying over safe territory so jumping out left little fear of capture AND I could run myself low on gas and could land anywhere there was room.
Con's: Quality control (some were put together by slaves who had no problem sabatoging equipment), not completely tested or vetted, degraded maintenance (closing days of the war), limited fuel and of lower octane, pilots had less training and lower total time, not trained well for combat
If I were to zoom out one with the telescope and stipulate what would I have wanted to be flying in the last 6 months of the war, and it's not a pristine fight (not a pure 1 v 1) I would change to the P-51D.
Pro's: Better pilot training and in theater indoctrination, more experience before entering combat, better trained pilots, better quality control with equipment (aircraft in particular), armament (would take more "smaller" rounds over less "larger" rounds - this is a discussion all unto itself), better gun sight, tremendous visability and last but not least, way MORE of us than there are of them (when two almost equally talented / equipped groups fight, would definately want to be in the one with a serious numerical advanted)
Con's: Small speed disadvantage (as compared to the Ta-152 / Fw-190D), fighting over someone elses country, longer more tiring sorties (more opportunity to become complacent and therefor killed)
Okay, let the darts be thrown!
Biff