14 The Anatomy of the Propellera «TANTO OFT LER Fh os Sep Tip Parmer 5 7 Detemin he Changin Fel S92: TypCanecton oa 14.46 Blade Element Theory eo pee 5 = : 5 Vi 67 14.1 INTRODUCTION A propeller is device tat converts chanical energy into force, which we cal sand bused To propa the vehice fo which tis attached, The propeller Features one oF more Mtg suraces called propeller Mie" at are rotated rapaly using an engine, The ‘trust i the aerodynamict lit force prnducel by the blades and i Hetil to the fre’ produced by 3 ‘wing, Propellers are by fr the most commen mee Of generating ht for General Aviation aca (Ud CHE Part 23) Among Light Sport Arerat (ISA) ies pestle ony means Several pe of comme Son. And e numberof military aia doo x wel pr marily wainers and. several" mullengine miliary tansport aia. I aipanes, propellers at usally