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#1
12-02-2009
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Tamiya 2WD Mid-motor Conversion
I thought of retiring my DF-03 and DT-02MS after more than a year of using both as my R/C learning machines. Taking the rear-end of a Tamiya DF-03 and the front-end of a DT-02MS and combining them in a narrow 4" chassis made from fluted aluminum door threshold, I am now about to finish my 2WD mid-motor conversion. I am still figuring out how the saddle pack will be secured and would appreciate suggestions. Gearing is 82/26 and will be powered by 13.5T brushless motor. Wheelbase is around 268mm. Here are some photos of my project:
http://i169.photobucket.com/albums/u...r/L1020944.jpg http://i169.photobucket.com/albums/u...r/L1020942.jpg http://i169.photobucket.com/albums/u...r/L1020946.jpg http://i169.photobucket.com/albums/u...r/L1020952.jpg http://i169.photobucket.com/albums/u...r/L1020953.jpg http://i169.photobucket.com/albums/u...r/L1020954.jpg 
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#3
13-02-2009
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I wanted to do that with my 501x. Good job.
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#4
14-02-2009
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EXCELLENT BATTERY LAYOUT!!!!!!! i've been waiting for someone to do this.
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#5
16-02-2009
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Thanks a lot for the encouragement though I am limited to conversion parts from my pile of broken DF-03 and DT-02 parts, I was able to finish last night the wiring. Space is limited for the electronics so I decided to install the reciever below the antenna holder and the ESC high above the motor compartment. Just awaiting for a new front upright then test drive this weekend. Check out these links:
http://i169.photobucket.com/albums/u...r/L1020976.jpg Using velcro cable ties to mount the saddle pack bats http://i169.photobucket.com/albums/u...L1020977-1.jpg Tight fit for the battery and electronics, maybe a narrow body??? http://i169.photobucket.com/albums/u...r/L1020978.jpg The ESC gets better cooling and looks realistic but may not be well protected in case of car turning upside.  http://i169.photobucket.com/albums/u...r/L1020980.jpg
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#6
01-03-2009
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Here is the bottom view of the aluminum chassis
http://i169.photobucket.com/albums/u...r/L1020983.jpg I decided to make Version 2 starting from a good DTR-02 plastic tub chassis: http://i169.photobucket.com/albums/u...L1020986-1.jpg In Version 2, I reconfigured the battery layout into side by side so that it is not too front heavy, moved the ESC behind the steering servo to protect it. http://i169.photobucket.com/albums/u...r/L1020987.jpg The wheel base is 270mm. The layout for electronics are too tight in this configuration but all are the lowest CG. I am still cutting the material for the battery strap. Would much appreciate your comments 
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