contra-rotating prop(C2CR)

Category
contra rotation prop
About The Product

Contra-rotating prop Info
Falcon contra-rotating prop(C2CR) is made from carbon fiber material.It includes two parts(front propeller and rear propeller).It’s special designed for F3A champion.With high efficiency and low noise.
Specification
Diameter    Picth
20.5″       20.5F
21″    20F(New item,Hot sale)
22″        16.5F, 18F, 20F, 22F
23″         18F, 20F

20″         22.5R
21″        20R(New item,Hot sale)

22″         18R, 18.3R, 20R, 22R
23″         20R, 22R
Our suggest combination:
1.21×20(Front)             21×20(Rear)

2.22×16.5(Front)           22×18.3(Rear)
3.22×18(Front)      22×20(Rear)
4.22×20(Front)             22×22(Rear)
5.20.5×20.5(Front)         20×22.5(Rear)
6.22×22(Front)             22×22(Rear)
7.22×18(Front)             22×18(Rear)
8.23×18(Front)             23×20(Rear)
9.23×20(Front)             23×22(Rear)