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The Tech Thread: Show your work and face the heat.


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264 replies to this topic

#51 OFFLINE   raoul5788

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Posted 21 September 2008 - 06:47 AM

Earth ground, for things like lightening. Or through some odd coincidence a short.


The grounds have nothing to do with lightening. They are to discharge static buildup. Lightening will fry virtually any wire.

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#52 OFFLINE   RobertE

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Posted 21 September 2008 - 07:04 AM

Not my best work, but the job has to go in. :lol:

http://www.dbstalk.c...=1&d=1222002209

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#53 OFFLINE   K4SMX

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Posted 21 September 2008 - 08:01 AM

Robert, I gather you did not use RG6 for a run from the LNB of that distance.....:)

You keep 1,000' foot rolls of 2" gas-pressurized Heliax on the truck, don't you?
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#54 OFFLINE   dennisj00

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Posted 21 September 2008 - 08:51 AM

What is the size of the bracket that mounts to the eve? I have a spot I'm considering mounting to but the eve is mounting with only 2" showing.


I'm not an installer, but I would take a length (at least a foot or more if you can) of treated (or painted) 2x6 and through-bolt it to the 2" exposed rafter tail. Block a same length 2X4 under it against the exposed tail.

Should be pretty solid if you can get some width to it.

Then through-bolt the bracket.

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#55 OFFLINE   Johnnie5000

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Posted 21 September 2008 - 11:45 AM

The grounds have nothing to do with lightening. They are to discharge static buildup. Lightening will fry virtually any wire.

Lightening is very unpredictable. I have seen a dish take a direct hit and it fryed everything from the dish to the wb68. The static ground from the dish turned into little gobs of copper and steel in the guys yard, the drip loops melted together, connectors were still on the LNB and 6x8; but the cables were a good two feet way (cable shot out of connectors, and the back of the wb68 exploded.

But it was properly grounded and stopped there. Granted all of the green pvc melted off of the ground line, but it saved their TV's and IRD's. The only thing that happened to any of the receivers was the light-ring on a R-15 went a little wacky.

Not saying proper grounding will always prevent TV damage when a dish is hit directly by lightening, but there's a good chance it will help out a bit.

#56 OFFLINE   Johnnie5000

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Posted 21 September 2008 - 11:50 AM

Not my best work, but the job has to go in. :lol:

You know you've got some tree branches growing out in front of that dish right :D

#57 OFFLINE   tfederov

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Posted 21 September 2008 - 12:00 PM

Before:
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- Tony

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#58 OFFLINE   dkouz

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Posted 21 September 2008 - 06:02 PM

This is one of least intrusive ways to mount a dish. All you need is 4 wood screws and maybe couple of self tappers.

http://www.dbstalk.c...=1&d=1221967536


D* does offer a 'rail mount' for this situation. It is basically two L-shaped brackets, a powder coated 2" pole, two U brackets, and several bolts to hold it all together.

#59 OFFLINE   ironwood

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Posted 21 September 2008 - 07:13 PM

http://www.dbstalk.c...88&d=1222045145

http://www.dbstalk.c...89&d=1222045340

This is some pretty neat job.

#60 OFFLINE   ironwood

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Posted 21 September 2008 - 07:21 PM

D* does offer a 'rail mount' for this situation. It is basically two L-shaped brackets, a powder coated 2" pole, two U brackets, and several bolts to hold it all together.


6 dollars for a pole from your local Home Depot or 100 dollars for a custom mount.

#61 OFFLINE   Malibu13

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Posted 22 September 2008 - 10:56 AM

Very nice! :)


While I’m not an installer, I still take pride in my own work. So here is my self-install:D This was done back in may.


[ATTACH]15671[/ATTACH]

[ATTACH]15672[/ATTACH]

[ATTACH]15673[/ATTACH] This pic still shows the ground wire from pole. I did remove this and put another ground rod at pole instead. And yes, both ground rods are bonded to my main ground.

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[ATTACH]15677[/ATTACH]


-Donnie-


#62 OFFLINE   webby_s

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Posted 22 September 2008 - 12:09 PM

This is one of least intrusive ways to mount a dish. All you need is 4 wood screws and maybe couple of self tappers.

http://www.dbstalk.c...=1&d=1221967536

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#63 OFFLINE   cweave02

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Posted 22 September 2008 - 12:55 PM

Not my best work, but the job has to go in. :lol:

http://www.dbstalk.c...=1&d=1222002209


Isn't that the dish from the James Bond movie?
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#64 OFFLINE   curt8403

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Posted 22 September 2008 - 01:56 PM

Isn't that the dish from the James Bond movie?


Aricebo, it is a spy satellite dish.
I am no longer connected with Directv or any other satellite provider

#65 OFFLINE   joe diamond

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Posted 22 September 2008 - 07:29 PM

My under eave mount isnt going anywhere... I removed the installers original oversized lag bolts and put in 4 5/8" bolts and nuts with a 1/8" thick steel plate on the back as a washer.

Also, the original installer just left the grounding wire hanging down the side of the wall. It was only secured by the electrical panel ground bracket. I tidied that up.

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Looks good but I would not use the hangers on the ground wire. IF the parging (mortar coat) comes off the wall or breaks iny time in the next few centuries there would be one of those phone calls. Your house and you did it. Looks good.

Joe

#66 OFFLINE   kevinm34232

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Posted 23 September 2008 - 04:19 AM

Looks good but I would not use the hangers on the ground wire. IF the parging (mortar coat) comes off the wall or breaks iny time in the next few centuries there would be one of those phone calls. Your house and you did it. Looks good.

Joe


Are you talking about the flex clips for the ground wire? What else would you use?

#67 OFFLINE   Mertzen

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Posted 23 September 2008 - 01:16 PM

Haven't been around for a while but good to see this one is still going strong.
Did a up to spec job yesterday but no pic since the house was just to gross to stick around too long. brrr
No longer doing DBS work, but missing every moment of it.

#68 OFFLINE   firefighter4evr

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Posted 27 September 2008 - 06:14 PM

Just wondering everyones thoughts........


Plan on doing a future install in a mobile home.. I was thinking that i would mount the dish to an outside wall on the house where ever i can get the best line of sight, run PVC piping from the dish to a small junction box (where the grounding block will be) and the PVC from there to inside the house to a closet where my mutiswicth will be... My question is do u think it be worth the effort to run PVC from the closet to each box in the wall where my TV's will be? Just wondered how well they would hold up under the mobile home... I don't plan on having any splices in the line under there, it would be a straight unbroken run from the closet to the boxes.

also i plan on running Cat5 lines with my sat feeds to each box... thats part of the reason why i thought of running PVC from the closet to the wall boxes.....:rolleyes:

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#69 OFFLINE   erict

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Posted 27 September 2008 - 06:51 PM

Just wondering everyones thoughts........


Plan on doing a future install in a mobile home.. I was thinking that i would mount the dish to an outside wall on the house where ever i can get the best line of sight, run PVC piping from the dish to a small junction box (where the grounding block will be) and the PVC from there to inside the house to a closet where my mutiswicth will be... My question is do u think it be worth the effort to run PVC from the closet to each box in the wall where my TV's will be? Just wondered how well they would hold up under the mobile home... I don't plan on having any splices in the line under there, it would be a straight unbroken run from the closet to the boxes.

also i plan on running Cat5 lines with my sat feeds to each box... thats part of the reason why i thought of running PVC from the closet to the wall boxes.....:rolleyes:


No I don’t think it’s worth the effort. Just use a good quality cable and you’ll be good to go. Not sure how good your access is underneath but the only advantage it would be is if you had to replace one of the runs for some reason. That way you wouldn’t have to crawl back under your crawl space.

#70 OFFLINE   samrs

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Posted 27 September 2008 - 07:12 PM

The outside wall of a mobile home isn't a very solid location for a satellite dish. You might consider a pole.

#71 OFFLINE   Steve615

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Posted 09 October 2008 - 12:31 PM

I'm not a tech,installer or anything like that.
But,I have enjoyed this thread since it was created.
Thought I would give it a bump to see if anyone else has any new/recent work they would like to post/discuss. :)

Steve


#72 OFFLINE   joe diamond

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Posted 09 October 2008 - 01:18 PM

Are you talking about the flex clips for the ground wire? What else would you use?


Nothing,

Show the customer and let them glue it or give them some flex clips. When these systems come down the holes left by clips make folks want to sue somebody.

I have been sent on service calls where the customer wanted me to replace a whole wall of siding because another tech used ROKA clips every 18" down the middle of a wall to connect a dish to a ground block.

It is a form or function thing. I have been led around by the nose by customers who did not care how stuff works...they want it invisible.

Your job is neat and correctly done but...those holes!

Joe

#73 OFFLINE   David MacLeod

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Posted 09 October 2008 - 01:23 PM

I'm not a tech,intaller or anything like that.
But,I have enjoyed this thread since it was created.
Thought I would give it a bump to see if anyone else has any new/recent work they would like to post/discuss. :)


if you promise to disregard the temp cable runs tomorrow I'll post my mounting to vinyl on mobile home that you can hang off.
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#74 OFFLINE   joe diamond

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Posted 09 October 2008 - 01:27 PM

Just wondering everyones thoughts........


Plan on doing a future install in a mobile home.. I was thinking that i would mount the dish to an outside wall on the house where ever i can get the best line of sight, run PVC piping from the dish to a small junction box (where the grounding block will be) and the PVC from there to inside the house to a closet where my mutiswicth will be... My question is do u think it be worth the effort to run PVC from the closet to each box in the wall where my TV's will be? Just wondered how well they would hold up under the mobile home... I don't plan on having any splices in the line under there, it would be a straight unbroken run from the closet to the boxes.

also i plan on running Cat5 lines with my sat feeds to each box... thats part of the reason why i thought of running PVC from the closet to the wall boxes.....:rolleyes:


Try to mount the dish so you can ground to the rod at the electric meter.
You may get away with mounting an 18" dish mast in the 2 x 2 frame that goes around trailer windows but.......as others have mentioned..there is really nothing to mount a dish to on a trailer.

Often there is rubber moulding near the skirt and this can be used to run cable & hide wire. Otherwise run it underneath with quick ties.

There is a combo cable that has two RG6 lines and 2 Cat 5 lines that, while expensive, would be great for what you plan. You just have to get the dish near the phone NID and ground point.

Joe

#75 OFFLINE   David MacLeod

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Posted 09 October 2008 - 01:46 PM

edited 11-1-08 to combine posts.
disregard cabling om 1-3, this was temp and is corrected in other pics. everything will be weatherproofed since snow will climb up 3/4 of way to mount. bottom of mount plate is 6 feet off ground.

I can't mount on roof due to snow, I drift 3+ feet every storm and can't always get to raking it immediately. this type of mounting has worked for 4 years on DirecWay and D* dishes. this location is new, but the type of mount was the same on other side of house. I had to move it due to some trees growing 12 feet this year.

I can hang off this without moving it, right now its gusting 35 and its not even vibrating. the top 2x4 for poles will be weatherproofed this weekend with paint and sealant.
total of ten 1/4 x 4 1/2 lag bolts holding the 2x4's onto the 2x6 wall studs. those are not just bolted to the siding. although not in studs, there are also the 8 lag bolts holding the mount plate and monopoles (3 inch lags) onto the supports.
it takes a 200 lbs fat man hanging on it without moving.
ground block is weatherproofed and enclosed now.

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