Just watched some youtube videos about gluing hdpe. You have to flame treat
the glue area first or it will not stick.
I presume the flame treatment actually changes the molecules in the glue zone
to be some other chemical.
From: Chuck McCown via AF
Sent: Thursday, November 11, 2021 10:41 AM
To: AnimalFarm Microwave Users Group
Cc: Chuck McCown
Subject: Re: [AFMUG] corrugated conduit
There are several glues that claims to be able to do it. I have never tried
it. I doubt they can make a strong joint.
I don’t know of any solvent that will work with HDPE.
From: Bill Prince
Sent: Thursday, November 11, 2021 10:14 AM
To: af@af.afmug.com
Subject: Re: [AFMUG] corrugated conduit
HDPE is notoriously unglue-able.
bp
<part15sbs{at}gmail{dot}com>On 11/11/2021 8:34 AM, dmmoff...@gmail.com wrote:
Ah so it’s the connectors that make blowing not work? Makes sense now.
I wonder if you could epoxy the couplers together or some other trickery.
From: AF mailto:af-boun...@af.afmug.com On Behalf Of Trey Scarborough
Sent: Wednesday, November 10, 2021 11:31 AM
To: af@af.afmug.com
Subject: Re: [AFMUG] corrugated conduit
Water blowing for long runs of fiber is actually quite common especially for
long runs. Depending on the fiber it tends to float causing less drag. In
locations like swamps and plowing shallow lakes it is done to keep the duct
from floating. When complete the duct is left flooded.
I think you would run in to issues with leakage on the corrugated duct as it
has a tendency to expand and the inside diameter can vary quite a bit. You will
also have to probably build your own couplers as standard ones for corrugated
won't hold any pressure. I have tried blowing with air through sections of it
in the past and its a nightmare. I have direct buried it for small runs between
buildings etc. I mainly use the plenum stuff that is UV rated and the biggest
issue you will run in to is you can have no medium or large rocks directly on
it or they will punch a hole or crush it when you fill the trench.
On 11/9/2021 1:07 PM, Chuck McCown via AF wrote:
It is rated for 160 but stuff will always do twice what it is rated for.
Normally the pressure sits about 50 PSI unless there is some kind of pinch.
From: Carl Peterson
Sent: Tuesday, November 9, 2021 11:04 AM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] corrugated conduit
Can this duct hold 200 psi?
On Tue, Nov 9, 2021 at 7:50 AM Chris Fabien <ch...@lakenetmi.com> wrote:
Chuck, Interesting idea. Does this scale up to long distances like
blowing does? Water seems like it would have a lot more resistance in
a mile of 1.25" pipe but perhaps with 200psi behind it that's no
issue?
On Mon, Nov 8, 2021 at 3:46 PM Chuck McCown via AF <af@af.afmug.com>
wrote:
>
> Right, they are always full of water.
> I made a proofing dart with a cup seal at the end.
> 20 GPM 200 PSI moves it along at about 5 feet per second. The pump was
remarkably cheap to build.
>
> The cable or mule tape is buoyant so that reduces friction and the
water does too. I have read about this for years but never tried it.
>
> From: TJ Trout
> Sent: Monday, November 8, 2021 1:37 PM
> To: AnimalFarm Microwave Users Group
> Subject: Re: [AFMUG] corrugated conduit
>
> Underground condit gets filled with water from condensation anyway, so
I'm sure he doesn't clean it out. I'm assuming he's using a dart and pushing it
with water to pull cable in?
>
> On Mon, Nov 8, 2021 at 12:34 PM Bill Prince <part15...@gmail.com> wrote:
>>
>> I don't understand how that works (with water). Seems like it would be
a
>> pain to get it out? or do you just leave it in there?
>>
>>
>> bp
>> <part15sbs{at}gmail{dot}com>
>>
>> On 11/8/2021 11:59 AM, Chuck McCown via AF wrote:
>> > Cheap is a selling point for me. We have started to put stuff down
>> > conduit with water rather than air. So far it is much better than
air.
>> >
>> > -----Original Message----- From: Chris Fabien
>> > Sent: Monday, November 8, 2021 10:33 AM
>> > To: AnimalFarm Microwave Users Group
>> > Subject: Re: [AFMUG] corrugated conduit
>> >
>> > I would just use normal duct of whatever size is appropriate . That
>> > just doesn't look as sturdy as solid wall of plastic. Looks like
being
>> > more flexible is the key selling point.
>> >
>> > On Thu, Nov 4, 2021 at 7:02 PM Chuck McCown via AF <af@af.afmug.com>
>> > wrote:
>> >>
>> >> No, not smurf tube. It is corrugated micro duct.
>> >>
>> >> Sent from my iPhone
>> >>
>> >> On Nov 4, 2021, at 4:02 PM, Josh Luthman
>> >> <j...@imaginenetworksllc.com> wrote:
>> >>
>> >>
>> >> The cheap stuff from Home Depot? That sounds like a nightmare.
>> >>
>> >> Josh Luthman
>> >> 24/7 Help Desk: 937-552-2340
>> >> Direct: 937-552-2343
>> >> 1100 Wayne St
>> >> Suite 1337
>> >> Troy, OH 45373
>> >>
>> >>
>> >> On Thu, Nov 4, 2021 at 4:08 PM Chuck McCown via AF <af@af.afmug.com>
>> >> wrote:
>> >>>
>> >>> There is HDPE versions that are designed for direct burial.
>> >>>
>> >>> From: Bill Prince
>> >>> Sent: Thursday, November 4, 2021 2:04 PM
>> >>> To: af@af.afmug.com
>> >>> Subject: Re: [AFMUG] corrugated conduit
>> >>>
>> >>>
>> >>> That orange stuff? I would not think it is outdoor rated, nor would
>> >>> it hold up if buried.
>> >>>
>> >>>
>> >>>
>> >>> bp
>> >>> <part15sbs{at}gmail{dot}com>
>> >>>
>> >>> On 11/4/2021 12:56 PM, Chuck McCown via AF wrote:
>> >>>
>> >>> Conduit. Like 1/2” corrugated microduct.
>> >>>
>> >>> From: Bill Prince
>> >>> Sent: Thursday, November 4, 2021 1:41 PM
>> >>> To: af@af.afmug.com
>> >>> Subject: Re: [AFMUG] corrugated conduit
>> >>>
>> >>>
>> >>> You talking about conduit or culvert?
>> >>>
>> >>> We replaced all of our old corrugated (galvanized) culvert(s) with
>> >>> the plastic stuff that's corrugated on the outside and smooth wall
>> >>> on the inside. Way better stuff because it doesn't trap stuff.
>> >>>
>> >>>
>> >>>
>> >>> bp
>> >>> <part15sbs{at}gmail{dot}com>
>> >>>
>> >>> On 11/4/2021 12:30 PM, Chuck McCown via AF wrote:
>> >>>
>> >>> Anyone have any opinions about using cheap corrugated conduit for
>> >>> areas where the ditch is already open?
>> >>> I have never used it. I worry it is not terribly strong and you
>> >>> probably can’t blow it.
>> >>>
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