DHK79 165 IN BIG BIRD TWIN BEACH 18, originally modeld by DOUG (dhK79 ) KANE, thanks again Doug for allowing me to convert your G4.0 model into G3.5 for all of us who may never be able to up grade to G4.0. I flue in Twin Beach 18, in 1976, I,ve tried to keep it real. I up sized to 165 In, added engine fire on ch 6, added brakes on left an right, ch 8 three way switch. Center position is take off position.