In the field of aircrafts, in order to improve the flight efficiency and prolong the endurance time of the aircraft, the invention discloses a paddle which is connected with a fixed seat, the attack angle of the paddle is 20.4+/-1 degrees at a position which is 30%L+/-3mm away from the fixed center of the fixed seat, and the chord length of the paddle is 106.5+/-3mm; at the position 50%L+/-3 mm away from the fixed center, the attack angle of the paddle is 14.98+/-1 degrees, and the chord length of the paddle is 91.5+/-3 mm; at the position 70%L+/-3 mm away from the fixed center, the attack angle of the paddle is 10.85+/-1 degrees, and the chord length of the paddle 75+/-3 mm; at the position 95%L+/-3 mm away from the fixed center, the attack angle of the paddle is 7.87+/-1 degrees, and thechord length of the paddle is 50.9+/-3 mm; and the radius of the paddle is L. By applying the paddle, the flight efficiency can be effectively improved, and the endurance time of the aircraft is prolonged. The invention further provides a propeller and an aircraft.
本发明在飞行器领域,为提高飞行效率,增加飞行器续航时间,公开了一种桨叶,与固定座连接,在距离固定座的固定中心30%L±3mm处,桨叶的迎角为20.4°±1°,桨叶的弦长为106.5mm±3mm;在距离固定中心50%L±3mm处,桨叶的迎角为14.98°±1°,桨叶的弦长为91.5mm±3mm;在距离固定中心70%L±3mm处,桨叶的迎角为10.85°±1°,桨叶的弦长为75mm±3mm;在距离固定中心95%L±3mm处,桨叶的迎角为7.87°±1°,桨叶的弦长为50.9mm±3mm;桨叶的半径为L;应用上述桨叶,能够有效提高飞行效率,增加飞行器续航时间;本发明还提供一种螺旋桨以及飞行器。
Paddle, propeller and aircraft
一种桨叶、螺旋桨及飞行器
2021-01-22
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |