21.5mm round boom block motor mount - for 21.5mm round tubes and bigger motors.
For bigger size motors (36mm diameter) from 19mm to 25mm mount screws distance.
Suggested max. motor thrust - any? ;)

You can buy exactly what you want:
- Motor plate alone - ONE main plate. Usefull if you want to convert standard set to coaxial.

- Full set without blocks - three fiberglass elements, all screws (including motor screws) but NO BLOCKS!
- Full set with 21.5mm boom blocks (including screws, three fiberglass elements).

Full set contain: three fiberglass elements (2.0mm thick), two pairs of boom blocks, four M3x40 screws, eight M3 washers, four M3 selflocking nuts.
Weight: <> 35g full set.
‹ See more boom block / motor mount.