I have listed some data from the flight manual dated August 1, 1945 that may be of interest regarding the P-38 "H", "J" and "L" Lightning.
From: http://www.lanpartyworld.com/ww2/files/air-manuals/usaaf/p-38 PDF/P-38 POH.pdf
Wing area - 327.5 sqft
Gross weight (Combat) - 16,000lbs
Wing Loading - 49lbs.
Maximum speed - Over 420mph
Operational Ceiling - 30,000ft
Takeoff and Military Power - 3,000rpm @ 54" - 162gal. per hour
War Emergency - 3,000rpm @ 60" - 180gal. per hour
Fuel capacity 1,076 gal.
Ammunition capacity - Up to 500 rounds for each .50 and up to 150 rounds for each 20mm
From: http://www.lanpartyworld.com/ww2/files/air-manuals/usaaf/p-38 PDF/P-38 POH.pdf
Wing area - 327.5 sqft
Gross weight (Combat) - 16,000lbs
Wing Loading - 49lbs.
Maximum speed - Over 420mph
Operational Ceiling - 30,000ft
Takeoff and Military Power - 3,000rpm @ 54" - 162gal. per hour
War Emergency - 3,000rpm @ 60" - 180gal. per hour
Fuel capacity 1,076 gal.
Ammunition capacity - Up to 500 rounds for each .50 and up to 150 rounds for each 20mm
