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Gold Prospecting
Do It Yourself (DIY) Projects
Bellows puffer style drywasher plans
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<blockquote data-quote="Tathradj" data-source="post: 161900" data-attributes="member: 2436"><p>Generally the old style wiper motors had 2 speeds.</p><p>Slow then flat out.</p><p>You supplied 12v to one wire then switched between the other two giving two speeds.</p><p>Nowadays they utilize electronics called a PWM controller.</p><p>Much cheaper to produce and as expensive as all get out to replace.</p><p>Though I will say that Pulse Width Modulation is the ducks nuts way to control a D.C. motor.</p><p>I have been watching this thread with great interest but over here in this area, The soil does not dry out enough to run one.</p><p>Keep it up. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Tathradj, post: 161900, member: 2436"] Generally the old style wiper motors had 2 speeds. Slow then flat out. You supplied 12v to one wire then switched between the other two giving two speeds. Nowadays they utilize electronics called a PWM controller. Much cheaper to produce and as expensive as all get out to replace. Though I will say that Pulse Width Modulation is the ducks nuts way to control a D.C. motor. I have been watching this thread with great interest but over here in this area, The soil does not dry out enough to run one. Keep it up. :D [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Bellows puffer style drywasher plans
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