Max voltage to ignition?
 

Anyone know just how much voltage an ignition can handle on a K series motor?

I am looking to put my old puller back together and would like to use a small lithium portable power supply for the ignition. I am trying to save some weight to make the #950 class.

The one I have puts out about 16volts with no load on it. I know the voltage will drop a little when there is a load on it, but don't expect it to be much lower.

I will use a regular battery for starting by using jumpers.



Randy

I wouldn't give it over 14V, but no longer than you run for a pull, it would probably take a while before it killed the coil. You can always run a ballast resistor to step it down.

Lipo batteries have 3.7v per cell which means a 4cell battery will be 14.8v but when fully charges it will be closer to 16 or 17. Life batteries are only 3.3v per cell which will make a 4 cell only 13.2v and when fully charged will be around 15.2v. life batteries are much safer and wont burst into flames like lipos do.

I always used a small motorcycle battery , ran the fuel pump , ign and vacuum pump . through a weekend of NQS pulling . usually made 4 hooks

I race, or used to race I should say, RC too. I have a couple of the portable jump boxes that use the 18650 batteries and have had pretty good luck with them.

One of them just puts out barely 12v and the other put out about 16v. The 123A cells wouldn't be a bad way to go, just didn't want to pony up for new cells. I have chargers that will charge anything so maybe.


Thanks for the replies all!!






Randy