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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Difference between H-H and polar mount
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<blockquote data-quote="PaulR" data-source="post: 225289" data-attributes="member: 176256"><p>I think that the essential difference is that an H-H mount is directly driven off a gear and a polar mount has an actuator arm pushing the dish.</p><p></p><p>This difference is important in traditional motor drives where the H-H motor has a fixed number of pulses per degree moved and, because the actuator is pushing at a tangent, the number of pulses increases (or decreases - can't remember) as you move from maximum to minimum.</p><p></p><p>As Topper says, the biggest problem with H-H motors is broken gear teeth after high winds.</p></blockquote><p></p>
[QUOTE="PaulR, post: 225289, member: 176256"] I think that the essential difference is that an H-H mount is directly driven off a gear and a polar mount has an actuator arm pushing the dish. This difference is important in traditional motor drives where the H-H motor has a fixed number of pulses per degree moved and, because the actuator is pushing at a tangent, the number of pulses increases (or decreases - can't remember) as you move from maximum to minimum. As Topper says, the biggest problem with H-H motors is broken gear teeth after high winds. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Difference between H-H and polar mount
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