Home » Public Forums » GMCnet » Power Inverters
| Power Inverters [message #105646] |
Wed, 10 November 2010 20:53  |
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jaholland
Messages: 565
Registered: June 2010
Location: Sweet Home Alebamy
Karma: 0
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Senior Member |
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I am considering replacing the 33 year old Power Inverter In My '78 Eleganza II
with Two Of These Modified Sine Wave Inverters From Harbor Freight ~
One will be wired for the Furnace and 2 Roof ACs and everything else will be hooked up to the other one
2000 Watt Continuous/4000 Watt Peak Power Inverter ITEM # 95596
MANUFACTURER: CHICAGO ELECTRIC POWER SYSTEMS
Description
Modified Sine Wave lets you run sensitive 120 volt electronics from your vehicle's power supply. ~
LED readout lets you monitor amps and voltage ~
4000 watts surge capability, 2000 watts continuous power ~
Low voltage alarm and automatic shutdown protects your battery ~
Triple fans for maximum cooling ~
Overvoltage shutoff at 15V DC ~
Two three-prong outlets ~
Connector for PCB components ~ {Not for marine use}.
Input voltage: 11-15V DC ~
Shipping Weight: 12.76 lbs.
Availability: In stock / Leaves the warehouse in 1-2 business days.
Only: $199.99 ~ ~ ~ ~-> Now On Sale: @ $159.99 ea
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Well, What's Your Take ?
Any And All Opinions Welcomed ~
~ Joe ~
/_]*[__][] *[__|] ~ * '73 TZE063V101887 "
"
O----------OO--]* ~ '78 TZE168V100234 "
"
" Joe & Lavelle " "
"
'sweet home alebamy'
[Updated on: Wed, 10 November 2010 20:58] Report message to a moderator |
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| Re: [GMCnet] Power Inverters [message #105651 is a reply to message #105646] |
Wed, 10 November 2010 22:16  |
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Watts is watts. Amps is amps. Voltage is voltage.
Don't plan to run AC units. If you had four batteries hooked in then you
could run a hair dryer or a microwave for a brief period. Lights, yes. AC
units, no.
Byron Songer
1978 Royale by Coachmen
Louisville, KY
Personal - http://web.me.com/bnsonger
Eastern States - http://www.gmceast.com
J A Holland wrote:
>
>
> I am considering replacing the 33 year old Power Inverter In My '78 Eleganza
> II with Two Of These Modified Sine Wave Inverters ~
>
> One will be wired for the Furnace and 2 Roof ACs and everything else will be
> hooked up to the other one
>
>
> 2000 Watt Continuous/4000 Watt Peak Power Inverter
> ITEM # 95596
> MANUFACTURER: CHICAGO ELECTRIC POWER SYSTEMS
>
> Only: $199.99 ~ ~ ~ ~ Now On Sale: @ $159.99 ea
>
> Economy Ground Shipping available.
>
> Description of Chicago Electric Power Systems 95596
>
> Modified Sine Wave lets you run sensitive 120 volt electronics from your
> vehicle's power supply. ~
>
> LED readout lets you monitor amps and voltage ~
>
> 4000 watts surge capability, 2000 watts continuous power ~
>
> Low voltage alarm and automatic shutdown protects your battery ~
>
> Triple fans for maximum cooling ~
>
> Overvoltage shutoff at 15V DC ~
>
> Two three-prong outlets ~
>
> Connector for PCB components ~
> Not for marine use.
>
> Input voltage: 11-15V DC ~
>
> Shipping Weight: 12.76 lbs.
>
>
> Availability: In stock
> Leaves the warehouse in 1-2 business days.
>
> Well, What's Your Take ?
> Any And All Opinions Welcomed ~
>
> ~ Joe ~
>
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--
Byron Songer
Full-timing to enjoy the USA
Former owner but still an admirer
GMC paint schemes at -
http://www.songerconsulting.net
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| Re: [GMCnet] Power Inverters [message #105655 is a reply to message #105650] |
Wed, 10 November 2010 23:25 |
George Beckman
Messages: 1085
Registered: October 2008
Location: Colfax, CA
Karma: 11
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Senior Member |
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| WD0AFQ wrote on Wed, 10 November 2010 19:51 |
I kinda hate to be the one to tell you this but you will need at least 47 batteries.
If you get it to work I want to know how you do it.
Dan
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I am afraid I agree. We have a Solectria Electric Car. The heater "core" is a ceramic, running on 132 (nominal) volts from 11 Deka batteries. These batteries look like my deep cell for the motorhome but when you start to pick one up you think it is nailed down. The electric heater is wimpy at best in CA weather. (52 tonight coming home from choir practice) It barely kept up. In the 7 freeway miles to town the heater alone bumps the amp/hrs used from 8 to 9+. The motor to run the dash air compressor uses about the same.
In other words, the heat or air adds about 12 percent to the power used to drive a 2300 lbs GEO Metro 62 mph. Batteries weigh in at close to 700 lbs. I am guessing that all 11 would run the GMC roof air for about 40 to 50 minutes before pulling them so low you damage the batteries.
New Coleman rated at 15 amp hrs at 120 volts. (This does not count starting the thing.)
Deka Batteries are 95 amp hrs.
Depth of Discharge = 20% for long life (2000 cycles if you are lucky)
20% of 95 = 19 amp hrs.
Inverter inefficiency must be figured in
The Solectria takes 6+ hrs @ 15 amps at 120 volts to charge
(The next pack will be lithium phosphate 90 amp/hr. 400 lbs lighter and Depth of Discharge = 70% giving around 60 amp/hrs. This would run the unit three times longer. Price... $5,500.)
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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| Re: [GMCnet] Power Inverters [message #105658 is a reply to message #105647] |
Wed, 10 November 2010 23:49 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| k2gkk wrote on Wed, 10 November 2010 20:57 |
They are gonna require some hellacious battery cables;
probably need to use 0000 gauge to carry the current!
* * * * * * * * * * * *
* D C "Mac" Macdonald *
* Amateur Radio K2GKK *
* USAF & FAA, Retired *
** Oklahoma City, OK **
* * * "Money Pit" * * *
* * ex-Palm Beach, 76 *
* * * * * * * * * * * *
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Yes, You will probably draw around 180 amps or so at 2000 watts.
You also might want to get a small trailer to haul all the extra storage batteries around in.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Car [message #105659 is a reply to message #105655] |
Wed, 10 November 2010 23:58 |
bukzin
Messages: 840
Registered: April 2004
Location: North California
Karma: 0
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Senior Member |
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George,
What does one have to pay for this car?
I want a Tesla. Should I get one?
Bukzin
1977 Palm Beach
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| Re: Power Inverters [message #105662 is a reply to message #105646] |
Thu, 11 November 2010 02:23 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| bishop1 wrote on Wed, 10 November 2010 18:53 |
I am considering replacing the 33 year old Power Inverter In My '78 Eleganza II
with Two Of These Modified Sine Wave Inverters From Harbor Freight ~
One will be wired for the Furnace and 2 Roof ACs and everything else will be hooked up to the other one
...
|
"33 year old Power Inverter" ???? Someone installed an INVERTER in the late '70's? (Yes, I do know they DID have inverters available back then... )
Are you sure you do not have INVERTER (12v dc to 120v ac) confused with a CONVERTER (120v ac to 12v dc)? In 1978 they installed BUZZ BOX converters in our GMC's from the factory.
As others have noted, it isn't very effective to run Air Conditioners from battery power.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: Power Inverters [message #105668 is a reply to message #105662] |
Thu, 11 November 2010 09:25 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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This is a timely subject for me as I am looking into installing an inverter in my coach too. I have measured the loads (with a "Kill-a-Watt") of the items I want to run off of it, 19" flat screen/DVD combo, DVR/Sat. receiver, laptop, netbook, etc. and they only total up to a little less than 200 watts. I have discussed this with a few good friends, but thought I'd throw it out for a group discussion.
My intention is to install an 800 watt inverter in the electrical cabinet which is close to my rear mounted house batteries. I will use maybe one size larger cable than the recommendation for the length of run. Then I will run two separate lines (i intend to use 12g extension cords plugged in to the inverter) up front and mount a duplex outlet in each of the front seat bases.
Any and all suggestions on brand and/or source for the inverter would be most welcome.
As a P.S. The Saguaro Jetset is having a rally at Cochise Terrace RV Resort in Benson AZ this weekend, hosted by Steve and Nancy Ferguson. Anyone in the area is welcome to stop by any time or if anybody in the Phoenix area wants to make the trip down, we would love to see you.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Power Inverters [message #105671 is a reply to message #105662] |
Thu, 11 November 2010 10:06 |
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jaholland
Messages: 565
Registered: June 2010
Location: Sweet Home Alebamy
Karma: 0
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Senior Member |
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| mike miller wrote on Thu, 11 November 2010 02:23 |
| bishop1 wrote on Wed, 10 November 2010 18:53 |
I am considering replacing the 33 year old Power Inverter In My '78 Eleganza II
with Two Of These Modified Sine Wave Inverters From Harbor Freight ~
One will be wired for the Furnace and 2 Roof ACs
and everything else will be hooked up to the other one
...
|
"33 year old Power Inverter" ???? Someone installed an INVERTER in the late '70's?
(Yes, I do know they DID have inverters available back then... )
Are you sure you do not have INVERTER (12v dc to 120v ac) confused with a
CONVERTER (120v ac to 12v dc)?
In 1978 they installed BUZZ BOX converters in our GMC's from the factory.
As others have noted, it isn't very effective to run Air Conditioners from battery power.
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Touche' ~
When you just get in from a trip you should not post until you have at least rested ~ LOL
I still have the original "Converter/Charger' and was thinking of something
more up to date ~
~ Joe ~
/_]*[__][] *[__|] ~ * '73 TZE063V101887 "
"
O----------OO--]* ~ '78 TZE168V100234 "
"
" Joe & Lavelle " "
"
'sweet home alebamy'
[Updated on: Thu, 11 November 2010 10:08] Report message to a moderator |
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| Re: Power Inverters [message #105675 is a reply to message #105668] |
Thu, 11 November 2010 10:13 |
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jaholland
Messages: 565
Registered: June 2010
Location: Sweet Home Alebamy
Karma: 0
|
Senior Member |
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| Carl S. wrote on Thu, 11 November 2010 09:25 |
This is a timely subject for me
as I am looking into installing an inverter in my coach too. I have measured the
loads (with a "Kill-a-Watt") of the items I want to run off of it, 19" flat screen/DVD combo,
DVR/Sat. receiver, laptop, netbook, etc. and they only total up to a little less than 200 watts.
I have discussed this with a few good friends, but thought I'd throw it out for a group discussion.
My intention is to install an 800 watt inverter in the electrical cabinet which is close
to my rear mounted house batteries.
I will use maybe one size larger cable than the recommendation for the length of run.
Then I will run two separate lines (i intend to use 12g extension cords plugged in to the
inverter) up front and mount a duplex outlet in each of the front seat bases.
Any and all suggestions on brand and/or source for the inverter would be most welcome.
As a P.S. The Saguaro Jetset is having a rally at Cochise Terrace RV Resort in
Benson AZ this weekend, hosted by Steve and Nancy Ferguson. Anyone in the area is welcome
to stop by any time or if anybody in the Phoenix area wants to make the trip down,
we would love to see you.
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Carl;
You have the right idea of what I was considering but didn't know how to post ~
~ Joe ~
/_]*[__][] *[__|] ~ * '73 TZE063V101887 "
"
O----------OO--]* ~ '78 TZE168V100234 "
"
" Joe & Lavelle " "
"
'sweet home alebamy'
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| Re: [GMCnet] Power Inverters [message #105679 is a reply to message #105660] |
Thu, 11 November 2010 10:32 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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J A, are you sure that you need a 55 kilowat generator power supply? Seems
like than would be enough to run a whole block of houses. I really do not
understand the opposition to the Onan plant. They sit there and run at 1800
Rpm for 2500 hours with little or no maintenence, and when you compare them
to Generac, or Kippor, or Coleman or most any other unit, they measure up
very well and do not sit there and scream at 3600 RPM and vibrate the
fillings out of your teeth. Just my opinion.
Jim Hupy
Salem, Or
78 Royale 403
On Wed, Nov 10, 2010 at 11:15 PM, J A Holland <acts238bishop@yahoo.com>wrote:
>
>
>
> Thanks for your input
> I was thinking of using 10 Golf Cart Batteries and 4 Solar Panels
> But am now leaning toward replacing the 6kw Onan Green Barbarian
> with the Generac 55kw RV Quietpac ~
>
> ~ Joe ~
> --
> Joe & Lavelle
>
> '65 6cyl Cortez/'68 8cyl Cortez/
>
> '73 26' Canyonlands/
>
> http://www.facebook.com/album.php?aid=2056676&id=1266255830&l=7a962eb8eb
>
> '78 26'Eleganza II/
> http://www.facebook.com/album.php?aid=2035030&id=1266255830&l=5536e612f6
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Power Inverters [message #105680 is a reply to message #105679] |
Thu, 11 November 2010 10:43 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| James Hupy wrote on Thu, 11 November 2010 09:32 |
J A, are you sure that you need a 55 kilowat generator power supply? Seems
like than would be enough to run a whole block of houses. I really do not
understand the opposition to the Onan plant. They sit there and run at 1800
Rpm for 2500 hours with little or no maintenence, and when you compare them
to Generac, or Kippor, or Coleman or most any other unit, they measure up
very well and do not sit there and scream at 3600 RPM and vibrate the
fillings out of your teeth. Just my opinion.
Jim Hupy
Salem, Or
78 Royale 403
On Wed, Nov 10, 2010 at 11:15 PM, J A Holland <acts238bishop@yahoo.com>wrote:
>
>
>
> Thanks for your input
> I was thinking of using 10 Golf Cart Batteries and 4 Solar Panels
> But am now leaning toward replacing the 6kw Onan Green Barbarian
> with the Generac 55kw RV Quietpac ~
>
> ~ Joe ~
> --
> Joe & Lavelle
>
> '65 6cyl Cortez/'68 8cyl Cortez/
>
> '73 26' Canyonlands/
>
> http://www.facebook.com/album.php?aid=2056676&id=1266255830&l=7a962eb8eb
>
> '78 26'Eleganza II/
> http://www.facebook.com/album.php?aid=2035030&id=1266255830&l=5536e612f6
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
|
I suspect he meant a 5.5kw.
You're right though. The 1800 rpm Onan is the way to go. They will outlast a 3600 rpm generator about 5 to 1. 5000 hrs minimum life.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Power Inverters [message #105683 is a reply to message #105680] |
Thu, 11 November 2010 12:16 |
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WD0AFQ
Messages: 7111
Registered: November 2004
Location: Dexter, Mo.
Karma: 207
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Senior Member |
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That reminds me, need to fire the Onan and put a load on it.
Hope all the Vets enjoy your day. I just returned from local ceremonies.
Dan
3 In Stainless Exhaust Headers
One Ton All Discs/Reaction Arm
355 FD/Quad Bag/Alum Radiator Manny Tran/New eng.
Holley EFI/10 Tire Air Monitoring System
Solarized Coach/Upgraded Windows
Satelite TV/On Demand Hot Water/3Way Refer
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