Declination Angle

Captain Jack

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Chris, if you read through my Gibby thread, you'll see how I strung it and how I straightened it out. It's a very big dish and soft aluminium can get easily deformed during transportation, especially being at the back of the van for nearly a week.
 

Channel Hopper

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If you have a large patio door, you can carry out the 'string' test on it
 
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Chris, if you read through my Gibby thread, you'll see how I strung it and how I straightened it out. It's a very big dish and soft aluminium can get easily deformed during transportation, especially being at the back of the van for nearly a week.
Still trying to find it. It's getting close to booting windows up!

Once I got the string and a bit of time I will have a go.
 

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Hi Chris, to do it correctly you should divide the dish into 6/8 bits in the same way mentioned.
 

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I think, if you can manage to do test on the mount, that will be even better. That is because when dish is installed it can change it's shape slightly under it's weight.
 

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How did you get on with this Chris, my new dish was out on a flat surface i straightened it but still need to string it in the coming days.
 
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How did you get on with this Chris, my new dish was out on a flat surface i straightened it but still need to string it in the coming days.
The ball of string I ordered, hasn't got here yet, how do you straighten out the dish?
 

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Ive got a big flat floor in the SH i just marked on the floor were it was out the braced a bit of wood across the two points and applied pressure then kept checking it until it all touched the floor, i still need to string it/large stretchy elastic bands it might need a bit more i will post pictures if so pal
 

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lovelyperson

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I will be taking it a step further Chris and checking my dish this way, its the best way to make sure your lnb is focused :).

Morning M.....interesting.

¿Can you please advise what diameter circular mirrors you are using.......online have seen various on Amazon, the Bay etc ?

Enjoy your weekend. respect-048.gif
 

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Morning M.....interesting.

¿Can you please advise what diameter circular mirrors you are using.......online have seen various on Amazon, the Bay etc ?

Enjoy your weekend. View attachment 84947
Morning D, I am using these pal, I had some slightly larger ones but my grandkids claimed them:), but these are fine, really made a difference messing with the 1.2 dish allowed me to place the lnd on the spot :).
Acrylic Mirror Shapes Square,Star,Triangle,Circle Mixed Pack Of 20
Capture.PNG
 

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Morning D, I am using these pal, I had some slightly larger ones but my grandkids claimed them:), but these are fine, really made a difference messing with the 1.2 dish allowed me to place the lnd on the spot :).

Good work and thank you.......will order over the weekend along with other items.

Yourself and family be safe.
 
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