Home » Public Forums » GMCnet » [GMCnet] Power Adapter
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| Re: [GMCnet] Power Adapter [message #325563 is a reply to message #325556] |
Mon, 30 October 2017 11:07   |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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However, the ONAN feeds a total of 6.0 kW to the two conductors of the input cable. Yes, each "side" is breakered at 40 Amps, but I "suspect" that the adapter cable splits its input two directions, also. Therefore, I believe that there should be no problem with running the second A/C from the 15 Amp capable supply.
FWIW, I am NOT an electrician but a retired electronic (radio) technician.
D C "Mac" Macdonald
Amateur Radio - K2GKK
k2gkk @ hotmail dot com
USAF and FAA, Retired
Oklahoma City, OK
"The Money Pit"
1976 ex-Palm Beach
k2gkk + hotmail dot com
www.gmcmhphotos.com/okclb
________________________________
From: Gmclist on behalf of John R.Lebetski
Sent: Monday, October 30, 2017 09:23
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Power Adapter
Keep in mind the factory GMC wiring is 14-50 which is TWO 50A legs of 125V coming in to the coach so 100A available from the post compared to 30A on
the TT-30. Big difference. (Ok for the purists most GMCs were breakered at 40A at their load center so only 80A). Running 2 rooftops on 30A is
marginal at best with OEM units as they draw 14-18A running depending on size of unit and conditions. This will cause Voltage drop which is not good
for the units.
--
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Power Adapter [message #325571 is a reply to message #325561] |
Mon, 30 October 2017 15:01 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Justin Brady schrieb/wrote
> With solar and propane we can stay off grid for a good long time with no need for electric hookups. The generator runs the AC's if necessary.
For me, solar, a large battery pack, and I am set for boondocking :-)
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II 26', VA
'73 Sequoia 23', Germany, SH
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Power Adapter [message #325572 is a reply to message #325571] |
Mon, 30 October 2017 15:11 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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Peer,
How much solar and battery do you have? How did you mount your panels?
On Mon, Oct 30, 2017 at 1:01 PM, Peer Oliver Schmidt GMC <
posde@theinternet.de> wrote:
> Justin Brady schrieb/wrote
>> With solar and propane we can stay off grid for a good long time with no
> need for electric hookups. The generator runs the AC's if necessary.
>
> For me, solar, a large battery pack, and I am set for boondocking :-)
>
> --
> Best regards
>
> Peer Oliver Schmidt
> PGP Key ID: 0x83E1C2EA
>
> '76a Eleganza II 26', VA
> '73 Sequoia 23', Germany, SH
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] Power Adapter [message #325574 is a reply to message #325572] |
Mon, 30 October 2017 16:16 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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John Phillips schrieb/wrote
> How much solar and battery do you have? How did you mount your panels?
None, but the current plan is for 200Ah plus 2 or 3 (flex) panels, ie.
160-240Wp
--
Best regards
Peer Oliver Schmidt
the internet company
PGP Key ID: 0x83E1C2EA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] rounded fender flare source? [message #325580 is a reply to message #325578] |
Mon, 30 October 2017 18:46 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Shane Grass wrote on Mon, 30 October 2017 18:55Can anyone advise me if rounded fender flares are still available? I'm aware of the currently advertised models on several of the GMC shop websites, but I'm looking specifically for the ones that match the curve of each wheel and slightly angled outboard.
Thanks,
Shane
Shane,
You have to get more familiar with your mail client.
What you just did was use reply as opposed to new. This made your post show up in the middle of a thread about electric power adapters and many may not even see it at all. Try to avoid hijacking threads, nobody really cares, but it might never get you an answer.
The only person that makes the flares you want is Frank Jenkins, he as a related site at <https://sites.google.com/site/gmcfrank/accessories>
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] rounded fender flare source? [message #325581 is a reply to message #325578] |
Mon, 30 October 2017 18:43 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Shane,
If these are the style you're looking for, they're available from Frank
Jenkins.
http://www.gmcmhphotos.com/photos/our-x-birchaven/p437.html
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL,
Manny Brakes & 1-Ton, Troy-Bilt APU, etc., etc., etc.
www.gmcwipersetc.com
On Mon, Oct 30, 2017 at 6:55 PM, Shane Grass wrote:
> Can anyone advise me if rounded fender flares are still available? I’m
> aware of the currently advertised models on several of the GMC shop
> websites, but I’m looking specifically for the ones that match the curve of
> each wheel and slightly angled outboard.
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] rounded fender flare source? [message #325585 is a reply to message #325580] |
Mon, 30 October 2017 19:43 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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The ROUND one , I believe is no longer available.
Call Jim Bonds.
On Mon, Oct 30, 2017 at 4:46 PM, Matt Colie wrote:
> Shane Grass wrote on Mon, 30 October 2017 18:55
>> Can anyone advise me if rounded fender flares are still available? I'm
> aware of the currently advertised models on several of the GMC shop
>> websites, but I'm looking specifically for the ones that match the curve
> of each wheel and slightly angled outboard.
>>
>> Thanks,
>>
>> Shane
>
> Shane,
>
> You have to get more familiar with your mail client.
> What you just did was use reply as opposed to new. This made your post
> show up in the middle of a thread about electric power adapters and many may
> not even see it at all. Try to avoid hijacking threads, nobody really
> cares, but it might never get you an answer.
>
> The only person that makes the flares you want is Frank Jenkins, he as a
> related site at
>
> Matt
> --
> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
> Electronically Controlled Quiet Engine Cooling Fan
> OE Rear Drum Brakes with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Power Adapter [message #325589 is a reply to message #325574] |
Mon, 30 October 2017 22:55 |
Justin Brady
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma: 11
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Senior Member |
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Peer, 2-300 watts of solar is not going to be enough to run an entire electric coach. What will you do for hot water? How do you plan to cook? The fridge alone will almost max out your solar on a good day, and drain your battery on a cloudy one.
I'm a huge proponent of solar, don't get me wrong but it has it's limits, especially on our small coaches with very limited no shaded roof area.
Peer Oliver Schmidt wrote on Mon, 30 October 2017 16:16John Phillips schrieb/wrote
> How much solar and battery do you have? How did you mount your panels?
None, but the current plan is for 200Ah plus 2 or 3 (flex) panels, ie.
160-240Wp
--
Best regards
Peer Oliver Schmidt
the internet company
PGP Key ID: 0x83E1C2EA
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Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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| Re: [GMCnet] Power Adapter [message #325591 is a reply to message #325589] |
Mon, 30 October 2017 23:22 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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I do not want to highjack this thread but I think you may need more like
1500 WDC with a lot of battery or 2000 WDC with a little less battery. The
problem with flex panels is they do not put out very much power, at least
the ones I have seen.
My 9KWatt home array has 315, 325 and 345-watt panels. They are all the
same footprint just got better as time went on. I would like to put 7 345
watt panels up there if I can figure a way to do it safely and not look too
bad.
It would be nice to be able to run a roof AC off of it.
On Mon, Oct 30, 2017 at 8:55 PM, Justin Brady wrote:
> Peer, 2-300 watts of solar is not going to be enough to run an entire
> electric coach. What will you do for hot water? How do you plan to cook? The
> fridge alone will almost max out your solar on a good day, and drain your
> battery on a cloudy one.
>
> I'm a huge proponent of solar, don't get me wrong but it has it's limits,
> especially on our small coaches with very limited no shaded roof area.
>
> Peer Oliver Schmidt wrote on Mon, 30 October 2017 16:16
>> John Phillips schrieb/wrote
>>> How much solar and battery do you have? How did you mount your panels?
>>
>> None, but the current plan is for 200Ah plus 2 or 3 (flex) panels, ie.
>> 160-240Wp
>>
>> --
>> Best regards
>>
>> Peer Oliver Schmidt
>> the internet company
>> PGP Key ID: 0x83E1C2EA
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
> --
> Justin Brady
> http://www.thegmcrv.com/
> 1976 Palm Beach 455
>
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--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] Power Adapter [message #325594 is a reply to message #325589] |
Tue, 31 October 2017 02:58 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Justin,
I think a lot depends on how you use the coach. For us, the coach's main
usage is to provide shelter and sleeping quarters, and to be able to
have coffee/tea in the morning plus a cereal for breakfast. We do not
cook in the coach, we rarely shower in the coach. Putting all that
together made my calculation come up with the need for 100Ah battery and
a bit of solar on the roof. I doubled the battery and I am pretty sure
it will meet our needs. If not, we will find another solution. And if
everything goes downhill, we still have the generator.
--
Best regards
Peer Oliver Schmidt
the internet company
PGP Key ID: 0x83E1C2EA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Power Adapter [message #325601 is a reply to message #325597] |
Tue, 31 October 2017 11:09 |
Justin Brady
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma: 11
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Senior Member |
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Peer,
No worries man to each their own, but I can tell you (as someone who has 215AH of battery and 200W of solar) that you're going to struggle with lack of power if you're camping for more than a day or 2 without hookups. To some that doesn't matter, but if you plan to stay for more than a day or so off grid with an electric fridge, coffee maker, vent fans, lights, stereo, tv etc you will not have enough power.
200 watts seems like plenty, but you will only see 200 watts at noon in the summer time( and even then it's really only 170 or so for an hour in my experience). Realistic output mounted on the GMC is more like 75 watts average over the daylight hours. When you consider that an electric fridge is going to pull at least 75 watts, you've only broken even and not charged your batteries. Once you factor in the draw from your inverter for your coffee maker, your cell phone chargers, your vent fans, your water pump and your lights you have actually drained battery even though it's been "charging" all day. So on a good day you hit dark with a 75% charge. When you wake up in the morning you're now down to 50% or less thanks to the fridge running all night. Since you're not really charging during the day you now need to run the generator to boost the batteries so you'll make it to night 2.
If you really want it to work you need more panels and more battery if you want to be all electric.
That's why we went away from electric. The only electric we are pulling is the vent fan, the water pump, and the LED lights. (and an inverter now and then for TV and cell phone chargers). The fridge runs on propane so no draw there, we do cook but it's all propane so no microwave or cooktop to draw power. Even with this arrangement if it's cloudy for a couple of days in a row we need the generator to top up.
With solar anything that is a constant draw is a problem, especially overnight.
Not trying to be dismaying, just trying to help in your planning!
Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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| Re: [GMCnet] Power Adapter [message #325605 is a reply to message #325603] |
Tue, 31 October 2017 11:55 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Steve and Justin,
thanks for your words and links. The Victron inverter/charger is right
now sitting in the 23' waiting to be installed.
We will see how far our planned setup is going to take us. We try to
minimize the use of 220V equipment, and for example things like the cell
phone charger are all setup to go 12-5V and not 12->220->5V - that
should help quite a bit. But Justin, as you pointed out, only time will
tell on how good my planning is. And if I do need additional power
generation on top, so be it.
Thanks again guys, your thoughts are greatly appreciated.
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II 26', VA
'73 Sequoia 23', Germany, SH
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Power Adapter [message #325765 is a reply to message #325744] |
Sat, 04 November 2017 22:43 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Tom,
And that's THAT!
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Thomas Phipps
Sent: Saturday, November 4, 2017 11:38 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Power Adapter
Good discussion on this type of device.
http://rvtravel.com/can-campground-cheater-box-really-provide-50-amps/
Tom, MS II
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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