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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Channel Master 1.8 Restoration
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<blockquote data-quote="RimaNTSS" data-source="post: 1013430" data-attributes="member: 312276"><p>The main problem of all polar-mounts is the fact that antenna's center of gravity (somewhere in red circle) is located much above the turning axis of the mount (yellow line). Heavier the dish- bigger the problem. Because of this, phenomenon "dish flopping" can happen. Of course it is possible to use more powerful actuator to deal with the problem, but, anyway, even for more more powerful actuator pulling the dish from the end position is not easy task. There are couple of ways how to fix it.... Use additional counterweight to balance the system. And another way is to lower center of gravity of the dish till it gets to the yellow line. When center of gravity of the dish is located on the turning axis of the mount then system becomes balanced and flopping is not possible at all. There is <a href="https://www.youtube.com/watch?v=kV_RFZxaWc8" target="_blank">VIDEO </a>how antenna behaves when system is balanced.</p></blockquote><p></p>
[QUOTE="RimaNTSS, post: 1013430, member: 312276"] The main problem of all polar-mounts is the fact that antenna's center of gravity (somewhere in red circle) is located much above the turning axis of the mount (yellow line). Heavier the dish- bigger the problem. Because of this, phenomenon "dish flopping" can happen. Of course it is possible to use more powerful actuator to deal with the problem, but, anyway, even for more more powerful actuator pulling the dish from the end position is not easy task. There are couple of ways how to fix it.... Use additional counterweight to balance the system. And another way is to lower center of gravity of the dish till it gets to the yellow line. When center of gravity of the dish is located on the turning axis of the mount then system becomes balanced and flopping is not possible at all. There is [URL='https://www.youtube.com/watch?v=kV_RFZxaWc8']VIDEO [/URL]how antenna behaves when system is balanced. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Channel Master 1.8 Restoration
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