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38mm GM CL F5J Spinner (No Collet)

Product Code: GM-CL-38
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Price: $42.79

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Description

This GM CL Competition Line 38 mm spinner is extremely light and compact, and when used with matching GM CL prop blades facilitate an incredibly streamlined and low drag folding propeller installation. They also come with special rubber bands that ensure that the blades fold strongly against the fuselage sides. The carbon cones have openings cut in to keep these bands nicely in place.

The special yoke (also called hub or centre piece) used in the GM CL Spinner incorporates a design idea that originated with F5B hubs. An additional 10 degrees angle is added to the prop root. By using specially designed flatter (less twisted) propeller blades folding is significantly improved for modern F5J models with very slim fuselages.

The blades are attached to the yokes with polished steel pins which have loose fit inside the yoke and slightly tighter fit inside the blade. To disassemble the set just use a rod or a hex screwdriver with diameter bellow 3mm and push the pins out. When reassembling the set GM advise applying small amount of oil to the bores of the yoke to prevent the pins from sticking. The spinner cone has milled slots to keep the blade folding rubber bands in place. The yokes are completely hidden inside the spinner cone and cannot be interchanged as clearance between yoke and cone is very tight.

GM CL 38mm Spinner Specification
Diameter 38 mm
Prop hinge pin diameter 3 mm
Prop blade root width 8 mm
Weight 12 g

Collet not included - select one to suit your motor or gearbox.

Not suitable for use with any prop blades apart from GM CL blades - other blades will have 10 degrees too much pitch and will not work correctly.

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