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The slipper might look fairly familiar to some people since it is almost identical to that of the rc10B4, indeed the included spur gear is from the B4, though at 84 teeth it is larger than the kit standard B4 item (81t).
All the parts look excellent quality, the slipper plates being a nice satin off-silver colour.  The friction pads are identical to those on the rc10B4 in size, the material appears to be different however with possibly less friction to them and are white.
Both slipper plates are located by pins through the layshaft and a spring and nut clamp the assembly together, like I previously mentioned for the diffs, the spring provides a wider range and finer tune of the slipper.
I guess you could try the yellow B4 pads if you wanted to attempt to change the slipper behaviour but these pads seem to have a more progressive feel and therefore better.

With the spur and slipper all together on the layshaft, we go to the opposite side of the layshaft and install the centre one way.  The one way consists of the pulley with one way bearing inside which will only rotate one way on the lay shaft, so under power the bearing is locked up and the pulley is driven, off power the pulley spins freely on the shaft and the front wheels just roll providing more turn-in.

The one way unit is much wider than just the pulley and actually contains 2 one way bearings for extra strength.

This one way unit is clamped between 2 flexible (not metal) washers on the layshaft, and using a nut and conical washers the clamping force can be varied so various amounts of front braking can be dialled in.  This is similar in effect to the systems found on the X10 and XX4, but with this system you can go all the way from free running to full time 4wd in one turn of the nut and anywhere in between.  Because of the conical washers only a very very small turn of the nut is needed to make any changes.

The front bulkhead is next and is assembled from 3 chunks of blue machined alloy.  The hinge pin block has a kick up of 10 degrees which is the same angle as the steering posts. It is heavily machined to reduce weight and for the belt and diff to sit lower. 


The two lower sides of the front gearbox are bolted on with 2 screws each; the result is an almost seamless hunk of gorgeous blue anodised alloy.

The assembled  front gearbox / hinge pin unit sits very snugly over the previously installed steering post brace and bolts onto the chassis with 4 screws, everything seems very well made on this car I have to say, the tolerances are spot on with no slop what so ever.


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