Traxxas Nitro Brake

Posted on | July 1, 2009 | Comments Off

Traxxas Nitro Brake

NITRO RC CAR HELP PLEASE!!!!!?

my nitro rc car (traxxas jato 3.3) runs fine the only problem is when i turn it on it moves forward. and keeps moving forward at a high speed even when I hit the brakes at full. I tried tightening and loosining the idle screw but that did no goood please please help I have a race in a couple of days and need to be able to come to a full stop and stay stopped even though my finger isnt on the break !!!

Ok sounds like it could be one of two issues. Either your low speed needle (LSN) is set to lean, and needs to be turned anti-clockwise to richen it up a little, do this in 1/8th turns with the engine running and warm - and you will probably need to re-adjust your idle screw after you have completed this adjustment..
Or more likely, your throttle arm is not adjusted correctly (the arm that connects servo to carb). This is usually adjusted with two stop nubs (one at the front of the servo horn and a spring and stop nub on the other side of the servo horn). The stop nubs will probably have a grub screws (usually 1.5mm hex). Undo the grub screws, turn on your radio gear and make sure everything is neutral including the trim. pull back the throttle arm to close the throttle fully. Push the stop nubs to allow a 1mm gap between the servo horn and re-tighten. You may need to adjust the idle again when the engine is running, especially if you have wound it right down, you may even find the engine wont start until you adjust it. Feel free to check out my website for more info.
Hope this helps. Regards

How to break in a Nitro RC engine Part 6: Traxxas Method

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