Very good

Very good

Very good

For the price its very good. Nevertheless, I think that the cylinder is not stiff enough, which leads to the propellers blades easily scrap inside the duct. You have have to take care of this lack of rigidity when you install it into a plane overall if you press if when gluing.

For the price it's very good. Nevertheless, I think that the cylinder is not stiff enough, which leads to the propeller's blades easily scrap inside the duct. You have have to take care of this lack of rigidity when you install it into a plane overall if you press if when gluing.

For the price its very good. Nevertheless, I think that the cylinder is not stiff enough, which leads to the propellers blades easily scrap inside the duct. You have have to take care of this lack of rigidity when you install it into a plane overall if you press if when gluing.