TV mounted - vibration - Page 3 - Fiberglass RV


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Old 08-08-2013, 04:27 PM   #29
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Quote:
Originally Posted by jwcolby54 View Post
My original post said:

"Has anyone permanently mounted a smallish TV, perhaps 32-37 inch in the rv then towed it while it is mounted?"

I just see a LOT of posts on a LOT of subjects where the OP asks a question only to be informed that XYZ having nothing whatsoever to do with his question.


PS, I really love FGRV.com and have spent countless hours reading all kinds of really great stuff here. This is a great community! I am new to FGRVs, in fact I am just about to go pick up mine, purchased a month ago and waiting for me 800 miles away.
I would advise you to talk to Ed Harris on this subject,but I would think that there would be very little difference in the effects of bumps and vibration within the size range of televisions which will fit inside a Scamp, as long as the mount is designed stable and strong enough to handle the load.
My 9 YO Sharp is likely heavier than some newer LED backlit models nearing twice it's size.
Still I felt it necessary to design my own mount and reinforce the wall to which it was mounted.
That may or may not be seen by you as useful information, but it was certainly NOT intended to annoy you!
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Old 08-08-2013, 04:39 PM   #30
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Forget the TV and get a dog.
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Old 08-08-2013, 04:41 PM   #31
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let's not start in that direction again
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Old 08-08-2013, 05:10 PM   #32
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ROTFL. Not annoyed, and I'd love a puppy!

However like I said, it's not a TV, or at least not used as one.

I went on a business trip to Oregon. I made the Oregon gathering BTW! Cool stuff.

I was there for 3 weeks and never turned the TV on in my hotel room! Just not a TV kinda guy.

I built a media server for the wife and kids. Ripped 500+ movies to hard disk (many of them Blues Clues and the like), 250 CDs to MP3s to disk, photos, home video. Quite cool, all stored on an UnRaid server.

My son and wife stored entire seasons of various TV shows on disk.

I will sit down to watch a movie with my son, but other than that, I am not interested. The family OTOH are glued to the thing.
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Old 08-08-2013, 05:44 PM   #33
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Quote:
Originally Posted by jwcolby54 View Post
Has anyone permanently mounted a smallish TV, perhaps 32-37 inch in the rv then towed it while it is mounted? I am wondering about the vibrations killing the display.

Any experience here?
I can only speak to part of your question so I hope you find a speck of useable information. I think the pertinent analogy would be related to the TV/monitor's weight? Or to the ruggedness of the guts of said unit?

Mine is a Toshiba 13" combo TV/VCR with a CRT display that plays VHS tapes. I installed a "ceiling mount" rack to the bottom of the "Child's Upper Bunk" to hold the unit in July 2006, and it's been there ever since. I added an RCA Digital Tuner when broadcast switched from analog to digital, but there have been no problems at all for 7 years.
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Old 08-08-2013, 06:03 PM   #34
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Thanks Fredrick. I am looking for vibration issues for sure. One of my concerns is the vibration in an LCD TV, really of any size, plus the mounting issues of a large TV.

I have been in electronics my whole life. Connectors are always an issue for vibration. But in the typical LCD the little florescent tubes they use for edge lighting could be an issue as well. Nowadays those are going away being replaced with LEDs of various configurations. That seems perhaps a win, though it also comes back to connectors. I know they are trying to get tricky with turning those on and off so perhaps more connections than the tube type. That is pure conjecture however.

It does seem to me that as anything gets larger the vibrations move down in frequency so larger TVs would vibrate slower, probably reducing the effects on the things inside.

In the end real world experience says more than conjecture. I figured with "boys and their toys" someone (guy) would have tried to mount a 55" TV across the entire back of the rig!

One of my problems is that I really need a high resolution display, and all the small TVs tend to be 720p. For my purposes (having nothing to do with TV watching display quality) the more pixels the better. I looked at the 32" at Sams and didn't see a single one that wasn't 720P.
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Old 08-08-2013, 06:18 PM   #35
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Kind of tough to be helpful at this point as my heart is not as in it as before but here goes.

In the context of our tiny trailers a 32" TV is just silly in general.
So looking back at your initial post here I thought you were being sarcastic!
I do want to know where you think a TV that size can go in a 16' Scamp?

Since you are in such command of personal space while working and know that you can work with a 24" monitor 2' from your face simple physics seems to dictate placing a 24" monitor 2' from your face in a 16' Scamp and calling it a day!

A lot of us have done this and have been sharing the experience so you can see just how.

Since you have yet to travel in your 13' space maybe it would be helpful to wait until you do and then decide if you still find a set that large is merited.

Then maybe share with us exactly which monitor you are looking to mount and look for specific help as that seems to be your need.

I am also sure you know that the bigger the set the higher the native resolution is required if you are going to get more actual information on the screen. Most sets over 24" seem to have the same or lower resolution as a computer monitor than the smaller sets and this yields a much blockier looking pixel density and the spacing makes the output less clear not more.

I have a hard time explaining to customers that it is not a given that the bigger screens will look that great as a computer monitor.
I suggest a Mac for those who need the extra size and will use it a short distance as their font scaling and smoothing make watching at bigger sizes easier in general.

I have a Mac Mini mounted in my Casita and run the output to multiple monitors in there to do exactly what you describe. I have big drives filled with content as it can be hard to receive broadcast TV while camping.

I also Remote in on VPN connections while camping to service systems and need to be able to monitor many different resolutions at the other end and this is often hard to do with too high resolution a monitor which is why I carry a few options for them.

If you do remain determined to go huge in an Egg then as I suggested earlier as long as the mount to the TV is sound and the set can ride with the trailers vibration I think it will be fine.
Again I need to know where you think it can fit before being more specific about any details of a mount?

I might also build the set into a slim enclosure that can be set down on the counter or table or even hung from above while parked but then be stowed safely while in transit,this way you can protect the display while still having quick setup if the cabling is right.

Peerless and Chief and Bretford,etc. all make shock absorbing mounting hardware but mostly it is for much bigger displays and for an environment subject to predictable vibration or seismic activity.

But most of all,if you intend to come in here and ask for help and choose not to be as specific as possible with an out of the ordinary issue you certainly have no room to be nasty about things if you don't get "Focused" enough answers from us.

If you had explained from the start the exact nature of your question so that we could understand the unusual specifics that you went to such length to spring on us later I am sure this would have turned out differently.

Hope this is helpful?
Ed
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Old 08-08-2013, 06:48 PM   #36
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I work for a a/v rental company, we have tons of lcd tv and tons of consumer or proffessionnal auido and video equipment...we ship them from offices to offices in all over the world daily to serve our clients......shipping could theorically cause vibration problems but it does not very often..yes it happens but it will happen with equipement composed of cards that snaps into main boards(like computers) otherwise its not a really problem.

I have open up quite afew of the smaller tv units and really there just nothing inside of them. One main board, connection pannel(mostof the time intergrated to the main board) , the buttons conneted by a flat cable most of the time the connetor is a lockable one so no problem there.and the speakers... The light tube is usually glued there and will not move.... You have to see the small tv's has on block with no servicable parts so usually there not much to get loose into them.

For the rare items that causes us connection problems(not tv from exeperience)
Usually a dab of hot glue by the connector solves it completely...but i'm telling you its for the smaller stuff that gets "trown" in road cases....the bigger stuff does not require it.


I would not be worried about vibration in a trailer, its more of a waving mvement than real vibration... I would be more carefull with the strenght of where you are attaching the tv.
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Old 08-08-2013, 07:40 PM   #37
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I believe Jansen rv electronics are made for marine and rv environment with wax on components to protect against rust.
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Old 08-08-2013, 07:46 PM   #38
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Thanks for that. I haven't been inside of a modern TV. How about the LED backlights? Pretty much the same?
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Old 08-08-2013, 08:20 PM   #39
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Quote:
Originally Posted by jwcolby54 View Post
Thanks for that. I haven't been inside of a modern TV. How about the LED backlights? Pretty much the same?
In theory led backlit would be "sturdier" but really, anything of smaller size are made in one piece and will most likelynsurvive trailer abuse...like a previous post said, since you want to do the hardrive setup, a good computer monitor is cheap and will give you better image than any tv of similar size...
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Old 08-08-2013, 08:36 PM   #40
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John,

Glad to understand the real issue. In our motor home there was a large CRT TV, in the 30" range that was there for about 10 years and over 100,000 road miles all over the continent. It saw considerable vibration with out a single issue and could be seen to move while driving.

I feel these older, heavier CRT TVs would be more vulnerable than any of the LCD TVs.

Our digital LCD TVs have worked very well and with a litle reinforcement your's should mount satisfactorily. We do lie ours face down in a mildly captured position on our side dinette using the back cushion to prevent it from sliding onto the floor. We then place a pillow on top. It has never moved in during our travels.
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Old 08-08-2013, 09:04 PM   #41
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The problem here is that there is an optimum viewing distance for any monitor size / resolution / font size. Take a 32" monitor and view it from 2' away and it is almost unusable, just too big! Take a 19" screen and push it back to the back edge of the desk and it is almost unusable, too small.

On my computer table I use two 23" monitors, about 30" from my face. They are 1920 x 1080 pixels native and they are just "perfect" for me, at that distance. I use one application on each monitor, and I wish I had 4 of them. Two "will do".

Now take those same monitors, mount them on the wall (or in the corner as you see in the pictures in these RVs. Sit on the couch on the opposite of the table and tell me what you see when used as a computer monitor? Teeny tiny little print that is unreadable from that distance. They may be fine as a "TV" viewing a movie but that is not what I need.

Now... with a browser (as I discovered awhile back) hit Ctl+ and the screen magically zooms bigger. Cool. Except you get less lines on the screen but a usable as a "kludge", when browsing the web. However that doesn't work with anything else. So when I am writing C# code in visual studio... or using SSMS to create a query, it is back to useless.

Now, replace that 23" monitor with a 32" TV, hanging on the wall just exactly where the 23" was a few minutes ago. What do you see?

Probably darned close to what you would with the 23" monitor 30" from my face. Perfect.

Further to this discussion, WHY I need it simply isn't the point. All of that explanation didn't help in the slightest in determining how to mount it or how to relieve the stress or how much stress to expect, or how much current it will need or anything else that is the actual point here.

The point is that I need to hang a 32" (or thereabouts) TV on one wall of the TT. I may in fact mount two of them if I can figure out how. It will almost certainly cover the window on that side and... I don't care.

Expanding the thread to discuss how the electronics of a TV will interface to a computer is most relevant (to me).

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Old 08-08-2013, 09:33 PM   #42
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So this is an example:

Amazon.com: Samsung UN32EH5000 32-Inch 1080p 60Hz LED HDTV (Black): Televisions & Video

1080P LED. The TV weighs 13 lbs without the stand, of course I would replace the stand with something equally heavy I assume.

Still, 13 lbs for the TV itself is pretty amazing it seems.
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