2 speed

Old 08-22-2006, 06:36 AM
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Default 2 speed

hi all does anyone know of a 2 speed electric cars or gearbox.
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Old 08-22-2006, 06:40 AM
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I have seen one years ago, was in a yokomo I think.

Quite cool watching it out run gas cars down the straight. Run time was horrendous, but only 1700 nicads too!
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Old 08-22-2006, 06:53 AM
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Default hpi

Originally Posted by shakzool
hi all does anyone know of a 2 speed electric cars or gearbox.
you used to able to buy a 2speed for the hpi rs4 years ago.
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Old 08-22-2006, 07:32 AM
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some one somewhere must be makin them if even only for the weekend basher. if u have any links please post them.or i`ll spend the next few weeks figuring out how i`ll make one.
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Old 08-22-2006, 07:56 AM
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I would try doing a search, this topic must have been covered a hundred times already.
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Old 08-22-2006, 08:23 AM
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Shumacher has one in their 1/8 scale electric.
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Old 08-22-2006, 09:40 AM
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Look around on e-bay. Sometimes someone will sell a two-speed for either the Yokomo or the HPI. Also HPI once made two-speeds for buggies like the RC10. Another two-speed used to be available for mini's but I don't know who made that one.

Only problem with two-speeds is that you can't have any brakes.
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Old 08-22-2006, 09:50 AM
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Originally Posted by KarpetRacer93
Shumacher has one in their 1/8 scale electric.
i believe that one is a 3 speed
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Old 08-23-2006, 05:49 PM
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Default HPI two speed

I have an HPI two speed. I could never get it to shift correctly. An electric motor acts like a continously varible transmission, since it has constant torque unlike an internal combustion engine. So, I learned the hard way why these things are not popular.
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Old 08-24-2006, 05:44 AM
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ahh just like my 2speed nitro a tempremental bastard.
still it would be sweet.
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Old 08-24-2006, 07:04 AM
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Oh I see, you guys are talking about the gearbox, I thought koysho had it. LOL.
Can't remember where I found this pic sometime back, it is the box in gold, like to get 1 too.
Attached Thumbnails 2 speed-2speed_motor.jpg  

Last edited by E.T.; 08-24-2006 at 07:23 AM.
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Old 08-24-2006, 10:25 AM
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I still have one on my AYK Boost right now, and back then, I had one on my PB Mini Mustang.........I remember the time was around 1987, my PB Mini-Mustang, with 2-speed gear box, Checkpoint gold, were racing 12th scale side by side....but of course, with that much of top speed, on a OFF ROAD car, it is impossible to outrun them on corners, but on the straight, that 2-speed is a killer......

Now, I will take a look and see what current touring car can adopt this 2-speed gear box.............
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Old 08-27-2006, 05:02 PM
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I recently saw that gear box on Ebay.
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Old 08-27-2006, 08:40 PM
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Here you go, good luck!

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Old 08-27-2006, 09:05 PM
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I believe the TF3 used to have a 2speed option,
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