Wheels spinning on idle?  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> HPI Racing >> HPI On-Road >> Wheels spinning on idle?
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Wheels spinning on idle? - 7/2/2006 5:20:52 AM   
tablist56


 

Posts: 156
Joined: 1/20/2006
From: Sydney, AUSTRALIA
Status: offline 		ok guys, almost there! lol...

can get it started ok now. just cant seem to work out why my wheels spin at idle?

i have a 1-2mm carb opening at brake/idle.

any ideas?


(btw does anyone know how u can change the topic of a post after u have posted? might have been easier to change the topic of my other post)
       Post #: 1

RE: Wheels spinning on idle? - 7/2/2006 5:29:06 AM   
hpi apollo



Posts: 2639
Joined: 5/13/2006
From: Georgetown, KY, USA
Status: offline 		1mm of carb barrel opening is just righ, it might require a little less or more (doubtful) each engine is very unique, make sure your clutch bearings arent bad and make sure that the clutch springs arent loose and dragging causing it to spin the gears, also, you could have your low speed needle a little too lean, but never sacrifice tuning for the car to sit still, good luck


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RE: Wheels spinning on idle? - 7/2/2006 5:31:01 AM   
Rob6



Posts: 741
Joined: 8/5/2006
From: North Fort Myers FL, FL, USA
Status: offline 		Either you clutch it melted or the spring is snapped or come loose. OR your idle is to high. Using the throttle servo is a bad to set your idle. I am not familiar with the HPI engines but i know there is a idle screw on there. The idle should be at the most 1 1/2 MM's open.
-OS-

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RE: Wheels spinning on idle? - 7/3/2006 3:27:06 AM   
tablist56


 

Posts: 156
Joined: 1/20/2006
From: Sydney, AUSTRALIA
Status: offline 		so when i start the car, the transmitter should be turned off so i can manually set the carb to 1/4 open, then once she is started THATS WHEN i turn on the transmitter to get the carb back to 1.5mm on idle?

is that right?

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       Post #: 4

RE: Wheels spinning on idle? - 7/3/2006 3:50:51 AM   
hpi apollo



Posts: 2639
Joined: 5/13/2006
From: Georgetown, KY, USA
Status: offline 		ALWAYS i repeat ALWAYS start the car with the transmitter (tx) and receiver (rx) turned on, and 1/4th open is too much, the hpi manual says something similar to that, dont do it, 1.5mm should be enough, there should be a black screw on the front that takes an allen wrench, adjust that


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RE: Wheels spinning on idle? - 7/5/2006 3:41:10 AM   
tablist56


 

Posts: 156
Joined: 1/20/2006
From: Sydney, AUSTRALIA
Status: offline 		ok cool will do. i can so see why some people hate nitros man! i guess once i get it all down ill love it! hahaha

thanks for helping me on my other thread btw hpiapollo! its much appreciated.

i have updated the other thread for you. thanks mate.

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       Post #: 6

RE: Wheels spinning on idle? - 7/5/2006 3:42:44 AM   
tablist56


 

Posts: 156
Joined: 1/20/2006
From: Sydney, AUSTRALIA
Status: offline 		i guess u could always increase the throttle trim to increase the carb opening to help start the car then reduce the trim once started and warmed up.

(in reply to tablist56)
       Post #: 7

RE: Wheels spinning on idle? - 7/5/2006 3:53:33 AM   
hpi apollo



Posts: 2639
Joined: 5/13/2006
From: Georgetown, KY, USA
Status: offline 		on my mx-3 it has the throttle adjustment, and when i am starting or warming it up i always set it really high, it actually helps a fair amount


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