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Old 11-11-2004, 08:46 PM   #1
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Angry Need serious help NOW!!!!!

I just finished building my first car. I turn the car on and nothing happens...cool. As soon as I turn the transmitter on, the tires turn left, and the car goes full throttle forward???? What's wrong?

I have absolutely no ideal how to fix it, can someone help? I have the JR XS3 Pro and using the reciever that came with it.

PLEASE SOMEONE HELP.......
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Old 11-11-2004, 08:49 PM   #2
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sounds like you need to set the trim on your radio properly..

open up the manuals!
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Old 11-11-2004, 08:54 PM   #3
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The manual is open but I don't know what's wrong, and it doesn't have a "if this happens, do this..." section. I'll adjust the trim and see what happens.
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Old 11-11-2004, 08:55 PM   #4
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Ok... first off..... turn the RADIO on first. Then the car. Now, you need to make sure the trims are zeroed on the radio. Before you turn it on. (check manual) Remove the servo horn once everything is centered and put it back on to get it close to straight. Do all this without the motor hooked up.

Now, I am not sure what speedo you have but read the instructions to set it to your radio. Usually you have to hold a button down to set it to your radio. Adjust your trims on the radio from there to get everything fine tuned.

Once the red light is on for Neutral, and the Green light is on for full throttle, then hook up the motor.

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Old 11-11-2004, 09:04 PM   #5
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Default JEFF, YOU Are partly the MAN!!!

that worked for the throttle, car stopped moving on it's own. I tried adjusting the trim, but nothing happened. This is my first car, first time doing any of this, so please don't blast me just yet.

The only thing left is the tires turn all the way to the right when I turn it one, radio then car. the Trim does nothing to the wheels. If I turn the control, it moves them but when I let it go, they go back.

I'm not sure of what you were talking about with the servo, can you please elaborate?
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Old 11-11-2004, 09:10 PM   #6
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Take the servo arm off the servo and then turn on the radio then the car with the motor unhooked. Make sure the steering trim is at zero. Then just place the arm on the servo so that the wheels are straight while the servo is centered. Sounds like the problem.
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Old 11-11-2004, 09:10 PM   #7
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Take your servo horn off the servo and then turn the radio on. Set the trim to the middle and then put the horn back on the servo with the tires lined up straight. Then you should get full right and left.
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Old 11-11-2004, 09:11 PM   #8
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Wow we posted the same thing at the same time.
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Old 11-11-2004, 09:15 PM   #9
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Default While I'm doing this....

I'm going to try what you guys said. I really appreciate all or your help. While I'm doing this, here's another question. when I turn the car on, I hear like a radio noise coming from the reciever...is that normal. Just like a low volume signal being transmitted. It may be a silly question, but again, this is my first car.
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Old 11-11-2004, 09:19 PM   #10
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Are you sure its from the reciever. Its pretty normal for a servo to hum but not a reciever.
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Old 11-11-2004, 09:22 PM   #11
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Its probably servo noise cuz it is not centered...........

Like they said, once the motor is setup, then turn everything on. Disconnect the servo horn. Then put it back on close to center. Then adjust the trims from there.

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Old 11-11-2004, 09:29 PM   #12
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What ESC are you using? Did you need/remember to program it?
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Old 11-11-2004, 09:43 PM   #13
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Shift the motor so the pinion is off the Spur while your figuring this out.

Sounds like the servo is straining as if it is not centered or under a load.

Are the radio channels reversed?

Are the motor wires connected properly?

The esc is connected to channel 2 not the battery slot on the receiver correct? Servo on channel 1?

Always turn your radio on first and use the receiver switch as as backup switch so you won't launch the car off the bench.

Make sure the batteries are fully charged before you correct alignment or steering adjustments.

We've all been there and burned the t-shirt.
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Old 11-11-2004, 09:57 PM   #14
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Talking GOT IT!!!!!

thanks everyone, it's working. I what you guys said worked. then I adjusted the trim to make it straight.

As far as the car, pretty much built by the people on this site.

look for my thread on XRAY T1 FK.

ESC-Novak GT7


Thanks a lot for all your help.
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Old 11-12-2004, 12:50 AM   #15
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Default Re: GOT IT!!!!!

Quote:
Originally posted by jigga21
thanks everyone, it's working. I what you guys said worked. then I adjusted the trim to make it straight.

As far as the car, pretty much built by the people on this site.

look for my thread on XRAY T1 FK.

ESC-Novak GT7


Thanks a lot for all your help.
first r/c car ever?

xray t1fk
gt7
xs3 pro

you do understand you have a serious piece of machinery. not necessarily meant for begginers, but it dont mean begginers cant start there. I have to assume you want to start racing, seriously perhaps.

most important thing you can do is buy good tools.

also since you doing touring car I might recommend this,

http://www.hudy.net/xhudy/products/p...2&kategoria=64
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