Transmission Build

One Solid Tranny

The RC10B2 tranny is a very impressive piece of machinery. Associated supplies 12 carbide balls for the main diff. (As an interesting side note, our bag of carbide balls was not properly sealed. As a result, five of these dropped on the floor of our garage, and we spent an hour looking for them. Don't lose even one of these balls, as Associated explitly warns not to mix balls of different sets. They aren't cheap either!) The thrust bearing also consists of six more carbide balls. The diff is fairly stout looking, but is smaller in diameter than my Tamiya diffs. Only time will tell if it will be as reliable.

The idler gear is a metal part, and shouldn't pose any problems. My only concern is that it has a high rotating mass.

The top-shaft gear is a fairly straight forward piece. It is also connected to the slipper, which consists of a felt-like-substance disk enclosed in two plastic halves. A spring provides the ability to adjust the slipper to your like. This is the first slipper I had built, and I had to have someone else adjust it for me. But it will only take you once to learn how yourself.

The entire package is enclosed in a composite gear box. I had purchased the aluminum blue screws, and used several of these lighter screws to complete the tranny. (yellow arrow above)

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