Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 249
246 Model Engineering and smooth. The hull of Elmara is so designed thatit will plane at a speed of fifteen miles per hour. AVhile some experimenting has been done with pro-pellers for use on this boat, the best results have beenobtained with a cast aluminum propeller of 3%6-inchdiameter and a… … BOTTOM^ Fig. 164—How the bow piece is held in place peller shaft or stern tube is made of %-inch brass tubingwith brass bushings soldered in at each end. These bush-ings are drilled for a %6-inch silvered steel shaft. Theskeg is made up from flat and round brass stock andscrewed to the skeg bearer.…
Machinery
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