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Aluminum Spinners


All the MPI Aluminum spinners are already cut for 2 blade propellers. The propeller cut outs are for Xoar props, so you may need to make some minor changes to the openings. 3-blade spinner cuts are not available.

At this time, MPI ProSpin spinners are the only spinners which I recommend. They are manufactured from aluminum bar stock which is heat treated, very similar to the process which Tru-Turn uses. The quality is excellent, in my opinion it rivals that of Tru-Turn. Because these are manufactured overseas, they have excellent pricing, typically far less than 50% less expensive than Tru-Turn, and I feel that they are far and away the best choice for an aluminum spinner. All other aluminum spinner manufacturers in China that I know of cast the cones and the backplates to a rough shape, and then machine them to final shape. Casting aluminum in not good! Casting aluminum makes the aluminum porous and brittle. Due to the poor properties of the casting method, cast spinners are much thicker and heavier than those machined from quality bar stock. Cast spinner cones can crack and break easily. Cast backplates can deform easily when tightening the center screw and go out of round or can crack and break. MPI ProSpin spinners are typically 30% lighter than cast spinners. Dave Brown spinners are close in price, but only the backplates are made from barstock. The cones are not. Other spinners which are made from barstock, are very expensive as well. The only real choice is the ProSpin spinner.

Note that the Pete's Models CF spinners are about 1/2 the weight of the MPI aluminum spinners, and the MPI aluminum spinners are 10% lighter than the standard Tru-turn spinners.

How to Install a Propeller


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ESM Hawker Sea Fury 80" Wingspan Red 2-Bladed Painted Aluminum Spinner

ESM Hawker Sea Fury 80" Wingspan Red 2-Bladed Painted Aluminum Spinner


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