Fitting Your Model Plane For Sea Legs

Virtually all model aircraft can be fitted with floats forinto the float sides, cutting here and there to insure a
flying from water sites, or with skis for operationgood fit. Drill holes into the plywood and then cut the
over snow-covered areas. This type of flyingaluminum sheet straps. These are bent around the
presents a refreshing departure from take-offs andbrass tubing. Now, bend the 1/16" music-wire
landings on dry ground and affords a thrilling newcrossbraces; these are inserted into the straps and
experience for the model-airplane enthusiast.the straps are then bolted to the plywood, holding
Water-based aircraft can be divided into threeboth the tubing and crossbraces in place. Cut away
classifications: "flying boats", the fuselage of which ispart of the float to make room for the tubing.
shaped like a ship's hull; "single-float seaplanes", withThis tubing must protrude above the float upper
one main float supporting the fuselage and utilizingsurface. Securely cement the two bulkheads into the
small floats at the wing tips to obtain stability on theinboard float upper surface. Securely cement the two
water; and the most popular of all, "twin floats."bulkheads into the inboard float halves, then apply
All three types can be successfully operated in modelplenty of cement to the remaining outboard float
form; however, in view of the fact that most modelshalves and join under pressure. Do not disturb for at
are built as land planes and are later converted intoleast four hours, preferably overnight. The balsa
seaplanes, we recommend and shall describe "twincross-brace fairing is optional.
floats." This type can be readily installed on any landThese floats are replicas of standard commercial
plane, although some full-scale aircraft are not easilydesigns and will be in good taste on any scale model.
fitted with seaplane gear. We will describe theThey are permanently attached to each other via
installation for the "Aeronca Sedan", "Northropthe two wire cross braces. The forward brace is
Gamma", and "Curtiss Goshawk" only because it isfaired by a sheet balsa streamline as is customary on
known that these full-size craft can be fitted withmost fuel scale floats. The permanent attachment of
floats.these floats aids considerably in installation and
Our floats are patterned along the lines of standardalignment. Distance between floats should be equal to
commercial types and are carved from solid balsaone-half the length of the float.
blocks. The floats are, however, divided along theThe importance of the external finish cannot be
vertical centerline in lieu of the horizontal. Onceoveremphasized. Apply at least six coats of sanding
separated, these can be hollowed; the interior shouldsealer and follow with five coats of fuel proof silver
receive several coats of dope in order to insuredope.
watertightness. Thick coats are recommended.Now you may land your craft on any body of water.
Saw the plywood bulkheads to shape and carefully fitHave fun!