It has been standard practice for inductive loads for decades.
> It would definitly discharge the field's > inductive kick when the contacts open, but I > think that you would still want some protection > on the contacts because they still have to > break the current going to the field.
No it doesn't: that's the point. The current simply transfers to the diode. Since the current through the inductance is not interrupted there is no inductive kick.
In some applications one adds an RC snubber network to bring the current down more rapidly (at the price of some inductive kick) than the rate determined by the RL time constant of the winding but that should not be necessary here.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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