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Groups > sci.electronics.design > #453559

Re: ot drilling glass

From John Larkin <jjlarkin@highlandtechnology.com>
Newsgroups sci.electronics.design
Subject Re: ot drilling glass
Date 2017-03-25 08:53 -0700
Organization highland technology
Message-ID <9c4ddc1ksel90aefecffrr45enrtt6v68i@4ax.com> (permalink)
References (4 earlier) <3ej5dcpu31uhn5h3kqf2dqt5aht42lpjt1@4ax.com> <kKOdncOpHftCQk_FnZ2dnUU7-L3NnZ2d@giganews.com> <ef080897-aa8f-4a44-a5d2-a19a9d877b57@googlegroups.com> <tlmadcdbrlp6pceh2u7dg47jult2135hdn@4ax.com> <58d61abc$0$41904$c3e8da3$3a1a2348@news.astraweb.com>

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On Sat, 25 Mar 2017 18:22:33 +1100, Clifford Heath
<no.spam@please.net> wrote:

>On 25/03/17 04:45, John Larkin wrote:
>> On Wed, 22 Mar 2017 18:50:30 -0700 (PDT), George Herold
>> <gherold@teachspin.com> wrote:
>>
>>> On Wednesday, March 22, 2017 at 4:34:46 PM UTC-4, John Robertson wrote:
>>>> On 2017/03/22 12:23 PM, John Larkin wrote:
>>>>> On Wed, 22 Mar 2017 11:29:23 -0700 (PDT), "dcaster@krl.org"
>>>>> <dcaster@krl.org> wrote:
>>>>>
>>>>>> On Wednesday, March 22, 2017 at 1:56:31 PM UTC-4, John Larkin wrote:
>>>>>>>
>>>>>>> There are services that will drill little holes and refill with inert
>>>>>>> gas, but if the seal is leaky that probably won't last.
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> John Larkin         Highland Technology, Inc
>>>>>>>
>>>>>>> jlarkin att highlandtechnology dott com
>>>>>>> http://www.highlandtechnology.com
>>>>>>
>>>>>> Have not tried it, but if you drill two holes you can flush the cavity with Argon or CO2.  Both of those gases have high weights and will increase the thermal resistance.  Seal the holes with Silicon Caulk.
>>>>>>
>>>>>>                                       Dan
>>>>>
>>>>> I considered that, but if the seals are leaky the gas might get out
>>>>> again, like the original gas did. I don't know if that would take
>>>>> weeks or years. Freeze spray/duster might be a good
>>>>> high-molecular-weight gas. Or propane, if you don't mind a mild
>>>>> explosion hazard.
>>>>>
>>>>> Drilling one hole seems to work. I've done inside and outside and both
>>>>> were OK.
>>>>>
>>>>> Maybe when it rains, the seals get wet and the glass cools down, so
>>>>> that sucks water inside.
>>>>>
>>>>>
>>>>
>>>> So, you drilled two holes? One inside and the other outside and simply
>>>> left them? Interesting. I would think an outside hole would bring rain
>>>> water into the window, or are they sheltered enough to keep that risk away?
>>>>
>>>> Or just one hole, but it didn't seem to matter if it was inside or outside?
>>>>
>>>> Where are you drilling the holes? Top, bottom, middle...? Same height
>>>> inside and out?
>>>>
>>>> Hole size? 1/8", 1/16", 1/2"?
>>>>
>>>> Climate? West coast - rarely below freezing rarely above 25C, mountain -
>>>> goes to 40 below and sits there for a few days, or central - ten to
>>>> twenty below winter, 30C to 40C summer?
>>>>
>>>> John
>>>
>>> Hmm rain, does a small hole 1/16" (say) make it better?
>>> (Liquids is not something I know a lot about...
>>> besides liking the beer.)
>>> When does a hole go from being a ~2 dimensional thing,
>>> to 3-D (with a length)?
>>>
>>> George H.
>>
>> I think a *very* small hole would be fine, and keep out bugs. Outside,
>> it could slope up to keep out rain. I need a drill that can do that.
>
>With a small hole, capillary action will dominate over the angle.

Then it should be the right size.

I think what matters is to equalize any thermally-driven pressure
differences between the inside and outside, particularly negative
pressure inside that will suck in water through degraded seals.

Double-pane windows are absurdly unreliable. They need redesign.


-- 

John Larkin         Highland Technology, Inc

lunatic fringe electronics 

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Thread

ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 10:18 -0700
  Re: ot drilling glass Bill Martin <wwm@wwmartin.net> - 2017-03-22 10:32 -0700
    Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-22 11:23 -0700
      Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 14:28 -0500
        Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:35 -0700
    Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:15 -0700
      Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 14:31 -0500
        Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:44 -0700
          Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 16:22 -0500
        Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 18:37 -0700
          Re: ot drilling glass krw@notreal.com - 2017-03-22 22:25 -0400
            Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 20:06 -0700
            Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 21:06 -0700
              Re: ot drilling glass krw@notreal.com - 2017-03-23 13:13 -0400
          Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-22 19:56 -0700
            Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 20:24 -0700
            Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 21:07 -0700
              Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-22 22:54 -0700
              Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-23 04:50 -0700
      Re: ot drilling glass jurb6006@gmail.com - 2017-03-22 13:24 -0700
        Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 17:11 -0400
        Re: ot drilling glass amdx <nojunk@knology.net> - 2017-03-22 16:17 -0500
      Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-22 15:36 -0700
      Re: ot drilling glass gregz <zekor@comcast.net> - 2017-03-24 07:55 +0000
        Re: ot drilling glass krw@notreal.com - 2017-03-24 22:50 -0400
    Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 14:26 -0500
      Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:49 -0700
        Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 18:41 -0700
    Re: ot drilling glass Robert Baer <robertbaer@localnet.com> - 2017-03-22 19:45 -0800
  Re: ot drilling glass krw@notreal.com - 2017-03-22 13:37 -0400
    Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 10:56 -0700
      Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-22 11:29 -0700
        Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:23 -0700
          Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-22 13:34 -0700
            Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 14:23 -0700
            Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 18:50 -0700
              Re: ot drilling glass John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-03-24 10:45 -0700
                Re: ot drilling glass Clifford Heath <no.spam@please.net> - 2017-03-25 18:22 +1100
                Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-25 08:53 -0700
                Re: ot drilling glass krw@notreal.com - 2017-03-25 13:05 -0400
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-25 16:18 -0700
                Re: ot drilling glass krw@notreal.com - 2017-03-25 20:40 -0400
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 08:07 -0700
                Re: ot drilling glass krw@notreal.com - 2017-03-26 20:09 -0400
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 17:43 -0700
                Re: ot drilling glass krw@notreal.com - 2017-03-26 20:50 -0400
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-25 16:17 -0700
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-25 20:12 -0700
                Re: ot drilling glass pcdhobbs@gmail.com - 2017-03-26 04:39 -0700
                Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-26 05:17 -0700
                Re: ot drilling glass pcdhobbs@gmail.com - 2017-03-26 06:03 -0700
                Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-26 09:15 -0700
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 10:54 -0700
                Re: ot drilling glass "dcaster@krl.org" <dcaster@krl.org> - 2017-03-26 18:43 -0700
                Re: ot drilling glass bill.sloman@ieee.org - 2017-03-27 19:21 -0700
                Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-28 09:30 -0700
                Re: ot drilling glass Clifford Heath <no.spam@please.net> - 2017-03-27 08:11 +1100
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-28 06:45 -0700
                Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-28 08:08 -0700
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-28 08:48 -0700
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 08:08 -0700
                Re: ot drilling glass Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-03-26 16:16 -0400
                Re: ot drilling glass Mikko OH2HVJ <mikko.syrjalahti@nospam.fi> - 2017-03-26 22:10 +0300
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-28 06:58 -0700
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-28 07:18 -0700
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-28 08:41 -0700
                Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-28 08:13 -0700
                Re: ot drilling glass bill.sloman@ieee.org - 2017-03-28 16:52 -0700
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-28 19:52 -0700
                Re: ot drilling glass bill.sloman@ieee.org - 2017-03-28 20:35 -0700
                Re: ot drilling glass pcdhobbs@gmail.com - 2017-03-26 04:44 -0700
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 08:10 -0700
                Re: ot drilling glass pcdhobbs@gmail.com - 2017-03-26 09:37 -0700
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 10:58 -0700
                Re: ot drilling glass Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-03-26 16:18 -0400
                Re: ot drilling glass tabbypurr@gmail.com - 2017-03-26 17:42 -0700
      Re: ot drilling glass krw@notreal.com - 2017-03-22 20:12 -0400
        Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 17:24 -0700
          Re: ot drilling glass krw@notreal.com - 2017-03-22 20:46 -0400
            Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 21:14 -0700
              Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-22 22:58 -0700
              Re: ot drilling glass krw@notreal.com - 2017-03-23 13:15 -0400
                Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-23 12:10 -0700
                Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-23 15:28 -0400
                Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-23 14:06 -0700
                Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-23 20:48 -0400
                Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-23 18:05 -0700
                Re: ot drilling glass krw@notreal.com - 2017-03-23 20:31 -0400
              Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-23 15:25 -0400
                Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-23 17:37 -0700
  Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 13:44 -0400
  Re: ot drilling glass Kevin Glover <kevinfglover@yahoo.com> - 2017-03-22 11:22 -0700
  Re: ot drilling glass John Robertson <spam@flippers.com> - 2017-03-22 11:44 -0700
    Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 15:07 -0400
      Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-22 12:19 -0700
        Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 15:51 -0400
          Re: ot drilling glass Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-22 13:58 -0700
            Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 17:05 -0400
              Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 16:26 -0500
                Re: ot drilling glass rickman <gnuarm@gmail.com> - 2017-03-22 18:00 -0400
    Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:30 -0700
      Re: ot drilling glass George Herold <gherold@teachspin.com> - 2017-03-22 18:29 -0700
        Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 21:16 -0700
    Re: ot drilling glass Mikko OH2HVJ <mikko.syrjalahti@nospam.fi> - 2017-03-22 21:36 +0200
      Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 12:54 -0700
    Re: ot drilling glass Jon Elson <jmelson@wustl.edu> - 2017-03-22 14:39 -0500
  Re: ot drilling glass alan.yeager.2013@gmail.com - 2017-03-23 18:07 -0700
  Re: ot drilling glass tabbypurr@gmail.com - 2017-03-24 04:20 -0700
    Re: ot drilling glass John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-24 09:04 -0700

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