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DISH SETUP: Single sat, Multi-Sat & Motorised
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<blockquote data-quote="Terryl" data-source="post: 748944" data-attributes="member: 369937"><p>Unfortunately the parabolic shape of the dish causes the same affect as an airplane wing, causing lift in one direction, even the uni-mesh dishes have this problem, and this can cause a severe wobble and even a failure of the mount due to metal fatigue. </p><p></p><p>Back to the wind is the most effective way to minimize damage, however most satellite dishes don’t have a unidirectional motor mount and cant be turned to back into the wind.</p><p></p><p>In hi wind areas we use to install dishes designed for 100 mph+ winds, these are very expensive so some asked for side braces, a 3 point or 4 point side brace will hold the dish steady enough to watch (in my case TX and RX) the satellite. (I would use a 4 point for a big dish)</p><p></p><p>If this is a motorized system, then you can plan out the bracing for what ever direction your major storms come from, before the storm hits turn the dish and go out and install the bracing, (use a motor disconnect switch to keep someone from moving it while braced up) this can be guy wire, aircraft cable or tubing cut to length.</p><p></p><p>In some cases the pull on the bracing would pull the dish out of shape so cross bracing had to be installed from the brace points on the dish across the face of the dish, this was made from stainless steel aircraft cable as it is much stronger and is thinner then normal steel cable or guy wire, (I use it to hold up my tower) turn buckles are used to tighten things down, after the storm has passed you can remove the side bracing, if more storms are to follow you can leave the center bracing in place. (loosen up the turn buckles so the dish doesn’t warp)</p><p></p><p>This seams like a lot of work but is only needed during those hi wind times, and keeps your dish at home and not down the road.</p></blockquote><p></p>
[QUOTE="Terryl, post: 748944, member: 369937"] Unfortunately the parabolic shape of the dish causes the same affect as an airplane wing, causing lift in one direction, even the uni-mesh dishes have this problem, and this can cause a severe wobble and even a failure of the mount due to metal fatigue. Back to the wind is the most effective way to minimize damage, however most satellite dishes don’t have a unidirectional motor mount and cant be turned to back into the wind. In hi wind areas we use to install dishes designed for 100 mph+ winds, these are very expensive so some asked for side braces, a 3 point or 4 point side brace will hold the dish steady enough to watch (in my case TX and RX) the satellite. (I would use a 4 point for a big dish) If this is a motorized system, then you can plan out the bracing for what ever direction your major storms come from, before the storm hits turn the dish and go out and install the bracing, (use a motor disconnect switch to keep someone from moving it while braced up) this can be guy wire, aircraft cable or tubing cut to length. In some cases the pull on the bracing would pull the dish out of shape so cross bracing had to be installed from the brace points on the dish across the face of the dish, this was made from stainless steel aircraft cable as it is much stronger and is thinner then normal steel cable or guy wire, (I use it to hold up my tower) turn buckles are used to tighten things down, after the storm has passed you can remove the side bracing, if more storms are to follow you can leave the center bracing in place. (loosen up the turn buckles so the dish doesn’t warp) This seams like a lot of work but is only needed during those hi wind times, and keeps your dish at home and not down the road. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Why Us Again ??
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