geometric(al) pitch of blade element
геометричний крок елемента лопаті
геометричний крок елемента лопаті
geometric(al) pitch of propeller
Up (Pitch 90 deg) / Down (Pitch -90 deg) Reference
Drzewiecki blade element theory
blade flat; saber flat; sword flat, flat of the blade / sword
blade de-icers / blade heating elements
blade heating elements / blade de-icers
blade tip light / main-rotor blade tip light
main-rotor blade tip light blade tip light
parameter of the geometric characteristics of an airscrew