CH-640 Fuselage Cabin floor sub-assembly (7 of 18)




Position longers to cabin floor skin. The front part of the longerons will be bolted to the engine mount fittings.  Therefore you want to make sure that you end up with 565mm center to center of the longerons.  To do this measure 19mm in from left and right at the front and 48mm in left and right at the rear.  Line the longerons up on these marks.  The rear of the longerons at the edge of the skin should be 1035mm apart.
Position longers to cabin floor skin. The front part of the longerons will be bolted to the engine mount fittings. Therefore you want to make sure that you end up with 565mm center to center of the longerons. To do this measure 19mm in from left and right at the front and 48mm in left and right at the rear. Line the longerons up on these marks. The rear of the longerons at the edge of the skin should be 1035mm apart.