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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Who have motor SMB 1224?
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<blockquote data-quote="johnsattuk" data-source="post: 158743" data-attributes="member: 183150"><p>I think most of the positioners will have a worm drive somewhere inside them, it's an easy way to get the high gear ratio needed. Most of them only need something like 0.5 rpm on the dish arm.</p><p></p><p>How much play is a matter of design/adjustment, and probably price. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p></p><p>What we want is a nice 'harmonic drive' gearbox, - high gear ratio, very stiff, very little play, very quiet, - but price would probably rule them out. <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="johnsattuk, post: 158743, member: 183150"] I think most of the positioners will have a worm drive somewhere inside them, it's an easy way to get the high gear ratio needed. Most of them only need something like 0.5 rpm on the dish arm. How much play is a matter of design/adjustment, and probably price. :) What we want is a nice 'harmonic drive' gearbox, - high gear ratio, very stiff, very little play, very quiet, - but price would probably rule them out. :D [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Who have motor SMB 1224?
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