I love the design, and implication of them. Enjoy, and Guys, and Gals, Have a good weekend, Mike. Last edited: Aug 10, Thanks again, Mike! Regards, Bob. You must log in or register to reply here. Users who are viewing this thread. Total: 1 members: 0, guests: 1. Similar threads. WTB R magneto and carb. Replies 0 Views Dec 21, partsgone. Replies 11 Views Dec 28, tomo pauk. Jumo Jet Engine. MIflyer Nov 20, Access more than 1, technical publications that guide aircraft engine and APU maintenance and repair to support your operations.
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And much more…. Follow these steps to access technical publications for all operators. The results were worth the trouble as it was a case of designing an engine component that could only be made by a new method. In addition to the new head design, the Double Wasp had a very efficient baffling system to direct the flow of cooling air that was considered even better than the excellent arrangements on the Ranger inline air-cooled engines.
In , when the R was introduced, no other air-cooled engine came close to this figure, and even liquid-cooled ones barely matched it. It went to 2, hp 1, kW in and to 2, hp 1, kW late in the war, but that was all for production models. Experimental models, as always, were coaxed into giving more power, one fan-cooled subtype producing 2, hp 2, kW , and considerably more up to 3, hp 2, kW on dynamometers.
Technicians at the Republic Aircraft Corporation ran the engine at extreme boost pressures at 3, hp 2, kW for hours without any failure using common octane avgas, but in general, the R was a rather fully developed powerplant right from the beginning. Post-war its reliability commended its use for long-range patrol planes and for the Douglas DC-6 , Martin , and Convair transports. This last application is noteworthy, since these were twin-engine craft of size, passenger capacity, and high wing loading comparable with the DC-4 and the first Lockheed Constellations.
Two engines were all right for transports as with the Douglas DC-3's moderate wing loading, and the high wing loading of the Douglas DC-4 was safe enough when there were four engines, but all that weight with only two engines seemed like tempting fate. However, the Convair engineers knew what they were doing. Those at Martin, and those who tested the Martin for government approval didn't—the Martin's wings failed from fatigue after a while.
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