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Message: <blockquote data-quote="Vipersan" data-source="post: 875449" data-attributes="member: 325666">So ..to continue this project I first needed to ensure that the homebrew triple lnb bar and bracket were actually looking at the sweet spot on Carls reflector....and indeed that the sweet spot was actually where I'd expect to find it .IE ..in the centre of the ring of mount bolts ..I also needed the distance from that sweet spot to the lnb clamp itself..Ok ..I recently bought a nice cheap triple function torch on ebay ..Produces standard white light .....Ultraviolet light ..and a single roughly central lazer dot..Useful ..but with a short length of upvc waste pipe slid over it ..is damned near the same diameter as a standard universal ku lnb.So to work ..I refitted the single lnb mount that came with the dish ..and mounted the laser torch in the bracket ..switchied it on and rotated it to find it was accurate enough describing a circle of approx 1 inch on the dish face..found the circles centre and affixed a small square of alluminium tape at the sweet spot.Whilst the original  bracket was mounted I also measure the distance ..bracket to sweet spot and wrote this on the rear of the reflector for future reference ..43.75 inches.Had a brew then re-mounted the homebrew triple feed bar ..Chose the centre position and fitted my torch again ..with  the same orientation as before ..using the on/off button as a reference..The laser dot was indeed close but slightly higher than before ..giving me a good idea how much more tilt I need to apply to the mount..and the distance measured was comparable ..it being 44.25 inches..this can hopefully accomodated by sliding the lnbs a bit further forward ..Overall ..I am very pleased with my guestimated creation.Here are the pics..You have to look closely for the laser dot in daylight..rgdsVS</blockquote>

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