The Me 262 and P-80 were two of the aircraft modeled for computer flight simulation using their actual factory data and I certainly would be interested to see what flight tests gave the 262 the edge. The 262 did have the advantage of dual engines but they are much under powered, especially relative to the P-80. Here are some comparative specs for the two:
Me 262
Engines: 2 x Jumo-004B engines with 1,980 lb S.T. (900 kg) each.
Weights - empty: 8,380 lb (3,800 kg) Operational: 14,110 lb (6,400 kg) Maximum: 15,720 lbs (7,130 kg)
Maximum speed - typical: 503 mph (810 kph) @ sea level, 519 mph (835 kph) @ 19,685 feet (6000 m)
Maximum speed - best: 515 mph (825 kph) @ sea level, 540 mph (870 kph) @ 19,680 (using -4A engines)
Cruise Speed: unknown
Initial climb: 3937 fpm (1200 m/min)
Sustained Climb: 6.8 mins to 19,685 ft (6000 m)
Service ceiling: 37,565 ft (11,450 m)
Range: 650 miles (1,050 km) on internal fuel
Gunsight: Revi 16b reflector sight
Armament: 2 x 30mm MK108 cannon with 100 rpg, 2 x 30mm MK108 cannon with 80 rpg, all nose mounted
P-80A
Engine: One General Electric J33-GE-11 or Allison J33-A-9 with 3,850 lb S.T. (1,746 kg)
Weights - empty: 7920 lbs. Operational: 11,700 pounds Maximum: 14,000 lbs
Maximum Speed - typical: 558 mph (898 kph) @ Sea Level, 577 mph @ 6000 feet (1828 m), 492 mph (792 kph) @ 40,000 ft (12,192 km)
Maximum Speed - best: 624 mph (929 kph) @ unknown alt (probably with -17 4000 lbs S.T. engine, Sept. 1946)
Cruise Speed: 410 mph (660 km/h)
Initial climb: 4580 fpm
Sustained Climb: 5.5 minutes to 20,000 ft (6,096 m)
Service Ceiling: 45,000 ft (1,3716 m)
Range - Normal: 780 miles (1,255 km) Maximum: 1,440 miles (2,317 km)
{note: wingtip tanks actually improved performance!}
Gunsight K-14 lead computing gunsight
Armament: 6 x .50 caliber M2 machine guns with 200-225 rpg , 10 x 5" HVAR's or 2000 lbs bombs.
To me, the performance figures clearly show the superiority of the P-80. Moreover, the Star was a very nimble aircraft with a light stick and rolled much faster than the 262. I did have the privilege of flying a T-33 (basically a two seat P-80F) a few times and while not up to modern jet standards, it was indeed a sweet flying aircraft. I don't know but I think the Stars, especially with Allied training and numbers, would have swept the skies pretty quickly if the Mark IVs left any Swallows to deal with.
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