May 1, 201313 yr I would like to upgrade the Caravan to the Supervan (900shp) engine. Do I only change the shp to 900 (or pro rata equivilant), or will there be other work as well? Regards Johan
May 2, 201313 yr Author The First Upgrades I believe were the Blackhawks with a 850 shp engine and a four bladed prop. Texas Turbines upgrade the Caravan with a 900 shp engine and a four bladed prop. Cessna now offers the Caravan EX with a Pratt & Whitney Canada PT6A-140 867 SHP turboprop with a three bladed prop. Now the visual model do not even have to be changed, unless the bigger engine compartment is noticeable. Regards Johan
May 2, 201313 yr Depending on the size of the change you may need to change the propeller characteristics to avoid it over speeding at full throttle. Gerry Howard
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