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...the R3350 engines on our Lockheed EC-121 "Warning Star" airborne radar station were "turbo-compound" where three power-recovery turbines (PRT) "collected" exhaust energy and coupled it directly back to the main crankshaft.
...good for an additional 150 hp from 3,000 hp engine...and really helped reduce their fuel consumption numbers at cruise.
Last edited by gone-ot; 10-02-2010 at 04:06 PM..
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