Granite BLX motor mount drill template for 13T pinion

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TDA

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Location
Ontario, Canada
Arrma RC's
  1. Granite
I bought the optional 13T pinion to slow down my 5 year old's 4x4 BLX but the motor mount holes were missing. I designed this template and printed it on a transparency. Drill marks were transferred with a center punch and 2.9 mm holes made with a drill press. It worked out so well that just 0.1 mm play in the screw holes takes the backlash from none to too much.

On a related note, I also swapped the radio so I could quickly change the throttle limit. We ran through a 2S pack at 30% throttle with the 15T pinion on lush grass with no harm to the ESC.

We're loving the videos posted here. They definitely confirm I bought the right truck!
 

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  • AR310874-13T.pdf
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Last edited:
Here you go! One screw had to go under the spur gear but I confirmed the clearances. Be sure to print at 100% scale and measure the printout to confirm. Cut it down, carefully align and tape to the motor mount before center punching.
 

Attachments

  • AR310874-18T.pdf
    6.8 KB · Views: 68
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