Generators don't usually need polarizing unless they've been zapped the wrong way,. . . pulled apart, or have sat for many years without being run.
The reason for polarizing is to make sure the residual magentism is in place (and with correct North and South).
A generator can hold that magnetism for many years when it's all together. Take it apart though, and it loses it fast.
Same goes for the redidual magentism in ignition magnetos - although they have stronger magnets. When all together, they last a long time. Take them apart, and they go dead very fast - unless you lay a piece of "keeper" metal next to the magnet.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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