Now to figure out how to economically do 2250+ ft (about 700m) of somewhat flexible duct through a forest...
On Wed, Jul 6, 2016 at 8:03 PM, That One Guy /sarcasm < thatoneguyst...@gmail.com> wrote: > always do a duct, always. A cable of any type is always nice, but a really > long hole is always better. When I become rich man and can put stuff in > dirt it will always be a path for something else. Expensive containers and > cheap removable innards, like those washable condoms of yore. > > On Wed, Jul 6, 2016 at 9:24 PM, Trey Scarborough <t...@3dsc.co> wrote: > >> what are you planning on using for the fiber? just laying it on the >> ground as well. I would use liquid tight and pull through some solid 18awg >> that would last the longest or some inch and a quarter duct and pull both >> through. >> >> On 7/6/2016 1:38 PM, Jeremy wrote: >> >>> Not sure what kind of rodents you have there, but I definitely recommend >>> conduit and buried. I have seen conduit not buried through the woods >>> and it gets squished and broken (if it is PVC) by Moose, deer, etc. I >>> have seen direct burial not in conduit eaten by Gophers or Voles or some >>> crap. Those kind of jobs are usually the type that you don't want to do >>> twice. >>> >>> On Wed, Jul 6, 2016 at 11:14 AM, Chuck McCown <ch...@wbmfg.com >>> <mailto:ch...@wbmfg.com>> wrote: >>> >>> Use isolation transformers. And call it a speaker wire. You are >>> sending a loud 60 cycle tone. >>> >>> *From:* Eric Kuhnke <mailto:eric.kuh...@gmail.com> >>> *Sent:* Wednesday, July 06, 2016 11:10 AM >>> *To:* af@afmug.com <mailto:af@afmug.com> >>> *Subject:* Re: [AFMUG] Practical/low-cost 18AWG copper outdoor >>> >>> Yeah, can't do either of those... Burying it to Canadian electrical >>> code compliant depth through 700 meters (2296 ft) of forest, fallen >>> trees and rocks isn't going to happen. There is the slight >>> possibility of electrical inspection based on where the power would >>> be coming from. >>> >>> Using a 110/240VAC input active PFC 200W power supply that can >>> output 54.5VDC and a DC-DC converter on the load end to bring things >>> back to normal 46-48VDC will work. >>> >>> AC to DC meanwell RSP-200-48, $41 >>> DC-DC meanwell SD-200C-48 $71 >>> >>> >>> >>> On Wed, Jul 6, 2016 at 9:44 AM, Bill Prince <part15...@gmail.com >>> <mailto:part15...@gmail.com>> wrote: >>> >>> Or you could buck it to 480VAC or more... >>> >>> >>> >>> bp >>> <part15sbs{at}gmail{dot}com> >>> >>> On 7/6/2016 9:34 AM, Chuck McCown wrote: >>> >>>> 240 AC over direct burial romex. All the power you might want. >>>> >>>> *From:* Eric Kuhnke <mailto:eric.kuh...@gmail.com> >>>> *Sent:* Wednesday, July 06, 2016 10:29 AM >>>> *To:* af@afmug.com <mailto:af@afmug.com> >>>> *Subject:* Re: [AFMUG] Practical/low-cost 18AWG copper outdoor >>>> >>>> It's looking like $0.25/ft for the cable and the singlemode >>>> fiber is less... Also the area is totally filled with trees, >>>> trees cannot be cut for various reasons, it's the side of a >>>> bluff on a hilltop. Branches and a few things in one >>>> particular direction (about 10 degrees of azimuth) would be >>>> cut to put in the PTP link. North of 49 latitude. >>>> >>>> With DC power over 14AWG it could be enough power for up to >>>> 75W of radios on the far end. Off grid solar to do this would >>>> be $4000 of panels batteries enclosure, charge controller. >>>> >>>> Very challenging site for solar, if you were to camp there you >>>> might see 2-3 hours of direct sunlight per day max due to tree >>>> shading. >>>> >>>> On Wed, Jul 6, 2016 at 8:57 AM, Bill Prince >>>> <part15...@gmail.com <mailto:part15...@gmail.com>> wrote: >>>> >>>> For that amount of cable, at 50 cents a foot, I would >>>> probably do a small solar setup. What is the latitude? >>>> >>>> >>>> bp >>>> <part15sbs{at}gmail{dot}com> >>>> >>>> >>>> On 7/5/2016 4:25 PM, Eric Kuhnke wrote: >>>> >>>> Due to terrain I'm helping somebody design a network >>>> link where a PTP radio will go on the side of a tree >>>> on the opposite side of a mountain from where AC >>>> power, a router and other network equipment is located. >>>> >>>> We're looking at 600 to 700 meters of singlemode fiber >>>> and a small NEMA4X junction box with the radio on the >>>> far side of the hill, containing a SC-SC patch cable >>>> bulkhead and a meanwell DC-DC converter. >>>> >>>> It looks like based on the wattage of the radio and >>>> voltage drop calculations for 18-2 cable that we can >>>> get away with a 56VDC power supply at the power >>>> source, dropping to not lower than 35VDC at the >>>> receiving end, which will be fed into a DC-DC >>>> converter to bring the output back up to 52.5VDC for >>>> the radio. >>>> >>>> If you had to run 600-700m of 18AWG cable outdoors >>>> through a forest, how would you do it? SJOOW type >>>> cable may not hold up over a long enough time. Ideally >>>> something that is more armored than SJOOW (it can be >>>> much less flexible if needed). Cost is somewhat of a >>>> factor. >>>> >>>> >>>> >>>> >>>> >>> >>> >>> >>> >> >> > > > -- > If you only see yourself as part of the team but you don't see your team > as part of yourself you have already failed as part of the team. >
