Posted by John T on July 15, 2011 at 15:14:24 from (173.243.189.183):
In Reply to: Magneto Questions posted by Super H Mike on July 15, 2011 at 13:30:23:
How hot should a Mag spark be ?
Id say it should jump a 3/16 gap in free air thats still relatively blue in color and maybe up to an inch albeit then a thin wimpy yellow lookin spark
As in how far a gap should it leap, color, etc.
See above
Does the impulse actually increase spark strength ? If so, how ?
YES because the faster the magnetic rotor passes by the mags coil the more energy. At extreme slowwwwwwwww speed like hand cranking theres hardly any energy produced and consequently not enough to produce a spark to fire the plugs HOWEVER the impulse assembly allows a spring to wind up and then when its tripped it whirls the magnetic rotor fairly fast so a spark develops across the plug gap
Can an impulse mechanism short the spark causing no start, but will start when spun faster like when tractor is pulled
The impulse is a mechanical device that shouldnt short a spark, but when a tractor is pulled fast enough the rotor is spinning so fast the impulse isnt even working yet theres plenty spark energy to fire the plug. At RPM much over 250 the impulse assembly stops working altogether as theres no need then to increase the rotor speed UNLIKE at hand cranking speed when theres no spark unless the spring winds up n trips so the rotor spins fast enought to cause a spark
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