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The Allison V-1710 aircraft engine designed and produced by the Allison Engine Company was the only US-developed V-12 liquid-cooled engine to see service during World War II. Versions with a turbocharger gave excellent performance at high altitude in the twin-engined Lockheed P-38 Lightning , and turbo-superchargers were fitted to experimental ...
The very first V-1710 was purchased by the U.S. Navy as their GV-1710-2, and appears to have had an Allison serial of number 1, suggesting that they restarted numbering for the V-1710. The first V-1710 engine purchased by the USAAC was AAC 33-42, Allison Serial No. 2, the XV-1710-1, while Serial Nos. 3, 4, 5 were V-1710-4 engines for U.S. Navy ...
The XB-38 was the result of a modification project undertaken by Vega (a subsidiary of Lockheed) on a Boeing B-17 Flying Fortress to fit it with liquid-cooled Allison V-1710-89 V-12 engines. It was to be an improved B-17, and an alternative if the normally fitted air-cooled Wright R-1820 radial engines became scarce. Completing the ...
The resulting V-3420 was essentially a pair of 12-cylinder Allison V-1710 engines mated to a common crankcase with a 30° angle between the inner cylinder banks. The crankshafts of the two V-1710 engines were geared together to drive a common propeller shaft. Most V-3420 parts were interchangeable with those for V-1710-E and -F engines. The V ...
Pages in category "Allison aircraft engines" ... V. Allison V-1710; Allison V-3420 This page was last edited on 24 October 2020, at 14:22 (UTC) ...
The Allison V-1710 was the only liquid-cooled V12 engine designed in the United States that was used on active service during World War II. It was initially used in the P-38 Lightning , but the turbosupercharger system required bulky ductwork and had poor high-altitude performance.
Both the Rolls-Royce/Packard Merlin V-1650 and the Allison V-1710 were in production, with similar power and better Power/Weight Ratios. The V-1710 was 1395 lbs, 385 pounds lighter than I-1430 with a power-to-weight ratio of 1.05. The Merlin V-1650 weighed in at 1640, 25 pounds more than the smaller and unproven Continental with about the same ...
The prototype Hawk was fitted with a turbo-supercharged 1,150 hp (860 kW) Allison V-1710-11 as the XP-37 (company designation Model 75I). The cockpit was moved back towards the tail to make room for the massive turbo-superchargers, and the engine was cooled by two radiators on either side of the nose.