Raptor Swashplate
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Fitting an aftermarket metal swashplate to the Raptor

These are some pictures of the components and parts used to fit an aftermarket metal swashplate to my Raptor 30. I found that the mast, elevator A-frames and aileron links needed to be extended by 4-5 mm in order to allow the same full range of movement as with the TT plastic original swashplate. This necessitated the purchase of the TT aluminium elevator arm assembly and a number of other bits and pieces.

This picture shows the 4mm difference in swash base to ball link plane that started it all. The metal swashplate is 4mm higher because it uses a much bigger bearing to better handle the loads imposed on it. As such, it shouldn't suffer the premature wear of the original. The Quick UK swashplate is a superb piece of engineering, and shows just how 'pretty' a CNC machined piece of hardware can be. Add the modifications shown here, and I don't think you'll be disappointed! :-

I wanted as rigid a finished product as possible, so bought two sets of these Zeal adjustable rods, one for A-frame links and one for aileron links. The Zeal parts have a taper between the centre section and the threaded part. By countersinking the A-frames and Rocket-City ball links I was able to get far greater rigidity than by just relying on a piece of threaded rod:-

This shows the standard elevator assembly with moulded arms whose length cannot be extended. Below it is the TT aluminium upgrade assembly together with the supplied threaded rod and ball link and the Zeal rod and a Rocket-City link:-

More detailed view of the replacement elevator link:-

Assembled arm plus Zeal rod plus Rocket-City link plus second set of Zeal rods used for extended aileron links:-

Three different masts. Top to bottom are original TT mast, Quick UK S/S mast and finally the 5mm longer mast made of silver steel. The metal for this cost just 2.50 GBP from R S Components (but you have to buy four in a pack, so I've got enough for 3 more if I somehow manage to bend the one I made). Machining is limited to drilling two 3 mm holes and cutting the location groove for the mast collar.

If you don't have access to a lathe, you could just assemble the collar to the shaft in-situ and tighten the grub screws. This would leave small marks on the shaft. Then remove the shaft and use a flat edge of a small triangular file to make small flats at each of the marks:-

Silver Steel

In response to a request as to the makeup of silver-steel, I scanned this from the RS Components catalogue. I trust they won't mind as I'm advertising their products (prices exclude VAT at 17.5% in the UK).

Hope this has been of some assistance!

 

This page was last updated on September 06, 2006

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Revised: September 06, 2006