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Saturday, 24 October 2009
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Note: The following Coil Tester description and design originated with Tom Wesenberg, it is reprinted here with permission of the author as a service to fellow Model A hobbyists. On behalf of MARC I would like to thank Tom for his generosity.
Frank Pollack
2009 President, MARC
Coil Tester
By Tom Wesenberg
Here is a coil and condenser tester I made for about $9. The 6 volt relay is 35 ohms and the capacitor connected to the relay windings is 330 microfarads. This combination makes the relay vibrate at a rate to give the coil the same frequency as a Model A running at 1,000 RPM. The higher the capacitence, the slower the relay will vibrate. If you use a 6 volt relay with a different ohm reading, you'll have to experiment with different capacitance to find the frequency you like for testing the coil.
Click READ MORE to view the complete article, pictures and design schematic.
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Tuesday, 20 October 2009
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Color Coded Wiring Diagram
Click READ MORE to view the diagram.
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Thursday, 02 October 2008
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Powerhouse Generator Brushes -
How To Make Your Own
Instructions
Frank Pollack
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Over the years I have made several sets of powerhouse generator brushes, both for the 3 and 5 brush generator. The procedure is very simple and the same for each type of generator. This procedure works well and I have had no problems with the brushes that I have made.
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You can easily make a 1 - 5 brush set or 2-3 brush sets in about 1/2 hour for about $2.
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Click the Read More for the instructions and illustration!
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