Undercarriage bulkheads

Shape 3 pieces of chipboard to fit as shown. Apply packaging tape to the front side of these. Tack in place with polyester bodyfiller. Once cured remove peel ply and thoroughly roughen the bond area on the fuselage skin. Cut the following fibreglass:
1) 350 wide 410gsm (5 off)
2) 150 wide 500gsm 1200mm long (6off) - one piece on vertical face, one piece on fuselage
3) 100 wide 410gsm 1200mm long (4off)

alternate 1) and 2) and finish with 3)

Peel ply whole area