Main difference between the G-10 and K4 models thus:
K4 had all wooden tailplane
wingspan g models 29ft. 8in.
wingspan k model 29ft. 4in. or (HA-1109-M1L) 29ft. 11 in.
engines:
G Models DB 605A-1 with 1475hp or DB605D rated 1800hp with MW50 boost.
K Model "usually" DB 605ASCM/DCM 1550HP, 2000 hp with MW50 boost
Weights: empty: G: 5,880 lbs. to 6180 lbs.
empty: K4: typically 6,000 lbs.
rate of climb: G: 2700 to 4,000 f/m
K4: 4,823 f/m
speed: G models: 2 to 10 353 to 428 mph
K4 model: 452 mph
K4 Models also incorporated the "Galland Hood"
Source: German, Italian, and Japanese Fighters of World War II. Major fighters and attack aircraft of the Axis Powers.
Author: Bill Gunston