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The Centre shaft one way is a unique design that has a the ability to limit the one-way effect and add front braking in the form of a plastic sleeve which is glued to the one way assembly and sits over the alloy one-way sleeve on the front of the carbon prop shaft. 3 O-Rings are then placed on the carbon shaft and these can be slid over onto the plastic sleeve one at a time to provide progressively more friction on the prop shaft, which basically adds some front braking effect, It is described as a subtle adjustment by TTech.

The gearbox tops are sealed with the chassis by running a bead of silicone diff grease all around the mated surfaces, this is a bit of a messy way of doing it but ensures no dirt can enter this way. There is no “interlocking” of the 2 halves of the gear boxes, but there doesn't seem much chance of the tops going on skewed and messing up the mesh, the diff bearings are in the sleeves and the shaft / pinion bearing flange sits inside a groove in both halves of the gearbox.

This is where you get your first real taste of the titanium hex screws on the x10, they look very similar to the Ti screw kit I recently reviewed for the Kyosho ZX-5. They are moulded instead of the more shiny Lunsford machines Ti screws. There is a slight play between the 2mm driver and the screw, make sure you have a decent quality driver and take your time and you will be ok.

The front gearbox is screwed together by 2 Ti screws and a long steel screw, most likely because Ttech couldn't source an appropriate Titanium version.

Screwed together, the was now a definite tight spot when spinning the spur gear, I relaxed all 7 front and rear gearbox screws a quarter turn and the mesh was much better with no tight areas, very free.

The front gearbox top has some holes which appear like they were drilled after the moulding, just like the main chassis has, these don't look overly pleasing to the eye with material proud of the hole they look a little messy.

I already knew my front gearbox top was incorrectly drilled, because the rockers which transfer the suspension movement to the inboard shocks, collided half way though their travel. (Left: middle photo).

I sent the offending part back to TTech for a replacement, and manage to borrow a new gearbox top from a fellow racer and predator expert, Graham North.

This was much better, the front rockers now had a good mm or more gap. The pins that the rockers sit on (top right) were both "finger pressure" all the way in, these holes are very loose, I tightened as much as i dared. (more in the test race about this)

The screws clamping the gearbox together were not so easy to put through this gearbox top, you couldn't attach and screw them in one at a time as they wouldn't then line up and the other screws were impossible to insert. I had to put all 3 screws in with the gearbox top hovering above the chassis, then and only then could I screw them down. The holes just seemed out of line with each other very slightly. Seemed fine when screwed together.


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all images, designs, texts and concepts copyright 2003-2005. All Rights Reserved. Jimmy Storey. rc(at)oople(dot)com.