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Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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<blockquote data-quote="s-band" data-source="post: 995173" data-attributes="member: 407744"><p>Long before I bought the decent large dishes, I bought a 2.4m Fortec. I finally got around to assembling it and now it's time to come out and admit to what I have done. The one I got had been damaged in transit and had kinks on one edge of most petals and a slight dents in the middle of a couple. I straightened the kinks by compressing the edges between blocks of wood but left the dents. Thanks to aceb for your notes.</p><p></p><p>Putting the dish together took a few hours:</p><p>All fixings were replaced by stainless ones and I used copper grease when assembling.</p><p>The ribs that hold the petals to the ring were not at 90 degrees to the ring fixing so they had to be corrected. I sprayed Waxoil inside the ring and all the tubes.</p><p>I built the frame and mount first</p><p>With the ring set so that the dish would be pointing at the horizon, I attached the first 2 petals. I then moved it to the "bird bath" position to do the rest. When adding petals, I found it easier to use a couple of extra long bolts and the drift to locate the petal (see drift_53.jpg). I then added the fixing bolts. Using a drift,it was reasonably easy to align the panels. Once together, I tweaked the alignment a bit but it was not too bad to start with. I haven't tried it yet as the weather hasn't been great.</p><p></p><p>OK, so the metal will probably decay faster than the pallet but for less than the price of an AV-Comm polariser etc you could get a C Band starter kit which will not need planning permission.</p><p>Dish £Free-£180 (mine was £100, new but mangled)</p><p>Cheap LNBF e.g. Titanium Lite £18</p><p>Castors £15</p><p>Pallet £Free</p><p>The stainless fixings were about £25 extra</p><p></p><p>I'll make sure I tie it down if I leave it outside as it probably will not make a very controllable land yacht. Once it have it running I will report again.</p><p></p><p>[ATTACH]100580[/ATTACH] [ATTACH]100582[/ATTACH][ATTACH]100587[/ATTACH] [ATTACH]100583[/ATTACH] [ATTACH]100584[/ATTACH] [ATTACH]100585[/ATTACH] [ATTACH]100586[/ATTACH]</p></blockquote><p></p>
[QUOTE="s-band, post: 995173, member: 407744"] Long before I bought the decent large dishes, I bought a 2.4m Fortec. I finally got around to assembling it and now it's time to come out and admit to what I have done. The one I got had been damaged in transit and had kinks on one edge of most petals and a slight dents in the middle of a couple. I straightened the kinks by compressing the edges between blocks of wood but left the dents. Thanks to aceb for your notes. Putting the dish together took a few hours: All fixings were replaced by stainless ones and I used copper grease when assembling. The ribs that hold the petals to the ring were not at 90 degrees to the ring fixing so they had to be corrected. I sprayed Waxoil inside the ring and all the tubes. I built the frame and mount first With the ring set so that the dish would be pointing at the horizon, I attached the first 2 petals. I then moved it to the "bird bath" position to do the rest. When adding petals, I found it easier to use a couple of extra long bolts and the drift to locate the petal (see drift_53.jpg). I then added the fixing bolts. Using a drift,it was reasonably easy to align the panels. Once together, I tweaked the alignment a bit but it was not too bad to start with. I haven't tried it yet as the weather hasn't been great. OK, so the metal will probably decay faster than the pallet but for less than the price of an AV-Comm polariser etc you could get a C Band starter kit which will not need planning permission. Dish £Free-£180 (mine was £100, new but mangled) Cheap LNBF e.g. Titanium Lite £18 Castors £15 Pallet £Free The stainless fixings were about £25 extra I'll make sure I tie it down if I leave it outside as it probably will not make a very controllable land yacht. Once it have it running I will report again. [ATTACH]100580[/ATTACH] [ATTACH]100582[/ATTACH][ATTACH]100587[/ATTACH] [ATTACH]100583[/ATTACH] [ATTACH]100584[/ATTACH] [ATTACH]100585[/ATTACH] [ATTACH]100586[/ATTACH] [/QUOTE]
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Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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