Here's an interesting old NOS spark plug that has a fan for the center electrode. Looks like it would have a problem keeping a proper gap or even keeping the fan from flying off and out the exhaust port as it wears. This plug has 7/8" threads and they did come in 1/2" Pipe thread for your FORD.
How much snake oil was used in manufacturing these? Sure makes a neat collectible though. Does the fan actually spin? I doubt it would through off all deposits. Looks perfect for boat motors.
Erich, Yes the fan does spin.
This spark plug was supplied to aircraft to give them that extra lift needed during take off...
Looks interesting. I would not want to use it on my engine for fear that the fan would come loose and wreck the valves.
I found the patent covering the Oct 1921 date shown
on the packaging, but none of the spark plug patents
issued during the July 1918 time frame shown had an
obvious connection to Horace Gill or the Fan-Flame Co.
Fan-Flame Spark Plug Co.
Yonkers, New York
Horace E. Gill
Fan Flame Spark Plug Co.
Patent number: 1392933
Filing date: Oct 9, 1918
Issue date: Oct 11, 1921
I thought I had seen about all of the "snake oil" fixes for cars, but that takes the cake! Thanks for sharing that Jay. Dave
At 1 time I coulda sworn i had a fan flame plug around here but aint seen it in years.If I had it.I remember seeing it,and so forth and thought I bought it 15 years ago or so.Oh well.
But what I do remember is the fan was supposed to be spun by the compression of the engine.Thus produceing infinate sparks.I seriously doubt it worked.
The spark plug I aint seen in use is the spark intenseifier plug.It is a plug that has a glass tube and you are able to see and adjust a gap in that glass tube before the spark gets to the electrode.Supposedly this made the spark stronger.
Oh well,Bosch aint makeing them today so apparently there aint much truth to it all.
"spark intensifier plug"
Series gap spark plugs exist today and they do have an advantage in engines that tend to foul their spark plugs and have their coil secondaries connected directly to the spark plugs. In the series gap plug, the plug wire connection on top of the plug is separated (not electrically connected) from the center electrode by the series gap.
A distributor gives you this series gap automatically because the rotor doesn't touch the plug wire contact in the cap.