Show ENGINE BUILT LIKE A WATCH fast modern airplane may readily cost from to and wears out quickly H the engine of j conr motor car weighs from to 1200 pounds or a more it will average from 20 to 30 j horsepower r the lowest says a f writer in colliers the new airplane run less than three pounds per horsepower and the fenest of them two 1 pounds or less airplanes ilive been built with clr cooled engines for short distance fast scouting whose en alnes weigh less than a pound and three quarters per horsepower must bo literally as an old ad t used to say built like ft watch at present a high powered engine of the best type say to horsepower cannot be purchased for much less than and the whole airplane n big one may readily cost to you can read iby see why the construction 0 only airplanes ns in engl ind s pro gram would easily equal for a total expenditure for men and campa and hangars and repairs and wastage more thin half n byllon dollars A fast modern airplane bis an aver 1 age life of only about two or three hundred hours of active sen two months at the outside this means that to lccy airplanes on a battle line you hae to b e able toe build 5 per month or more tho cost would be almost unthinkable that Is why warfare in the air for any length of time would bankrupt tha world and that in turn Is why war 1 fare in the air means the end of all w airfare f |