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Based on a 56,000 lb weight & if the TV7 is a 2800 shp engine, (curious, where did that come from if no info is available?), then size, weight & power from the 4 engines compares favorably to an E-2 Hawkeye with its two 5000+ shp Allisons & 53,000 lb weight. The Yak-44 was about 88,000 lbs yet had two 13,000 shp engines, so either way its power - weight ration was way better. I can't imagine the assymetric thrust if the Yak-44 were to lose an engine with that sort of power. Maybe this Beriev using four engines has a number of purposes. Similar total power to the E-2, yet ability to do like P-3s & shut down 2 engines for extended loiter time/range, as well as engine failure performance. Otherwise, why wouldn't Beriev use two existing engines in the 5000 or so shp?

[QUOTE="frank, post: 120955, member: 119"] Based on a 56,000 lb weight & if the TV7 is a 2800 shp engine, (curious, where did that come from if no info is available?), then size, weight & power from the 4 engines compares favorably to an E-2 Hawkeye with its two 5000+ shp Allisons & 53,000 lb weight. The Yak-44 was about 88,000 lbs yet had two 13,000 shp engines, so either way its power - weight ration was way better. I can't imagine the assymetric thrust if the Yak-44 were to lose an engine with that sort of power. Maybe this Beriev using four engines has a number of purposes. Similar total power to the E-2, yet ability to do like P-3s & shut down 2 engines for extended loiter time/range, as well as engine failure performance. Otherwise, why wouldn't Beriev use two existing engines in the 5000 or so shp? [/QUOTE]

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