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1.2m Channel Master UK project
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<blockquote data-quote="archive10" data-source="post: 889144"><p>Welcome to the CM120 owners club! Love those dishes, they just work so well...!</p><p></p><p>But, 130+ cm underground is a LOT of digging to do, if you want to concrete it in...</p><p>It gets awkward after about 70 cms, then you either wish for a mechanical digger, or better back/arms.</p><p>Did a 120 cm hole a couple of years ago for the CM180, that was tough going, I can tell you!</p><p>And do keep in mind the amount of concrete you will have to poor in. You need a mixer and lots of concrete...</p><p></p><p>How permanent do you think this will be? I mean, putting T-K brackets on walls is fairly ok for a couple of years of installation.</p><p>In constast, the concreted-in dish mount will stay there for many man many years, especially if you pout enough concrete in the hole.</p><p></p><p>Perhaps you might consider a non-penetrating mount, e.g. a couple of concrete blocks with a mount such as the one CJ has been using?</p><p>The CM120 will pull quite a bit if wind, but if it's sheltered, you can get away with just a couple of blocks with good bolts in them.</p><p>Of corse it costs a few bobs compared to digging a hole, but I know what my back prefers...</p><p></p><p>If you hapen to have a source of cheap concrete, you can also go for an above-ground-conrete-base.</p><p>Like they do in southern-Europe. Put a few planks up, and pour enough concrete to provide a firm base.</p><p>Whether to put threaded bars in, or drill holes after it has set t a matter of preference.</p><p>As yet another alternative, you may even be able to get something pre-made off of the roadworks people, just drill holes.</p><p>Just need a ground-based mount, and you are on your way. the concrete blocks can</p><p></p><p>I just think that a ground level mount is far easier on the back when you can't get a mechanical digger in to do th job, and gets results quick too.</p></blockquote><p></p>
[QUOTE="archive10, post: 889144"] Welcome to the CM120 owners club! Love those dishes, they just work so well...! But, 130+ cm underground is a LOT of digging to do, if you want to concrete it in... It gets awkward after about 70 cms, then you either wish for a mechanical digger, or better back/arms. Did a 120 cm hole a couple of years ago for the CM180, that was tough going, I can tell you! And do keep in mind the amount of concrete you will have to poor in. You need a mixer and lots of concrete... How permanent do you think this will be? I mean, putting T-K brackets on walls is fairly ok for a couple of years of installation. In constast, the concreted-in dish mount will stay there for many man many years, especially if you pout enough concrete in the hole. Perhaps you might consider a non-penetrating mount, e.g. a couple of concrete blocks with a mount such as the one CJ has been using? The CM120 will pull quite a bit if wind, but if it's sheltered, you can get away with just a couple of blocks with good bolts in them. Of corse it costs a few bobs compared to digging a hole, but I know what my back prefers... If you hapen to have a source of cheap concrete, you can also go for an above-ground-conrete-base. Like they do in southern-Europe. Put a few planks up, and pour enough concrete to provide a firm base. Whether to put threaded bars in, or drill holes after it has set t a matter of preference. As yet another alternative, you may even be able to get something pre-made off of the roadworks people, just drill holes. Just need a ground-based mount, and you are on your way. the concrete blocks can I just think that a ground level mount is far easier on the back when you can't get a mechanical digger in to do th job, and gets results quick too. [/QUOTE]
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