RC10Talk - The Net's Largest Vintage R/C Community

And so in the interest of getting to 30 posts(!), let me see if I can pick a few brains to figure out what I have here. I saw just one ad on ebay for a Rocky - actually it's for a pair of Rockys - and the seller is asking $1089. Is there something quite so special about this model? It looks to me y...

I have a question regarding replacing NiCad battery packs with NiMH on my 80s-vintage Kyosho Rocky. I assume the speed controller and motor were spec'd at the time to be able to dissipate the heat over the runtime of a NiCad battery pack. Since it appears that modern day NiMH can offer runtimes at ...

The other option is to fit a modern brushless motor and speed controller , they run much cooler and typically with modern Lipo batteries you can drive them for over 30 min but you have to remember to be kind the the old school transmition as well , modern brushless motors can be astonishingly powerf...

The motor's heat questions can be partially addressed by gearing. I inexpensively modified 3 items on my Rocky. 1. I cleaned and polished the MSC printed circuit board with McGuire's polish. 2. I replaced the contacts on the MSC wiper arm. 3. I replaced the old broken ceramic resistors with higher w...

The other option is to fit a modern brushless motor and speed controller , they run much cooler and typically with modern Lipo batteries you can drive them for over 30 min but you have to remember to be kind the the old school transmition as well , modern brushless motors can be astonishingly power...

So far my Rocky has held up to brushless power with the Le Mans 19.5 running on driveways and tennis courts with dirt oval tires. The gears are 32 pitch so pretty tough. It's the metal beveled diff gears with the outdrive splines I'm most concerned about. Those seem to be pewter or some other soft m...