u瞳秤 "Fan blade"
Austin Healey: BN1 and BN2 (1953-56)
5 blade competition plastic type
? ultra light
? perfectly balanced
? efficient aerodynamics
? quieter than the six blade steel fan
旗紋u瞳
Fan blade
6 blade metal type
袁固蕷
u瞳桑催 321123