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Show H GASOLINE IQ -Amc, n K 2-BOATS NOV THE THING. B Many men are exttdi " 7 . , Kline power is used'Pfr11111 wth lce-boats this winter on which BBhe wind i3 apt norce-boats with saila cannot be relied on much, B or sled for getting be aocommot1ating, but a gasoline-driven K, Ter the ice at a fast rate would be a great One typp'of boat, r , , Mft3&flft&N!t.'adc by a man on Lake Placid, N. Y., is de- Ey Popular Mechanics. The double-bladed propeller, made K that of an aeroplane, is 10 feet long. It is driven by a A motor, and though it is a heavy machine it makes good wrpes of motor ice-boats are also being used. The Scientific PKlescribes how to build one which, instead of using a pro-Bto pro-Bto act on the air, has the engine geared by a chain to a toothed HV which presses on the ice and gets a firm hold on it, thus send-HHgrae send-HHgrae craft along at a great rate. H As high as 30 to 60 miles an hour is possible with an ice-boat of HlVthis model, if an engine of from seven to 20 horsepower is used. A K w very BmaU engine will not do much. The same sort of sled can be B ; v&od over the snow on ordinary roads, also, if the ground is not too rough. |