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Equipment Discussions >> ATM, Optics and DIY Forum

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Jim Curry
Pooh-Bah
*****

Reged: 10/29/07

Loc: STL
Re: Post your home made scope new [Re: bremms]
      #5692893 - 02/21/13 02:47 PM

Excellent workmanship, Marc. Funny how doing your own machining means perfect alignment, eh?

How are you going to paint them?

Jim


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bremms
Carpal Tunnel
*****

Reged: 08/31/12

Loc: SC
Re: Post your home made scope new [Re: Jim Curry]
      #5692996 - 02/21/13 03:55 PM

Might leave the tube bare. I was going to try and anodize the the cells but the lens cell is 7075 and 7075 does not anodize really well. Bare it is for now, I have a couple tubes that might get powder coated.

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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: bremms]
      #5695561 - 02/22/13 08:21 PM

ever work 6061?

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Post your home made scope new [Re: droid]
      #5695571 - 02/22/13 08:29 PM

I like how OSH semi gloss black rattle paint comes out with a coat of etching primer under it:



Tinky's visual back (was badly faded and oxidized anodized black).

-Tim.


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mikey cee
Postmaster
*****

Reged: 01/18/07

Loc: bellevue ne.
Re: Post your home made scope new [Re: tim53]
      #5696330 - 02/23/13 10:44 AM

Now that's slick. Mike

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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: mikey cee]
      #5706765 - 03/01/13 08:49 AM Attachment (105 downloads)

My latest rehab: http://www.cloudynights.com/ubbthreads/showflat.php?Cat=0&Board=classics&...

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Steven Aggas
scholastic sledgehammer


Reged: 04/15/08

Loc: Arizona
Re: Post your home made scope new [Re: droid]
      #5706961 - 03/01/13 10:44 AM Attachment (100 downloads)

Among other scopes I've built, this is the latest; a satellite tracking radio telescope.... Capable of transmit mode too.

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bob71741
scholastic sledgehammer
*****

Reged: 02/16/08

Re: Post your home made scope new [Re: Steven Aggas]
      #5707159 - 03/01/13 01:13 PM

Interesting antenna-any details on it and the receiver? did not find anything on your website.

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Steven Aggas
scholastic sledgehammer


Reged: 04/15/08

Loc: Arizona
Re: Post your home made scope new [Re: bob71741]
      #5707388 - 03/01/13 03:38 PM

Hi Bob, there are four 50-foot cables; 12VDC power cable, a control cable to stop/start/reverse the step motor for ascending or descending orbits, and, two antenna cables for the UHF/VHF sections, that will tie the Kenwood TS-2000X transceiver to the tracking antenna mount.

Best,
Steven


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: Steven Aggas]
      #5708174 - 03/02/13 04:05 AM

Steven; thats cool man........you note its capable of transmit?
Doing SETI with it?


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Steven Aggas
scholastic sledgehammer


Reged: 04/15/08

Loc: Arizona
Re: Post your home made scope new [Re: droid]
      #5708503 - 03/02/13 10:35 AM

Ok, I was keeping this on the low-down.... At the star party I host yearly for friends I always find cool things to do. http://darkskyobserving.com/OSP.html
Check out OSP IX for 2013 and the other links for previous years....

Steven


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: Steven Aggas]
      #5708545 - 03/02/13 10:55 AM

Steven thats awesome, youll have to keep us up on whether it works.

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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Post your home made scope new [Re: droid]
      #5708680 - 03/02/13 12:08 PM Attachment (113 downloads)

Four weeks ago to the day I posted the small Dob project I'm working on. It's on page 7, about 1/3 of the way down. Originally I was going to make it one piece but decided to make it a split assembly, along with a few tweaks I made along the way. There's still quite a bit of work left to do, but it's coming along nicely.

Ed D


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: Ed D]
      #5708704 - 03/02/13 12:19 PM

Beautiful wood working, did you split it due to a long focal length, or just to make it easier to handle?.

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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Post your home made scope new [Re: droid]
      #5709686 - 03/02/13 10:36 PM

Thanks for the compliment on my woodworking. I'm actually trying out a lot of ideas with the ultimate goal of one day making a 10" or 12" Dob for dark sky using this design. One of my goals is to see how inexpensive I can make it. Almost everything was fabricated from scraps or was in my miscellaneous hardware containers.

Speaking of building a Dob on the cheap, I was walking my Labrador Retriever and saw some beautiful plywood in the dumpster in front of a fire damaged home. I asked the contractor and he said that someone had dumped the wood in his trash container and I could have it. It's gorgeous 13 ply furniture grade stuff that I can make the wood parts for the 12" Dob. How cool is that!

Ed D


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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: Post your home made scope new [Re: Ed D]
      #5709923 - 03/03/13 04:26 AM

Superb woodworking, looks really cool.

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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: Post your home made scope [Re: Rutilus]
      #5709924 - 03/03/13 04:27 AM Attachment (115 downloads)

Here's my split-tube Istar 150mm f/15 lens build.

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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope [Re: Ed D]
      #5710055 - 03/03/13 07:47 AM

wow, lucky find there, and I do love recycling stuff.

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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope [Re: Rutilus]
      #5710057 - 03/03/13 07:48 AM

Quote:

Here's my split-tube Istar 150mm f/15 lens build.







PVC?


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Larry Silvestri
member


Reged: 01/29/13

Re: Post your home made scope [Re: droid]
      #5719591 - 03/07/13 11:00 PM Attachment (108 downloads)

This is a 6" f12 with a Hastings tube on my old Starliner mount. I just finished it in February. I polished the mirror with rouge till a green laser did not leave a trace on the surface. Then I tested with a 3 zone couder mask and added a bit of correction. It shows a lot of detail on Jupiter.

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