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RE: My redcat buggy froze! - 3/6/2011 2:49 PM   
Go Gators


 

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From: FORT LAUDERDALE, FL, USA
Status: offline 		ok so i see from the video all 3 diffrent screws now.  not sure why i cant get it to run right though

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RE: My redcat buggy froze! - 3/6/2011 2:51 PM   
cumquat



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Status: offline 		never mind...

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RE: My redcat buggy froze! - 3/6/2011 3:00 PM   
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I just cant get the wheels to stop spinning while in idle. if I unscrew the idle it wont start and if i screw clockwise it spins the tires.  What now?  Help



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RE: My redcat buggy froze! - 3/6/2011 3:08 PM   
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Status: offline 		am i to adjust the high speed needle or idle screw? or both? I'm getting very frustrated with this!

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RE: My redcat buggy froze! - 3/6/2011 3:40 PM   
gigabyte411


 

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Status: offline 		If you're trying to get the wheels not to spin at idle.

Start with the idle screw.  turn it so that it rev's low but doesn't shut off.

Once you have that and I'm thinking that your wheels are still spinning

Then adjust your LSN (low speed needle) - not the one in the brass sleeve - turn the LSN counter clockwise in very small increments and wait 30 - 45 seconds before you touch it again.  Imagine that the screw is the little hand on a clock and your gonna turn it 1 hour at time.  That's 1/12 of a turn. small increments. 

I hope that you remember where all those needles were when you started (stock needle settings)

remember, this isn't frustrating, this is getting to know your car, it's part of the fun.

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RE: My redcat buggy froze! - 3/6/2011 6:20 PM   
gigabyte411


 

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From: La Habra, CA, USA
Status: offline 		It just occurred to me,  have you checked the throttle trim on the radio without the car running?

When you turn on the power to your radio and then your car does your throttle servo move?  Is it humming?  If your trim is properly set your throttle servo won't hum. 

If it's humming:
    turn everything off
    remove the screw from the throttle servo arm and lift the arm off the gear
    take off your air filter so you can see your carb gap  - adjust the gap to 1 to 2 mm (mine is closer to 1mm)
    set you throttle trim on the radio:
            I've heard it two ways (1) is to set the throttle trim on the radio all the way back (this didn't work for me)
            (2) is to set the throttle trim on the radio to the middle (this is what I had to do)
     Now, turn on your radio then your car power switch
     Is the throttle servo humming?
            If yes, then adjust the throttle trim until the humming stops,  
     Once you get it to the point where it's not humming.  Turn off the power on the car then the radio then turn the power back on for the radio then the car... still not humming, right?  Great.
      Turn off the power to the car and the radio.
      Next put the throttle servo arm back on the servo gear and screw it in, put it on carefully so it doesn't move the gear but tight enough that the carb gap stays at 1 - 2 mm         
      Turn off the power on the car then the radio then turn the power back on for the radio then the car... still not humming, right?  The carb gap is still properly set, right?
      Put the air filter back on.

Fire it up. 

Good luck


there is a video for this on youtube but I don't remember where, sorry.     

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RE: My redcat buggy froze! - 3/6/2011 6:49 PM   
jands29


 

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quote:

ORIGINAL: nitrosportsandrunner

if the piston was at TDC when the motor stopped and allowed to cool like that, it could be stuck for that reason.
before applying force, i would use a hair dryer to heat the motor up. that will help the cylinder expand and lessen the pinch on the piston.


absolutely use a hair dryer and heat it really well before u try anything. I run my Nitro at -20c on a regular basis, at least until my fingers freeze off lol. I run really rich and ALWAYS heat the engine prior to starting even though I bring it straight from inside my warm house. These engines cool down very quickly and I try to remember to place it at bdc after running it.

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RE: My redcat buggy froze! - 3/6/2011 11:28 PM   
billymare


 

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Status: offline 		Alright, this may be a stupid question....  will the engine start and idle with the wheels on the ground?  I'm thinking you may have a clutch problem.  the screw under the air filter is the idle screw.  try to loosen (counter clockwise) it.

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RE: My redcat buggy froze! - 3/9/2011 11:23 PM   
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From: FORT LAUDERDALE, FL, USA
Status: offline 		well ive tried most everything and its just not running right.  Funny thing happened today in which I ran into the owner of a hobby shop of tamarac and told him my problem. He said to just bring it in.    Has anyone heard of this shop? its in tamarac florida just outside fort lauderdale.  Thanks  John

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RE: My redcat buggy froze! - 3/10/2011 2:56 PM   
gigabyte411


 

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From: La Habra, CA, USA
Status: offline 		I'm on the other side of the country but my not so LHS charges $20 to tune a nitro car.  That includes a car that won't start.  Parts would be extra if necessary. 

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RE: My redcat buggy froze! - 3/10/2011 6:48 PM   
rjsdad


 

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From: hutto, TX, AMERICAN SAMOA (USA)
Status: offline 		Go Gator..you can take it in and have the owner explain everhtying to you. In order to keep a good running machine you will have to master the tunning. A rule of thumb is that if you have good blue smoke your safe. Although you can lean out the engine and get more performance from it, having good blue smoke will ensure that your engine is getting plenty fuel and lubrication. Remember that the fuel also cools the engine as well. So it does the following: cools, lubericates, and is the power source. I went a step further and once I found BDC (Bottom Dead Center) I used my drill punch and made two permanent markings that all I have to do is line them up and I am at BDC. Use after run oil...if you dont WD-40 will work as well. What were doing is preventing moisture to collect inside the engine which will lead to rust. Hope this helps

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RE: My redcat buggy froze! - 3/11/2011 12:11 AM   
Go Gators


 

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From: FORT LAUDERDALE, FL, USA
Status: offline 		thanks guys! I THINK IM JUST GOING TO BRING IT IN TO HIM ANd get it running at idle. I will take care of getting it broken in after that.  

Also if anyone in Fort Lauderdale Florida woiuld like to come over some time and help me out,  I would appreciate it.  LMK.  Thanks John

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Redcat Racing Support >> RE: My redcat buggy froze!
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