spark plug

(redirected from a spark plug)

spark plug

One who energizes others with one's ideas and positive personality. Primarily heard in US. Kelly was the spark plug the company needed to get their new project off the ground.
See also: plug, spark
References in periodicals archive ?
But you do need to understand how a spark plug functions, and the importance of the insulator.
USPRwire, Tue Feb 03 2015] A spark plug is an integral component in an engine, and it performs an important function of producing sparks that are necessary to ignite the mixture of air and fuel in the engine.
A spark plug boot made of this silicone always has the same properties, whatever the temperature to which it is exposed in practice.
They may want a spark plug with a hotter spark, or one that sits farther down in the combustion chamber to produce the precise shape, size and duration of flame they're looking for in there.
Use a spark plug socket wrench to remove the spark plug.
In effect, it looks somewhat like a Tesla coil-and interestingly enough, Nikola Tesla held a patent for a spark plug.
When the spark generated by a spark plug grows during combustion with the air-fuel mixture, it loses heat when it comes into contact with electrodes and ignition performance decreases.
Even if you aren't mechanically inclined, before calling a mechanic, carefully remove a spark plug (you'll need a special spark plug wrench for this) and situate it so the hexagonal portion of the plug and engine block are in contact.
The same thing happens to all cylinders when a magneto fails in flight or, in a single cylinder, when a spark plug fails.
At the 1993 show, I was in the process of buying a spark plug from SPCOA founder Bill Bond when he told me not to buy the plug, but to use the money to join the club instead.
Harden thought a rail-gun plasma arc would contain a lot more energy than a spark plug, and the plasma jet could be aimed toward the center of a cylinder chamber to prevent the wall-quench effect.
It also appears that electronic engine monitors are teaching us that engine problems we used to blame on other things may be more accurately traced to a spark plug malfunction.