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Satellite TV receivers & systems support forums
Fringe Reception General
Anyone tried to make BIG dish at home?
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<blockquote data-quote="Satcom1" data-source="post: 551275" data-attributes="member: 302061"><p>Hello Everyone, :-thumb1</p><p></p><p>This subject is of great interest to me. I found a little program that designs the parabola for you and is very easy to do "What If". You can match f/d to diameter and depth. It is called Parabola Calculator V 1.0 and you can Google it.</p><p>I was thinking of using a sand box and a screed board with the shape of the parabola. By using damp sand a very smooth surface is made. Once the surface was defined a Urethane plastisizer would be sprayed on with spray bottle. The Urethane hardens in contact with water. A layer of aluminum window screen is applied. Or, layers of fine woven glass cloth would build up. Once set hard and removed the back or mold side would be sanded smooth and Copper Leaf would be applied.</p><p></p><p>A sand mix concrete mixed somewhat dry could be used instead of the sand.</p><p></p><p>_http://www.educypedia.be/electronics/easoftrf.htm</p><p>This is the link for the parabola calculator.</p><p></p><p></p><p>I've attached a project report. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="Satcom1, post: 551275, member: 302061"] Hello Everyone, :-thumb1 This subject is of great interest to me. I found a little program that designs the parabola for you and is very easy to do "What If". You can match f/d to diameter and depth. It is called Parabola Calculator V 1.0 and you can Google it. I was thinking of using a sand box and a screed board with the shape of the parabola. By using damp sand a very smooth surface is made. Once the surface was defined a Urethane plastisizer would be sprayed on with spray bottle. The Urethane hardens in contact with water. A layer of aluminum window screen is applied. Or, layers of fine woven glass cloth would build up. Once set hard and removed the back or mold side would be sanded smooth and Copper Leaf would be applied. A sand mix concrete mixed somewhat dry could be used instead of the sand. _http://www.educypedia.be/electronics/easoftrf.htm This is the link for the parabola calculator. I've attached a project report. :cool: [/QUOTE]
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Fringe Reception General
Anyone tried to make BIG dish at home?
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