| 摘要 |
FIELD: transport. ^ SUBSTANCE: invention relates to aircraft engineering. Propeller comprises hub with blades fitted on rotary shaft to interact with air, and propeller spinner attached to hub. Every blade is attached to hub at equal acute angle to plane perpendicular to shaft axis. End of every blade and spinner end are jointed by retention element. Blade end has ledge with hole to fasten retention element while spinner end has hole to lay/fasten retention element. Spinner end may turn and be locked relative to spinner main body. ^ EFFECT: increased thrust. ^ 3 cl, 8 dwg |
