Medium Electric In-Flight Adjustable Propeller IVOPROP Medium Electric In-Flight Adjustable Model For engines around 150 hp or high ratio gear boxes 30″- 90″ pitch range 52″-74″ diameter Electric adjustable pitch for engines around 150 H.P. or high ratio gear boxes carbon graphite fiber/composite 30 day money back guarantee all blades protected by stainless steel leading edges light, strong, efficient, quiet, smooth low drag hub unique pitch adjustment design. beautiful high gloss black gelkote finish easily and quickly converts from 3 blade into 2 blade configuration – giving you a spare bladegood for fast planes has scaled down magnum shapeblades individually replaceable Medium Model Electric In-Flight Adjustable Prop PDF INSTRUCTIONS FOR MEDIUM IN-FLIGHT ADJUSTABLE SYSTEM, WITH 6 BOLT ADAPTER. PDF INSTRUCTIONS FOR MEDIUM IN-FLIGHT ADJUSTABLE SYSTEM, WITH 12 BOLTS ADAPTER. Description2-Blade 3-Blade Retrofit kit 1 Blade Only2 or more bladesRepair per bladeNote: Any heavy damage ad Pounds15.719.26.0 Price $3,410 $3,750 $2,440 $370 $340ea $85 $15