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Mr. ED wrote:

highwayracer wrote:

isobarik wrote:Yes kyosho did make plastic knucles and still do.

mvh Isobarik

Oooops...my bad. I meant to say that at the time the optima was out, kyosho didn't offer that part in plastic. They only has the cast aluminum.

phew, glad to hear you're not going dement on us

Yeah, I've been working on too many tamiya cars lately I do have a few yokomos that I've been working on...so my head's back on straight

adam lancia wrote:

Mr. ED wrote: phew, glad to hear

That goes double for me! I thought I had Yokomo parts on my Optima

that would not work : the bearings of yokomo are 11X5 like Tamiya while the kyosho's are 10x5. Because the 11X5 are thicker and equally spaced the kyosho axle can not protrude enough to press-fit the conical hexes.

I was just looking at this yesterday. Aren't the Yoke bearings 5x10 flanged, not 5x11, on the spindles and hubs? I have no idea what the kyosho ones are.

On the yokomo magnesium hubs (on the 870c), they are 5x10 flanged. I just bought some. There's another type of front hub that looks similar to the magnesiun but it's molded in plastic...these use a 5x10 unflanged bearing.

On the newer yokomo hubs (like the ones used on the yr4) they are 5x10 unflanged.

Regards,
highwayracer

highwayracer wrote:On the yokomo magnesium hubs (on the 870c), they are 5x10 flanged. I just bought some. ...

On the newer yokomo hubs (like the ones used on the yr4) they are 5x10 unflanged.

Regards,
highwayracer

I agree on the first point, not on the second: 5X11 for works and YR4

Erik, you are correct sir. The yr4 hub does take a 5x11 unflanged bearing.

I placed a 5x10 bearing over the axle and you can still see the edge of the 5x11 bearing: Damn, 2 mistakes in one thread. That's it....it's time for a major yokomo project.

Regards,
highwayracer