Ki-84 Ko

Description

Ki-84 Ko - All-metal monoplane with an enclosed cockpit and retractable landing gear with a tail wheel. Designed by the design bureau of the Nakajima Hikoki company under the direction of Y. Koyama. First flight made in March 1943.

Upgrades

1. ★Upgrade level 1 Plane cover modification Engine power +4 % · Fuselage drag coefficient −18 % · Stabilizer drag coefficient −7 % Cost in silver: 5,600 (with −20 % discount: 4,480, −40 %: 3,361)
2. ★★Upgrade level 2 Plane structural units modification Engine power +6 % · Wing drag coefficient −13 % · Wing spanwise lift efficiency +10 % Cost in silver: 16,750 (with −20 % discount: 13,400, −40 %: 10,050)
3. ★★★Upgrade level 3 Plane propeller group modification Overall structural strength +2 % · Overall construction strength +5 % Cost in silver: 33,500 (with −20 % discount: 26,800, −40 %: 20,100)