fibo original feedhorn, can anyone help me identify this?

kamaleon

kamaleon

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Hi folks

Today I finally got my 90cm fibostöp dish out from the attic, I thought I tried diying an lnb to try it out. Unfortunatly I'd never taken the lnb / feedhorn apart and it looks like it's not a "regular" C120 straightforward feedhorn. It's got some sort of polariser or something of the like, and I'm starting to think that I will never be able to use this feedhorn :-DOH2'O'-red

Can anyone help me identify what the heck is this?

Also, does anyone know where I can find a "normal" feedhorn so I can order an inverto C120 lnb so I can finnally get this baby up and running? :toke:

Cheers!
 

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lol, i've just spend some more time and found another screw that allowed me to take off the tube with the white plastic plate inside it, so it seems the polarizer can go directly into the feedhorn. Do you think I can take off the plastic bit from the polarizer so I can just use the C120 support directly into the feedhorn? It has a funny rectangular shape inside it, so I suppose I need a different C120 support, not this one?
 
Apparently I've tracked down a feedadapter but it's really expensive, 20€ + 13€ shipping. 'O'-red

I don't think I can use my polariser instead of this feed adapter:

_http://www.seh1.de/detailar.asp?AN=627
 

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yes thats the adaptor you need. Remove all the other parts and fit the one pictured above.
 
Yep, indeed. Does anyone have this in stock? Or spare?

Another question: do you think I could butcher the polariser in order to make it look like the adapter above?
 
Smw,does also have this type of feedhorn,you can buy it in germany for 30€!

in my collection i search after reading this topic,i found this,you can adjust the scew manually on the back side !


i see a number scale from 30 -to 90 degres!
 

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Kamaleon

Dril the mechanical part out of the polarizer with a 18,8 mm.

If you make it bigger use a tube 22/18 make that 22/18.8 mm and do insite the polarizer.
Now you can use it as a flange.
 
Thanks for these tips! I'll see what I can come up with :)
 
How did you get on? Is the dish up yet mate?
 
Yo, how're you doing there matey!

Not for the time being, I'm leaving anytime soon for summer and I won't be able to do it now. On top of that, the fact that satmueller have the bracket and the feed tube but they charge 30€ shipping might have had something to do with as well!!! 'O'-red

There was someone selling a whole dish on the french ebay but he wanted local pickup only, the auction is finished but I'm still trying to contact him with not much sucess.
 
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