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LEGO models my own creation MOCpages toys shop 16.5 Volt Battery Box Mod With Steering ControlTechnic
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16.5 Volt Battery Box Mod With Steering Control
About this creation
Drastically increases motor speed for use in vehicles.

This will not damage your motor since the 8735 motor is geared and technically has a load on it at all times.

Also, an optional motor can be attached underneath the box for analog steering control.


Although I have succesfully used this mod with my vehicles for over a year now with no problems whatsoever, I am not responsible for damage caused to your unit(s).

Also, DO NOT attempt to overvolt an RCX as it will likely destroy it. This is intented for motors ONLY!!


Check out my other creations!

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   You will need 3 elastic bands, a 9 volt battery connector, a 9 volt battery, 5 AA batteries, a 9 volt battery box.

OPTIONAL STEERING CONTROL: An 8735 motor, the tire pictured, and two half-pegs.

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   The 9 volt battery connector.

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   You can get one from radio shack for a couple bucks or cut one out of an alarm clock that you don't mind resetting when the power goes out. :D

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   Install 4 of 5 batteries as shown.

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   Loop the wires around the terminals as shown. If the motor doesn't turn when you have everything together, switch the wires.

You may want to put some tape around the connections to ensure that the battery doesn't short out.

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   Install the 5th battery as shown.

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   Begin sliding the cover over the battery box, ensuring that the bulk of the wires are stuffed inside.

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   Close the battery box up, leaving about an inch of wire showing.

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   Hold the battery against the box as shown...

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   ... And strap it there with the 3 elastic bands.

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   OPTIONAL STEERING CONTROL: An 8735 motor, the tire pictured, a medium sized pulley, and two half-pegs.

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   Insert the small end of the pegs into the side of the pulley.

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   Assemble the tire.

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   Thread the pegs into the holes in the wheel.

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   Thread the pulley onto the motor's output shaft.

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   Attach the motor under the box as shown.

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   Attach one wire from your battery box to the drive motor of your vehicle, attach the other wire to your steering motor from the steering motor on the battery box.


 I like it 
  August 7, 2006
I tried this modify on my 8735 motor... It work perfectly!! It's Fantastic!!
By Sam Gardiner
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Added April 30, 2006
 You are at the beginning of this folder. 2 Speed Transmission.
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LEGO models my own creation MOCpages toys shop 16.5 Volt Battery Box Mod With Steering ControlTechnic

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