Model aeroplanes and their motors, a practical book for beginners by Cavanagh George Anthony 1894-

Author:Cavanagh, George Anthony, 1894-
Language: eng
Format: epub
Tags: Airplanes -- Models
Publisher: New York, Moffat, Yard & Company
Published: 1916-03-25T05:00:00+00:00

MODEL AEROPLANES

Diagram 13

doped with a special varnish and a few coats of white shellac.

The boat is 20" long, 3" in width and shaped as shown. The slip is ^2" deep and is located 7" from the bow. The rear end is brought down steeply to avoid the drag of the water on this point when the boat is leaving the surface of the water. Spruce %4ths of an inch thick is used for the making of the sides, but the cross bracing is of slightly heavier material, there being six braces used throughout. The rear brace is much heavier in order to withstand the pull of the covering and to receive the ends of the wire connections. The outriggers or balancing pontoons are constructed of the same material as that of the boat and are held together by a spruce beam 18" long, y 2 n wide by %e" thick, streamlined. This beam is fastened to the boat by means of three brads to permit changing if necessary. The lower edges of the outriggers should clear the water abo,ut J^" before the steps on the boat leave the water. The boat and outriggers are covered with silk,

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