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Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing

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petemumbower
Carpal Tunnel


Reged: 07/12/09

Loc: West Michigan
Re: Cables - bundled or dragging? new [Re: David Pavlich]
      #5517419 - 11/13/12 08:31 AM

What diameter split tube works for most? I have some at home, but I think it is fairly small (1/2" maybe)

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andyschlei
professor emeritus


Reged: 03/05/06

Loc: Los Angeles, CA
Re: Cables - bundled or dragging? new [Re: petemumbower]
      #5517798 - 11/13/12 12:07 PM

Quote:

What diameter split tube works for most? I have some at home, but I think it is fairly small (1/2" maybe)




I found 1/2" a little tight (it can be hard to get the cable into the loom). I am using 3/4" and 1", but am putting pretty many cables inside.


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Alex McConahay
Carpal Tunnel


Reged: 08/11/08

Loc: Moreno Valley, CA
Re: Cables - bundled or dragging? new [Re: andyschlei]
      #5518587 - 11/13/12 07:49 PM

Just remember that the bundled cables in the sheath will be less flexible than the looser cables. Not a problem if you take that into account. Important thing, I think, is to have a few places (Right ascension, declination hubs) where things are loose, and the rest pretty tight.That way you have less chance of tangling.

Alex


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Phillip Easton
sage


Reged: 12/24/10

Loc: DFW
Re: Cables - bundled or dragging? new [Re: Alex McConahay]
      #5614018 - 01/09/13 04:22 PM

Guys,

Thanks for all the advice! I just completed my own power/USB hub and posted the details on my site in case others are interested.

http://www.the3dwizard.net/index.php/2-uncategorised/20-mount-power-usb-distr...

Now, of course after I finish this we are having record rain in the Texas! Guess DIY astro gear is better than washing a car to stimulate a downpour


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CharlesW
Pooh-Bah


Reged: 11/02/12

Loc: Chula Vista & Indio, CA
Re: Cables - bundled or dragging? new [Re: Phillip Easton]
      #5614085 - 01/09/13 04:58 PM

I had thought about bundling for a while now but isn't it true that one connector will be supporting the weight of all the cables unless some other measure is taken to support them?

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Mike Clemens
Frozen to Eyepiece
*****

Reged: 11/26/05

Loc: Alaska, USA
Re: Cables - bundled or dragging? new [Re: CharlesW]
      #5614218 - 01/09/13 06:22 PM

Quote:

I had thought about bundling for a while now but isn't it true that one connector will be supporting the weight of all the cables unless some other measure is taken to support them?




All cables should be fastened down on both ends as strain relief, before any of them go to a connector. Hard to see in this pic, but on both ends of the tether, all cables are tie wrapped down, before distributing to their terminations.
http://www.pbase.com/mclemens1969/image/108048303/original


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Alex McConahay
Carpal Tunnel


Reged: 08/11/08

Loc: Moreno Valley, CA
Re: Cables - bundled or dragging? new [Re: CharlesW]
      #5614370 - 01/09/13 07:44 PM

One element of my cable bundle is a hook that attaches to the camera independent of the electrical connectors. ALl the weight/strain is on that connector. It is hooked to an eyescrew (a little screw with a round head in the shape of an eyelet). The eyescrew connects to the "Tripod" connector on the bottom of the camers. This is a standard 1/4-20 screw hole.

Alex


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frozen.kryo
super member


Reged: 01/28/11

Loc: East of the Sun, West of the M...
Re: Cables - bundled or dragging? new [Re: Phillip Easton]
      #5614506 - 01/09/13 09:10 PM

Here's my cable management. The other side.

I don't change OTAs and have the C11 permanently mounted. For this kind of setup, I find that the space between the OTA and the dovetail very beneficial for cable routing.


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Phillip Easton
sage


Reged: 12/24/10

Loc: DFW
Re: Cables - bundled or dragging? new [Re: frozen.kryo]
      #5614617 - 01/09/13 10:30 PM

Ah, not only for routing but maybe put my excess cable under the OTA? Would certainly look better.

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frozen.kryo
super member


Reged: 01/28/11

Loc: East of the Sun, West of the M...
Re: Cables - bundled or dragging? new [Re: Phillip Easton]
      #5614771 - 01/10/13 12:33 AM

Exactly!

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Yoddha
Vendor (APT)
*****

Reged: 09/25/08

Loc: Sofia-Bulgaria
Re: Cables - bundled or dragging? new [Re: frozen.kryo]
      #5614887 - 01/10/13 03:40 AM

Here is my implementation of bundling.

http://ideiki.com/astro/otherimages/cables.jpg

I also use Vlecro and don't separate the cables when packing up. This helps to setup faster


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