Jim - I understand your skepticism based on some of the past dialogues ranging from Dresden to this discussion about "fact, opinions based on fact and 'speculation'
Fact - the Ta 152 was a superb design
Fact - the Ta 152 had just a few more hours of operational experience than the P-80 (which had zero combat missions to my knowledge)
Fact - the Ta 152 had a variety of 'common' early series issues ranging from engines to subsystems - no more than the P-51B or Me 262 - but there was no time to iron them out and apply field modifications.
Fact - there are no substantive facts about engagements that correlate precisely between the combatants.
Opinions based upon facts.
The Ta 152 would have been a handful as an airframe in combat with near equal fighters in the West but apparently had more live experience in the East.
The Ta 152 had the potential to be the best fighter of WWII, including the P-51H and the Me 262 and the Meteor - but the war in the ETO ended before that conclusion could be fact based instead of opinion based.
I am not one of those that 'dismiss' the perspective of the German accounts out of hand.
i would like to add some more facts about Ta152
a)WEP on MW50 28 minutes (not continiusly) WEP on GM1 17 minutes
b)3rd prototype Ta 152 reached 13654m without GM1 ,defective presurized cabin,
c)wing profile produced lift even in high angle of attack. Wide Propeller blades helped climbing and manouverability
d) All pilots reported (inclunding Brown) short take off distance. Useally its indicative of high performance aircrafts (Okay Fieseler Storch had shorter take off distance...)
e)Brown reports 425mph at 35000ft without GM1 and unknown condition of the jumo s 213E supercharger condition
f)The nose extension was bolted directly to engine attachment points of the Fw190A8 fuselage. This was nessecary for production reasons but caused in my opinion weight penalty. Also It had 150kg of armor
g)Pre production examples of a dedicated high altitude fighter with 1750hp faced at low altitude a dedicated low altitude fighter (+13 lb tempest ~3000hp according to some claims) and proved competitive. Now if the score was 1-0 or 1-1 is not important .The same fighter faced russian dedicated low altitudes fighters ,very much lighter , in turning combat and proved competitive
h)Against P80 was inferior but against Meteor I &III i am not sure
Its development was harassed by constant bombing and lack of resources. P80s not .
OPINION BASED ON FACTS
Every single book i have about the final months , every self biography of german pilots, every memory of citizens,speakfor thousands american bombers and fighters flying over every corner of the Reich. Ta 152 should be unique not having met any. But I respect the deep knowledge of mr Erich and i dont insist
Victory claims is something we can speak for months. Air combat is chaotic.
P51H certainly could outrun these early Ta 152s . Outmanouver or outclimb? Who knows...
Its hard to tell that a warrior does not tell the truth intetionally. But if there are undisputed proofs ... . I would be very interesting in byuing a book that his name and the proofs would be presented.