3 blade versus 4 blade prop
18 Mar

3 blade versus 4 blade prop

3 blade vs 2 blade prop
29 Nov

3 blade vs 2 blade prop

3 blade vs 4 blade prop
26 Jun

3 blade vs 4 blade prop

3 blade vs 4 blade props
12 Oct

3 blade vs 4 blade props

3 prop vs 4 prop
09 Apr

3 prop vs 4 prop