This blower setup is a blow dryer powered by an refurbished slot car power pack from the mid 60s. With the blower running the pack is delivering 13V. On the bench supply the blower used 1A at 12V and 1.3A at 14V.
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| The original selenium rectifier | Replaced with 2 1N4007 diodes |
The power pack was equipped with a selenium rectifier that was past it best used by date. It was replaced with two 1N4007 diodes 1A diodes.
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Given how simple this is I expect it will work well with the Dremel speed control which is a phase angle control. Need to find or build a storage box.
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