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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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<blockquote data-quote="Channel Hopper" data-source="post: 996477" data-attributes="member: 175144"><p>Ah, but they dont, the - early - Patriot was notorious for distorting the upper bearing retention bracket out of true position, meaning the focal point would change depending on whether you arrived at the satellite from the east, or west. Including an elevation motor is a fix but no professional system should have this flaw in the first place. A good weight distribution also removes the need for heavy counterweights, and the take up points built into the design. </p><p></p><p>The further the two bearings are the better of course , and some designs have used a similar arangement to car suspension, or use taper bearings which have an infinitely better resistance to wear over ball races.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 996477, member: 175144"] Ah, but they dont, the - early - Patriot was notorious for distorting the upper bearing retention bracket out of true position, meaning the focal point would change depending on whether you arrived at the satellite from the east, or west. Including an elevation motor is a fix but no professional system should have this flaw in the first place. A good weight distribution also removes the need for heavy counterweights, and the take up points built into the design. The further the two bearings are the better of course , and some designs have used a similar arangement to car suspension, or use taper bearings which have an infinitely better resistance to wear over ball races. [/QUOTE]
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Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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