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Description: Bill Dean presents an unexpensive all-sheet novelty for Jetex 50. The Duo-Monoplane.

GLANCING through the pages of a recent American aviation magazine, we came across an interesting article on Duo-Monoplanes - those unusual aircraft that are something like a DeBolt Bipe, minus the tailplane! We had never seen a model based on the Dual-Mono layout, so the decision was made to build a Jetex 50 powered version and see if they really worked.

All-sheet construction was chosen for simplicity and the Jetex unit was shifted along the fuselage until the glide had been perfected. No alterations to the incidence settings were necessary and the model performed just as well as other more conventional designs that we had previously built. We were pleased to find that if the model happened to be climbing vertically when the charge expired, the stall recovery was remarkably good. Building time should not he more than two hours, so you need only set aside a short evening for this 15 in span Jetex model.

Construction. The plans on the adjoining page are given full size, so the patterns may be transferred directly onto the balsa sheet by means of carbon paper. Choose light, strong 1/16 in sheet for the flying surfaces and medium 1/8 in for the fuselage. Taper the leading and trailing edges of the wings (on top) and join the panels at the indicated dihedral angles - pinning the left hand panels fat on the building board and cementing the right ones to them (propping up the latter with books). Notch the fins on to the rear wing and check that they are quite vertical.
Keywords: bill dean duo monoplane jetex 50
Date: 18.02.2021 08:34
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