Engine

pt6a-20-engine-for-seawind-kit-153

N71RJ engine is the PT6A-20

Super Seawind Engine Mount Mocup

My Engine Mounted.

2011 Engine1

I chose the PT6A-20 for its safety of operation and its very high power to weight ratio – 3.2 times the standard IO-540 which produces 300 HP and weight 500+ LBS for a ration of 0.60 V. PT6’s 550/287 = 1.9.  Additionally, this Pratt & Whitney engine has the best safety record in aviation history with millions of hours of fault-free operation across commercial, military and general aviation globally. With a 5 blade propeller and a max 2200 V. 2700 RPM, N71RJ is also appreciably quieter than the IO-540 series.

 

 

Notice engine RPM range in NP, top right gauge.

Notice engine RPM range in NP, top right gauge.

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