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| Two Sparks "instead of one" |
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 2230
Registered: 11-2001
| | Posted on Friday, October 23, 2009 - 02:24 pm: | 
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"Double the fun" Two Sparks "instead of one" 1919
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ernie
Senior Member
Username: ernie
Post Number: 1086
Registered: 01-2002
| | Posted on Friday, October 23, 2009 - 02:28 pm: |
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Another good idea that wasn't
I suspect that they found out rather quickly that if half of it was fouled the other half was too. |
amanco
Member
Username: amanco
Post Number: 9
Registered: 07-2004
| | Posted on Monday, October 26, 2009 - 02:03 pm: |
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Actually the idea was for costly battery savings. You would start the engine on the battery powered high tension buzz coil and then switch over to the magnet powered high tension magneto. Maybe couldn't start on mag because of the slow engine speed when turning by hand. Of course this was overcome on tractors by adding an "impulse" which allows the mag to, in an instant, act quickly at the right time thus delivering a hot spark.
VERY cool advert! Thanks for posting! |
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