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Lutenna - The antenna made of Sugar
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<blockquote data-quote="ldc" data-source="post: 623806" data-attributes="member: 254471"><p>Did some more reading about this on another one of these sleepless nights...</p><p></p><p>Not shure about this, but from my understanding it seems like if you dont use multiple layers you will get a larger focal-point when increasing the size of the sphere and this might be the problems that where noticed initially when a larger sphere resulted in less performance. It could be possible to overcome this to some degree with having a lower DC for larger spheres ie increase the distance to the focalpoint but it might be tricker to get correct alignment of the LNB when doing that.</p><p></p><p>And just a thought about this, maybe someone that already has a large sphere could do a simple test with adding a simple horn to the LNB and see what that would do to the reception.. (some simple cardboard+aluminum foil design). </p><p></p><p>One idea i had about making a multi-layer thingy..</p><p>Get a number of bowls, place bowl and fill with styrofoam (mixed with some material that will change the DC of it), first layer done, get the next bowl and place over the first layer and fill up with the next layer and repeat (removing each bowl when going to the next layer).. Could be an easy way to do it... just gotta find out a way to make styrofoam at home</p><p></p><p>And as said before... crazy insomniac at work here <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="ldc, post: 623806, member: 254471"] Did some more reading about this on another one of these sleepless nights... Not shure about this, but from my understanding it seems like if you dont use multiple layers you will get a larger focal-point when increasing the size of the sphere and this might be the problems that where noticed initially when a larger sphere resulted in less performance. It could be possible to overcome this to some degree with having a lower DC for larger spheres ie increase the distance to the focalpoint but it might be tricker to get correct alignment of the LNB when doing that. And just a thought about this, maybe someone that already has a large sphere could do a simple test with adding a simple horn to the LNB and see what that would do to the reception.. (some simple cardboard+aluminum foil design). One idea i had about making a multi-layer thingy.. Get a number of bowls, place bowl and fill with styrofoam (mixed with some material that will change the DC of it), first layer done, get the next bowl and place over the first layer and fill up with the next layer and repeat (removing each bowl when going to the next layer).. Could be an easy way to do it... just gotta find out a way to make styrofoam at home And as said before... crazy insomniac at work here :) [/QUOTE]
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Lutenna - The antenna made of Sugar
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