Rare Eduard Royal Class -Kit # R0006 -Retired. Even before this second flight, Grumman received an order to put the F6F-3 into production as the Hellcat. The box contains : two complete f6f hellcat. The F6 Hellcat resembled its predecessor in design, with one significant change: a low-wing layout, allowing the landing gear to be retracted into the lower section of the centre wing instead of the fuselage.