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10-01-2012, 05:13 PM
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#1
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Senior Member
Join Date: Feb 2007
Posts: 146
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Electric blanket on inverter
Hi,
Has anyone run an electric blanket(135Watts/queen size) for a night on the inverter? I have a 1200W inverter and 2 house batt's(Trojan 105's).
Would be nice to be able to use it on chilly nights with no shore power(won't run genny while sleeping!).
Appreciate any advice/experience anyone has had doing this.
Thanks,
Jim
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10-01-2012, 05:18 PM
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#2
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Senior Member
Country Coach Owners Club
Join Date: Apr 2012
Posts: 353
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I think there's a 2-part answer to this.
First, how often the blanket cycles on (how big the draw is on the batteries overnight).
Second, if your generator has an "auto start" if your batteries go below a certain level.
Maybe someone with more direct experience can answer better than I!
Mark
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10-01-2012, 06:56 PM
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#3
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 23,922
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seadogjim.....There are two types of inverters....Pure Sine Wave and Modified Sine Wave. Most likely yours is a MSW. The MSW inverters make what they call dirty power. It's not like like the power you get at your house or the power produced by a Pure Sine Wave inverter.
With all that said, a lot of electric blankets and some small appliances don't like MSW power and will be ruined by it.
__________________
Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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10-01-2012, 07:05 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: Aug 2010
Location: Irondale, Alabama
Posts: 470
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If modified sine wave, read here about a recent issue that almost started a fire:
A Part of the TiffinRVNetwork • Login
__________________
2008 Monaco Camelot 42 DSQ
Irondale, Alabama
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10-01-2012, 07:06 PM
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#5
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Diplomat Don
With all that said, a lot of electric blankets and some small appliances don't like MSW power and will be ruined by it.
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Yep, exactly. And no real way to know in advance till you try it.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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10-01-2012, 07:51 PM
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#6
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Senior Member
Join Date: Feb 2007
Posts: 146
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Since the inverter came with the motorhome I would assume it's a MSW(less expensive). It seems to operate the high def Samsung TV just fine but who knows about an electric blanket.
The issue of a potential fire is certainly troubling, might be enough to make me not try using the blanket on the inverter.
Has anyone actually used an electric blanket on an inverter?
Thanks,
Jim
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10-01-2012, 07:59 PM
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#7
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Senior Member
Join Date: Feb 2012
Posts: 122
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Quote:
Originally Posted by seadogjim
Since the inverter came with the motorhome I would assume it's a MSW(less expensive). It seems to operate the high def Samsung TV just fine but who knows about an electric blanket.
The issue of a potential fire is certainly troubling, might be enough to make me not try using the blanket on the inverter.
Has anyone actually used an electric blanket on an inverter?
Thanks,
Jim
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I've never used one on an inverter, but I imagine since they 'pulse' (draw current) on and off all night long, I would imagine that would be hard on the inverter.
I know I bought an electric blanket and when I read the instructions it was stated not to use it with a generator (they didn't say why, but I guess it has to do with it pulsing on & off all night)
Just my thoughts, IAN...
__________________
IAN (houseboats are RV's on the water)
1988 Amera Coach 23ft, dodge 360, Onan 4k
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10-01-2012, 08:00 PM
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#8
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Senior Member
Join Date: May 2012
Posts: 3,816
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When we had our 03 Providence I accidentally let the electric blanket plugged in when I switched on the MSW inverter. It fried the controller plugged into the inverter outlet.
You can't just buy a replacement controller either.
__________________
2011 MVP Tahoe 230 QB on Ford E350 Chassis
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10-01-2012, 08:09 PM
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#9
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Senior Member
Solo Rvers Club iRV2 No Limits Club
Join Date: Feb 2011
Location: Yuma County, AZ
Posts: 10,868
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Not quite an electric blanket, but they do make 12 volt DC heated throws that would help keep most of you warm. I would assume those are safer.
Amazon.com: 12 volt heated travel blanket
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Barb (RVM18) with Morkies Lily & Bebe RIP Sena FMCA#F466348
"Homer" ‘11 Shasta Cynara, pulling "Ranger" '97 Ford Ranger toad
The Journey is Our Destination. Full-timer May 2011 - July 2021
[SIGPIC][/SIGPIC]
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10-01-2012, 09:37 PM
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#10
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Oct 2009
Location: E WA or S TX
Posts: 4,049
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With a MSW inverter an old bimetalic controller on the blanket will work just fine. The newer Pulse width modulated controlers will fry. Used an electric blanket with an inverter on the boat for years.
__________________
04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!
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10-01-2012, 09:52 PM
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#11
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Senior Member
Join Date: May 2011
Posts: 967
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We use our down quilt and it keeps us toasty warm....even when the inside RV temp drops into the low 50 or high 40. This usually means the outside temp is in the 20's. If this happens we're in the wrong part of the country and it's time to head further south.
__________________
Jack & Maggie
04-Rexhall Roseair (37)
Cummins ISC / Spartan
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10-01-2012, 10:08 PM
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#12
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Senior Member
Join Date: Jun 2011
Location: Phx, Arid~zona
Posts: 11,106
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I have a small(18X12) heating pad and the original box that says "Printed in 1944". It's a Casco Style No. H 1211, Part No. 11685, which I believe is the part number for the label on the box as there is a different number for the instruction sheet. Too late tonight to go look in my MH to see what the pad says. Would that work on a MSW inverter? I want to use it to keep my feet warm.
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10-02-2012, 12:13 AM
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#13
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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We use a down comforter - usually is too warm unless really cold, then it's just right. Also a Olympic catalytic heater is a good thing to have - propane with no electric needed whatsoever.
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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10-02-2012, 01:41 AM
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#14
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Senior Member
Join Date: Sep 2012
Location: Tasmania now, USA/Canada/Alaska in April
Posts: 2,473
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We run electric blankets when we are in deserts in winter in the OKA. Controls are all electronic, and the inverter is a pure sine wave unit.
Batteries are 512Ah so would run the blankets all night, but generally only use them on the timer to warm the bed up and then switch off after 75 minutes. Couple of quilts keeps us warm enough during the night even though the "bedroom" has a canvas roof.
__________________
Tony Lee - International Grey Nomad. Picasa Album - Travel Map
RVs. USA - Airstream Cutter; in Australia - MC8 40' DIY Coach conversion & OKA 4x4 MH; in Germany - Hobby Class C; in S America - F350 with 2500 10.6 Bigfoot camper
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