HHU: half hub carbon E-Props V20 range

The two parts of the E-Props hubs V20 range are identical.
Ultra-light ultra-resistant part 100% carbon + epoxy resin.

Weights :
- half hub HHU-2 (2-blade propeller): 170 g
- half hub HHU-3 (3-blade propeller): 170 g
- half hub HHU-4 (4-blade propeller): 205 g
- half hub HHU-5 (5-blade propeller): 205 g

Choose the hub corresponding to the desired number of blades.
Half hub delivered finished, without screws and bolts.
The screw kit for E-Props V20 series propellers is available in the 'Screws' menu.