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Equipment Discussions >> Observatories

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Skyshed POD Still Leaks new
      #5741385 - 03/18/13 06:41 PM

I finally had a good weekend to take the dome off my used POD that I've had since November, leaking all the time. I resealed the dome seams and put on new L-rubber just like in the videos. Today it rained and there is still a leak at one of the pivot points. I have now done everything I know to do and I still have a leak. The good news is that instead of the three leaks I had before, I now only have the one. Do you think that I could just keep a bucket under the one leak and empty it after each rain? I worry most about mildew forming on my scopes if I leave them in there. If I collect and empty the water, though, shouldn't that keep the ambient moisture down enough that things will be alright? I'm really upset and have yet to use my POD. It is actually causing problems with my wife who keeps questioning why I spent so much on a leaky observatory I am afraid to use. I told her I could buy a cover and she got really angry about me having to spend more money on it. She already thinks it is an eyesore in her back yard. She would accept it if I could just use the blasted thing.

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Escher
Pooh-Bah
*****

Reged: 08/30/07

Loc: Fenton, MI
Re: Skyshed POD Still Leaks new [Re: Jmax]
      #5741398 - 03/18/13 06:47 PM

The pivot joints need a bit of extra attention.

Check out the Skyshed POD mailing list and folks will get you sorted out rapidly... but I'll get you going.

I picked up the thickest stickyback weather seal I could find at Home Depot. I then attached that so that it filled up the entire gap between the halves.... the stock foam didnt fill the gap.

Then, take a bit of the rubber seal and overlap the joint (like a 3 inch section) so that water is directed away from the joint. THis smaller piece will need to be pulled out of the joint each time you close the dome... I need to take pics to show you, but its raining / sleeting today.

If I remember to pull the seal out when I close up, I'm water tight...

I'm sure Wayne from Skyshed will chime in as well...

Edited by Escher (03/18/13 07:01 PM)


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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Re: Skyshed POD Still Leaks new [Re: Escher]
      #5741462 - 03/18/13 07:11 PM

I did all that, overlapping the l-rubber and everything. It appears to me that on my unit the secondary dome is molded with a natural low point just at that pivot so that water pools around the l-rubber gasket. It then seeps under the gasket. I honestly don't know if anything will work except a cover. Do you think my bucket solution will work if all else fails?

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Escher
Pooh-Bah
*****

Reged: 08/30/07

Loc: Fenton, MI
Re: Skyshed POD Still Leaks new [Re: Jmax]
      #5741491 - 03/18/13 07:24 PM

Try rotating the dome to a different position?

The bucket thing will likely work... But its not my first choice...

I'd probably try a few more layers of foam in the space and see if you can get it tight...


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t.r.
Post Laureate
*****

Reged: 02/14/08

Loc: Upstate NY
Re: Skyshed POD Still Leaks new [Re: Escher]
      #5741687 - 03/18/13 08:38 PM

People are anal enough to put desiccant silica gel packs in their dry equipment cases kept indoors...but you are going to allow dripping rain water into your obs?!?!

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SkyShed
Vendor (Sky Shed)


Reged: 05/23/05

Loc: Staffa , ON
Re: Skyshed POD Still Leaks new [Re: Escher]
      #5741688 - 03/18/13 08:38 PM

Hi Jmax,

Yes I'm sure we can get you fixed up. Email us some photos so we can see what's going on. 1000-1400 pixels wide is a good size for emailing.

Email to info@skyshedpod.com

Let me know who you bought it from so we can look up the unit's history.

CS!
Wayne


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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Re: Skyshed POD Still Leaks new [Re: t.r.]
      #5741792 - 03/18/13 09:22 PM

You obviously don't know my wife. I'd rather risk damage to my astronomy equipment than to my neck if I don't use the thing soon.

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Re: Skyshed POD Still Leaks new [Re: SkyShed]
      #5741933 - 03/18/13 10:20 PM

Wayne,

I just emailed you six pictures that I took while the POD is still wet. I hope you can help. I appreciate the quick response here, and I will keep everyone at CN posted on getting the leak stopped.

John


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1965healy
The Snarkster
*****

Reged: 06/23/07

Loc: San Antonio, TX
Re: Skyshed POD Still Leaks new [Re: Jmax]
      #5741973 - 03/18/13 10:38 PM

Quote:

You obviously don't know my wife. I'd rather risk damage to my astronomy equipment than to my neck if I don't use the thing soon.



You might just want to go sit in it and read a book with the opening pointed away from the house! If she comes out to check on you tell her you're reviewing a star atlas to prepare your viewing schedule. Look busy and happy. Tell her she's the best.


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wolfman_4_ever
Pooh-Bah


Reged: 07/15/11

Loc: El Segundo, Ca, So. Cal
Re: Skyshed POD Still Leaks new [Re: 1965healy]
      #5742006 - 03/18/13 11:02 PM

uh.. why not just use the dome cover.. that's what I do.. as an astronomer, hopefully we are all aspiring meteorologists.. I find my skills much better than any weather person in Los Angeles.. They would do a better job of predicting the weather if they just went outside and looked "up"

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Re: Skyshed POD Still Leaks new [Re: wolfman_4_ever]
      #5742058 - 03/18/13 11:44 PM

As I said, my wife will kill me if I spend anymore money on it.

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Midnight Dan
Postmaster
*****

Reged: 01/23/08

Loc: Hilton, NY, Yellow Zone (Bortl...
Re: Skyshed POD Still Leaks new [Re: Jmax]
      #5742348 - 03/19/13 06:57 AM

Quote:

Wayne,

I just emailed you six pictures that I took while the POD is still wet. I hope you can help. I appreciate the quick response here, and I will keep everyone at CN posted on getting the leak stopped.

John




You may want to post the pictures here too. You could get ideas from people here who might have had similar experiences.

-Dan


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mattw
sage


Reged: 07/19/06

Loc: Arkansas
Re: Skyshed POD Still Leaks new [Re: Midnight Dan]
      #5742470 - 03/19/13 09:08 AM

I agree with posting the pics here, especially from
the outside, with the dome completely closed, to confirm
that there is no downward sag at the pivot point axis.
Any downward sag here is a recipe for a leak.


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BSJ
Pooh-Bah
*****

Reged: 12/22/08

Loc: Grand Isle, VT
Re: Skyshed POD Still Leaks [Re: mattw]
      #5742496 - 03/19/13 09:31 AM

A bucket with a drain hose...?

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zawijava
scholastic sledgehammer
*****

Reged: 10/06/07

Loc: Wells, Maine 04090
Re: Skyshed POD Still Leaks new [Re: wolfman_4_ever]
      #5742740 - 03/19/13 11:42 AM

IMHO I would find that extremely frustrating to have spent that much money on a Observatory only to have to spend more on a cover because it leaks.....not to mention the added step of covering/uncovering whenever it looked like rain

-Tim

Quote:

uh.. why not just use the dome cover.. that's what I do..




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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Picture 1 new [Re: Jmax]
      #5742780 - 03/19/13 12:02 PM Attachment (30 downloads)

Here is the picture of the outside showing the half where the leak is. It is hard to tell from any of the pictures, but water definitely pools in a low spot on the secondary dome overhang, right at the pivot point on this side.

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Picture 2 new [Re: Jmax]
      #5742784 - 03/19/13 12:03 PM Attachment (25 downloads)

Here is the leak from the inside, notice the drip...

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Picture 3 new [Re: Jmax]
      #5742791 - 03/19/13 12:05 PM Attachment (22 downloads)

Here is a picture of the overlapping l-rubber at the pivot point. You can kind of see the pooling of the water, but a lot had already dried up.

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Jmax
professor emeritus
*****

Reged: 09/28/10

Loc: Alabama
Picture 4 new [Re: Jmax]
      #5742793 - 03/19/13 12:06 PM Attachment (16 downloads)

And here is the 'gutter' over the pivot joint.

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YetAnotherHobby
sage
*****

Reged: 09/02/09

Loc: Central CT
Re: Picture 3 new [Re: Jmax]
      #5742871 - 03/19/13 12:43 PM

Pic3 looks as if there is a depression running underneath the bit of weathstripping screwed onto the horizontal. Unless you can adjust that side of the dome to tilt down a bit farther, water is going to keep collecting there. My Pod doesn't show that depression, but I am thinking a tube of Lexel and some leftover weatherstrip might allow you to create a "dam" right there so the water will run off the pod rather than in. Glue the weather strip under that horizontal bit...the Lexel will fill the depression, and the weather strip will keep other bits from sticking to the Lexel.

Any chance the pivot bolts are too tight, overly squeezing the quadrant and distorting its shape?

(hard to tell from the pics, but just a thought)


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