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-   -   Updating Electrical Goodies... (http://www.airforums.com/forums/f37/updating-electrical-goodies-15459.html)

JeepinAudiophile 02-08-2005 02:06 PM

Updating Electrical Goodies...
 
I am a certified mobile electronics installer, and proud Airstream owner. I currently sell and install all the "fun" electronics such as Satelite Radio, CB Radios, GPS Navigation systems, rear-view cameras, DVD and VHS players, upgraded radios and stereo components, LCD televisions for both tow vehicle and trailer, In-Car computers... you get the point. If you have any questions about wiring up your electrical components, or advice as to which brands to look into, feel free to contact me. I will help you as best I can.
--Chad Bleakney--
CBleakney@gmail.com

balrgn 02-08-2005 03:03 PM

Nice bit of info! I'll be installing a LCD TV, thinking of a 20". Is there a brand I should watch for, and conversely stay away from? :cool: Power should not be an issue, 30 amp service. Mounting should prove interesting.

pmclemore 02-09-2005 11:01 AM

Chad, thanks for offering advice!

I've been thinking about a fantastic fan (or two). do you know if the wiring is already in place (I have a 97 Safari) or does the wiring have to be fished?

Thanks - Pat.

JeepinAudiophile 02-09-2005 12:58 PM

Quote:

Originally Posted by balrgn
Nice bit of info! I'll be installing a LCD TV, thinking of a 20". Is there a brand I should watch for, and conversely stay away from? :cool: Power should not be an issue, 30 amp service. Mounting should prove interesting.

Are you looking for a 110v only tv, or a tv with switchable/auto switching power supply? I would suggest getting an lcd tv that is designed for automotive use and has been designed and tested to withstand the adverse temperature range and vibrations that a moving vehicle is subject to. Post back your thoughts so I can get you headed in the right direction. --Chad--

JeepinAudiophile 02-09-2005 01:02 PM

Quote:

Originally Posted by pmclemore
Chad, thanks for offering advice!

I've been thinking about a fantastic fan (or two). do you know if the wiring is already in place (I have a 97 Safari) or does the wiring have to be fished?

Thanks - Pat.

This is the information to which I am still learning. Being 21, I have only had access to my parents 2 AS motorhomes, and more recently my 1968 tradewind that I am restoring. There are others that will surely be able to help you with your question, sorry I was not of more help. --Chad--

balrgn 02-09-2005 03:27 PM

DC TV would demand too much power, so I've not even considered that. Thinking LCD but I am not certain it would take to traveling down the road. Heat should not be too much of a concern, (I hope) living in the North East we rarely see long duration of high temps. Cold, now that is another matter! They are saying we're due for a foot or better :O(

JeepinAudiophile 02-10-2005 11:56 AM

well, it looks like the snow fell through....I live in Worcester MA and work above Boston. As for AC tv's I personally like the Sharp AQUOS LC-20S1U for your application, or a Samsung LTP1795W... it's a 17" with High Definition for about the same price if that is something you are interested in. Good Luck. --Chad--

RoadKingMoe 02-10-2005 02:34 PM

In an Airstream, we probably aren't talking "home theatre". The Society of Motion Picture and Television Engineers (SMPTE) defines that as a MINIMUM of a horizontal viewing angle of 30 degrees. Lucas THX certification for theaters defines that as a MINIMUM of 26 degrees at the very back of the theatre, and recommends 36 degrees for best experience. At a 6 foot viewing distance, to achieve 30 degrees requires a 48" diagonal 4:3 screen or 44" diagonal 16:9 screen, and to achieve 36 degrees requires a 59" diagonal 4:3 screen or 54" diagonal 16:9 screen. So without a projector and roll-down screen, or a really close TV, "home theater" ain't happenin' in an Airstream. Viewing a 17" 4:3 TV at 6 feet is about 11 degrees and a 20" 16:9 TV at 6 feet is about 14 degrees.

Now let's consider the utility of HDTV in an Airstream (compared to standard definition TV (SDTV 480i) or enhanced definition TV (EDTV 480p)). Normal 20/20 human vision can resolve only up to one minute of angle. That translates to 300 dots lines per inch at a 1 foot viewing distance, and is 50 lines per inch at 6 feet. The 480 lines of SDTV or EDTV on a 10.2" tall 17" diagonal 4:3 TV, or on a 9.8" tall 20" diagonal 16:9 TV, comes in at about 47-49 lines per inch, and is a good match for 20/20 eyes at a 6' viewing distance. At 20/20, we can't see better than that. This would be true for a 20" 4:3 TV at 7 feet or more.

Sparing you more math, 720p HDTV would be a good match for 20/20 vision, if the viewing distance of those same sized screens were cut to 4 feet, and 1080i HDTV would be a good match if it were reduced to 2 feet 8 inches. Interestingly, the latter is the distance we'd have to view that 20" 16:9 TV to get a minimal 30 degree "home theater" experience. At 4 feet, it would give us only about 21 degrees.

For more info and number crunching, see:

Viewing Distance Calculator and Compute TV Size Calcultor.

balrgn 02-10-2005 03:19 PM

Quote:

Originally Posted by JeepinAudiophile
well, it looks like the snow fell through....I live in Worcester MA and work above Boston. As for AC tv's I personally like the Sharp AQUOS LC-20S1U for your application, or a Samsung LTP1795W... it's a 17" with High Definition for about the same price if that is something you are interested in. Good Luck. --Chad--

Thanks! I'll check it out. Looked at a 20" don't know if I can spare the space. Already have a Sony surround sound, so ya know what will turn up inside there :)

Over59 02-10-2005 03:42 PM

Quote:

Originally Posted by RoadKingMoe
. So without a projector and roll-down screen, or a really close TV, "home theater" ain't happenin' in an Airstream.

Now that would be cool. I wonder if they make the screens with a curved top?

balrgn 02-10-2005 04:30 PM

Quote:

Originally Posted by Over59
Now that would be cool. I wonder if they make the screens with a curved top?

Hey, ya know that is an interesting idea, I have an inlaw that owns an Audio Visual company. Mayby I should see what he has? :D Might drive the wife a bit nutty watchin the news when she's trying to sleep tho.

47WeeWind 02-10-2005 04:41 PM

Quote:

RoadKingMoe: So without a projector and roll-down screen, or a really close TV, "home theater" ain't happenin' in an Airstream. Over59 replies: Now that would be cool. I wonder if they make the screens with a curved top?
Hummmmmm..... with a nice silver metalic zolotone interior end cap, one would have the perfect vintage screen for viewing the 1963 CINERAMA classis "How the West Was Won". Now, this get my reels turning....

RoadKingMoe 02-10-2005 05:39 PM

I've actually considered doing this. There are HDTV quality projectors that should fit in the sofa overhead. One problem would be the heat they generate.

2airishuman 02-10-2005 09:34 PM

ok chad i'll give it a go....
 
Quote:

Originally Posted by JeepinAudiophile
If you have any questions about wiring up your electrical components, or advice as to which brands to look into, feel free to contact me. I will help you as best I can.
--Chad Bleakney--
CBleakney@gmail.com

hi chad
your enthusiasm is apparent and don't be discouraged if a solution or answer you offer gets shot down......in the short time i've been reading here, i've learned there are some mighty knowledgeable folks for any topic.

1. so i'd like to have an aft trailer camera linked to a dash mounted lcd like the big class a mh have. ideally the truck part would replace the in dash stereo (ford f-250) with a nice fit....and gps capable too. i don't care about the radiop/stereo function...only the basics or none at all. if in lcd dash not possible then flip up lcd or my laptop would be ok. the rear camera could also be used to feed an image into the trailer when camping....sort of an ourdoor peeper.... the camera would need a reverse image function to really simulate a rear view mirror.
2. i'd like a truck/shell camera that would also link to the cab lcd for backing up/hitching.
3. 26 inch lcd hi res tv in the trailer with the usual cable/ant connections but also with satellite and tivo like recording. of course i'd want to plug the laptop into this system which should be easy but i'd like that gps function in coach too, for ploting trips from the sofa.i'd be fine with ac power for the tv....since it could be stowed during travel....dc would be ok too.
4. i'd like some lowjack like system in the trailer and if i could track it from the truck....that'd be awesome.

5. i suppose having a cell phone as part of the group would be good too.

6. the system can be wired/wireless or a mix.

ok so take your time and put this together for me. i'm an early adapter for most gadgets but have only the basic install skills, so spell out a list of equipment and bits to make it happen....i can't wait!!

icould have just sent you a p.m. but i'm sure others living far from you would like to see the options too.

not worry if someone adds to or refines your answer.....there are lots of smart folks watchin'.

cheers
2air


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