Bergstresser Spark Time Delay Coil Made From Patent Dimensions

Author Topic: Bergstresser Spark Time Delay Coil Made From Patent Dimensions (Read 378 times)

russwr	Bergstresser Spark Time Delay Coil Made From Patent Dimensions « on: 2024-03-11, 18:11:23 »
Full Member Posts: 119	The Bergstresser spark firing time delay coil , 1976 Patent 3939814, .8 ohm, 178uh inductance, can be built from the instructions in U.S. Patent on section of pvc pipe and 2 end caps with magnet wire, electrical tape and plastic tie wraps. My unit was built, but not tested awhile back in time. Many US Patents can be downloaded from Internet by number for study. Engines running on fast firing Hydrogen gas require late degrees timing ATDC. ------------------------ Bergstresser Spark Time Delay Coil Made From Patent Dimensions DSC01793.JPG (926.77 kB, 1920x1080 - viewed 158 times.) Bergstresser Spark Time Delay Coil Made From Patent Dimensions DSC01794.JPG (930.13 kB, 1920x1080 - viewed 139 times.) Bergstresser Spark Time Delay Coil Made From Patent Dimensions DSC01795.JPG (920.34 kB, 1920x1080 - viewed 133 times.)