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Nick Rose
super member
Reged: 11/01/10
Loc: San Mateo, CA
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Pier for Vixen Polaris & LX200
#5486002 - 10/23/12 08:35 PM
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I got into contact with a contractor at my local airport (San Francisco International Airport)and they have some scrap metal from some demolition there doing at the airport. She sent me 2 pictures of the pipe that is scrap. It is the main line of the sprinkler system.
Would this be a good size pipe for my Vixen Super Polaris with the 6" Reflector and later a LX200 12" or 14"? I'll have them cut me a 5' section but I will probably later on maybe have the final height at 3'.
DSCF6028 by Nick R2006, on Flickr
DSCF6030 by Nick R2006, on Flickr
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Starhawk
Post Laureate
Reged: 09/16/08
Loc: Tucson, Arizona
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Re: Pier for Vixen Polaris & LX200
[Re: Nick Rose]
#5486765 - 10/24/12 10:40 AM
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Yep, you're there as long as the rust isn't too bad (hard to tell from photo). All you need is a welder to attach some robust end fittings.
-Rich
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Tom and Beth
Carpal Tunnel
Reged: 01/08/07
Loc: Tucson, AZ
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Re: Pier for Vixen Polaris & LX200
[Re: Starhawk]
#5487201 - 10/24/12 03:41 PM
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That wold hold more than the two mounts mentioned. Clean it up with some steel wool than a coat of Rustoleum. Looks like the pipe is about 10 feet long, so bury 4 or 5 feet and leave the tube HOLLOW above ground.
BTW, If I were you I'd look on Ebay for a 2-3 inch thick by 9 inch round that would become your top plate. Have a machinist trim the round for a slip fit, and drill and tap the pipe for 6 grub screws. That way, if you ever went with another mount all you'd have to do is drill mounting holes in the plug.
Edited by Tom and Beth (10/24/12 03:43 PM)
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Nick Rose
super member
Reged: 11/01/10
Loc: San Mateo, CA
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Re: Pier for Vixen Polaris & LX200
[Re: Tom and Beth]
#5487328 - 10/24/12 04:56 PM
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I think the tube is more then 10' but they do have one that is closer to 9'. Its a few hundred pounds so I need to see if any of my friends can go to the airport to lift the beast.
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Nick Rose
super member
Reged: 11/01/10
Loc: San Mateo, CA
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Re: Pier for Vixen Polaris & LX200
[Re: Nick Rose]
#5487876 - 10/24/12 11:52 PM
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I lucked-out with the pipe. They are giving it to me for free. So all I to do is to pick it up and then later on have one of my friends cut it to length and weld the top and bottom plates on.
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Geo.
Carpal Tunnel
Reged: 10/01/08
Loc: Upstate NY
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Re: Pier for Vixen Polaris & LX200
[Re: Nick Rose]
#5490590 - 10/26/12 05:27 PM
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Probably better steel than you'll find today. A lot of pipe is now imported. By the time they'd hauled it to the scrap yard for $0.10 - 0.15 a pound they'd be losing money. The kindness is ignoring any possible liability in giving it to you. Their insurer won't be happy=8(
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