Falcon contra-rotating prop(C2CR) is made from carbon fiber material.
The color is white.
It includes two parts(front propeller and rear propeller).
It’s special designed for F3A champion.
With high efficiecy and low noise.
Specification
Diameter |
Picth |
20.5" |
20.5F |
21" |
20F |
21" |
20R |
22" |
16.5F ,18F ,20F ,22F |
23" |
18F ,20F |
20" |
22.5R |
22" |
18R ,18.3R ,20R ,22R |
23" |
20R ,22R |
Falcon's 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) |
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