FYI : Assembly instructions for my 1m80 prime focus antenna with additionnal panels to 2m60 and her polar mount

zorrin

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Hello, I share with you the assembly manuals for my 1m80 prime focus antenna, additional panels to go to 2m60 and the assembly and adjustments of the polar mount.Reflector assembly instructions.JPG
 

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  • Reflector assembly instructions.pdf
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zorrin

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Extender panel kit assembly instructions.JPG
 

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  • Extender panel kit assembly instructions.pdf
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zorrin

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Ring polar mount assembly instructionns.JPG
 

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Joolz

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Very interesting, thank you for sharing. Who is the dish made by?
 

zorrin

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nelson_b

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Strong 4375 driving a 2.4 m Channel Master dual focus offset + Invcom Quad C120 K/U l.n.b. + BSC 421 and Zinwell C band l.n.b.,s - DR HD F15 - TM5302 - Octagon SX88+Optima - GT Media V7 - HD receivers. + other dishes currently in use - Antique 3.0 m Prodelin P.F. - Channel Master 1.8 m offset - Channel Master. 1.2 m.
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Very interesting, thank you for sharing. Who is the dish made by?
Alcoa 1.8 ... myself and member Vipersan have this dish ... mine has a (different) fixed mount .. A search of the forum For - Alcoa 1.8 - will bring up some more info including Vipersans home made extension panels thread ... Cant currently find my original restoration pics ... some pics here after i converted mine to C band.

100.JPG 101.JPG
 

zorrin

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Alcoa 1.8 ... myself and member Vipersan have this dish ... mine has a (different) fixed mount .. A search of the forum For - Alcoa 1.8 - will bring up some more info including Vipersans home made extension panels thread ... Cant currently find my original restoration pics ... some pics here after i converted mine to C band.

View attachment 134980 View attachment 134981
Can you measure the length of one "leg" for me please ?
I don't find them in the box. of the dish...
So if you converted her to C band, it mean that It's possible to convert her to a C/Ku.
Can you send me more pictures of your modification ?
 

nelson_b

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My Satellite Setup
Strong 4375 driving a 2.4 m Channel Master dual focus offset + Invcom Quad C120 K/U l.n.b. + BSC 421 and Zinwell C band l.n.b.,s - DR HD F15 - TM5302 - Octagon SX88+Optima - GT Media V7 - HD receivers. + other dishes currently in use - Antique 3.0 m Prodelin P.F. - Channel Master 1.8 m offset - Channel Master. 1.2 m.
My Location
North West Yorkshire - near Lancashire & Cumbria borders.
Can you measure the length of one "leg" for me please ?
I don't find them in the box. of the dish...
So if you converted her to C band, it mean that It's possible to convert her to a C/Ku.
Can you send me more pictures of your modification ?

Hi - zorrin
I,v had many different arrangements on the Alcoa over the years .... its currently stored away ....
i will find some closer pics of the c band holder etc later today - i seem to recall playing with a C/ku l.n.b at one time on this dish .... enclosed pics of the arm dimensions ....

1.JPG 2.JPG 3.JPG
 

zorrin

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Hi - zorrin
I,v had many different arrangements on the Alcoa over the years .... its currently stored away ....
i will find some closer pics of the c band holder etc later today - i seem to recall playing with a C/ku l.n.b at one time on this dish .... enclosed pics of the arm dimensions ....

View attachment 134994 View attachment 134995 View attachment 134996
Hi @nelson_b

tanks you so much for this informtions !

i will maybe use this C/Ku lnb at the beginning for some tests. the scalar ring have some hole in M6, it will be simple to fix the legs on it. Questions : Do i will need to keep or remove the dielectric plate ?

thumbnail_IMG_5949.jpg

thumbnail_IMG_5953.jpg
 

nelson_b

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My Satellite Setup
Strong 4375 driving a 2.4 m Channel Master dual focus offset + Invcom Quad C120 K/U l.n.b. + BSC 421 and Zinwell C band l.n.b.,s - DR HD F15 - TM5302 - Octagon SX88+Optima - GT Media V7 - HD receivers. + other dishes currently in use - Antique 3.0 m Prodelin P.F. - Channel Master 1.8 m offset - Channel Master. 1.2 m.
My Location
North West Yorkshire - near Lancashire & Cumbria borders.
Hi @nelson_b

tanks you so much for this informtions !

i will maybe use this C/Ku lnb at the beginning for some tests. the scalar ring have some hole in M6, it will be simple to fix the legs on it. Questions : Do i will need to keep or remove the dielectric plate ?

View attachment 135004

View attachment 135005


Hi .. The very strong K/U satellite signals may work o.k. for you with the dielectric plate still in there - but weaker signals will need the plate removing ... i,v used a similar combined C/k/u l.n.b. - but found the K/U side of it quite poor .. nowhere near as good as a stand alone k/u - l.n.b.

My interest was in fringe reception / weak signals .. so the combined unit was disappointing for me ..

I made a separate l.n.b holder connected to the arms .. so that i had a small amount of individual adjustment of both the body of the l.n.b and the scalar ring , to get best results ... .. i will find some pictures later to show / explain how i did this

cheers
 

zorrin

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CM 1m20 Ku 50°E to 45°O OCTAGON SF8008
My Location
france
Hi .. The very strong K/U satellite signals may work o.k. for you with the dielectric plate still in there - but weaker signals will need the plate removing ... i,v used a similar combined C/k/u l.n.b. - but found the K/U side of it quite poor .. nowhere near as good as a stand alone k/u - l.n.b.

My interest was in fringe reception / weak signals .. so the combined unit was disappointing for me ..

I made a separate l.n.b holder connected to the arms .. so that i had a small amount of individual adjustment of both the body of the l.n.b and the scalar ring , to get best results ... .. i will find some pictures later to show / explain how i did this

cheers
Hi,
Yes i know that this both band LNB is not a good product at all.
The game just started, so many possibility to have fun with this big girl :)
 
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