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Posted to rec.crafts.metalworking
Jim Stewart Jim Stewart is offline
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Posts: 756
Default OT How to size a diode?

Jim Wilkins wrote:
On Jan 26, 11:57 am, Jim wrote:
.
In any case, this sort of thing begs for a
picture or drawing.


That's why I linked to this picture when I
replied:

http://www.grumpyoldgeek.com/images/fan.jpg


Fixed pitch font.
0 is a switch terminal, / is a closed switch contact.
Fan 1 is connected to two diagonally opposite terminals.

Fan 1 only:
fan1--0 0
/ /
power-0--0

fan2--0 0--fan1


Both fans:
fan1--0 0

power-0--0
\ \
fan2--0 0--fan1

jsw