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The folding prop mount Dualsky can be used in combination with most common prop blades of root width 8mm and pins 3mm. The examples: Aeronaut, RF, GM.
The mount 25Z.4 suits for the motor shaft 4mm. The outer dia. of the spinner is 25mm.
The robust beam is of the "Z" design. It allows tight fit of the folded blades to the fuselage sides. Thus, the drag of the model is reduced The form of the cone allows simple dismantling of the beam and collet.
The robust beam is of the "Z" design. It allows tight fit of the folded blades to the fuselage sides. Thus, the drag of the model is reduced The form of the cone allows simple dismantling of the beam and collet.
The surface of the collet has fine thread M8. It can be handled with key 11.
The pitch of pins is 22mm.
The pitch of pins is 22mm.
The accurate holes for the pins have no
threads. The pins are kept in
position in the cutout in the spinner cone.
Behind the collet there is a space for flexible O-ring, which keeps the folded blades tight to the fuselage. The dimensions of the ring are perfect for the task.