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| 1977 23' Birchaven Batteries [message #365287] |
Thu, 08 July 2021 19:39  |
Tom Katzenberger
Messages: 399
Registered: June 2019
Location: Kingsville, MD
Karma: 4
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Senior Member |
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Good day all,
I am going to install new batteries in the coach. The question I have is what is the best choice for the house battery and coach battery?
Should I go with a marine battery? I only have room for 2 batteries. I fabricated a new large stainless steel battery tray which is 19" x 20" so I should be able to handle large batteries plus some storage. I am not very good in the area of electric and am all ears?
Thanks again all,
Tom K.
Tom & Oki Katzenberger,
Kingsville, Maryland,
1977 23' Birchaven, 455 C.I.D., Micro Level, Howell EBL-EFI Spark Control, Macerator, York Air Compressor, 6 Wheel Disc, Quadra Bag, Onan W/Bovee Ignition
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| Re: 1977 23' Birchaven Batteries [message #365288 is a reply to message #365287] |
Thu, 08 July 2021 19:51  |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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IF you only have room for one battery for the house, I guess a "marine/deep cycle" would be the best choice.
Better yet, although more complicated, convert to Lithium batteries. Jerry Work has a good tech article on GMCWS.org:
http://gmcws.org/blog/lithium-battery-presentation-gmcws-2019-fall-rally/
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: 1977 23' Birchaven Batteries [message #365292 is a reply to message #365287] |
Fri, 09 July 2021 07:44 |
Tom Katzenberger
Messages: 399
Registered: June 2019
Location: Kingsville, MD
Karma: 4
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Senior Member |
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Matt and Carl,
I will go the direction of lithium for the coach and acid battery for the engine per you guys suggestion. I watched the presentation on the Lithium and it doesn't seem too difficult.
Thank you guys for the input, again it is very much appreciated!
Take care,
Tom K.
Tom & Oki Katzenberger,
Kingsville, Maryland,
1977 23' Birchaven, 455 C.I.D., Micro Level, Howell EBL-EFI Spark Control, Macerator, York Air Compressor, 6 Wheel Disc, Quadra Bag, Onan W/Bovee Ignition
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| Re: 1977 23' Birchaven Batteries [message #365294 is a reply to message #365292] |
Fri, 09 July 2021 08:11 |
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Richard RV
Messages: 631
Registered: July 2012
Location: Full-timer for 12 years, ...
Karma: -17
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Senior Member |
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Tom,
I'm not sure I understand your 2 battery limitation. You meant 1 starting and 1 house battery, right?
My Birchaven has the 1 starting battery behind the driver's side headlight and the 2 house batteries behind the passenger side headlight. I thought this was Birchaven standard. What's preventing you from having 2 house batteries up front?
Richard
'77 Birchaven TZE...777;
'76 Palm Beach under construction;
‘76 Edgemont waiting its turn
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| [GMCnet] Re: 1977 23' Birchaven Batteries [message #365296 is a reply to message #365291] |
Fri, 09 July 2021 08:09 |
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Amazing! Prices still falling quickly. I popped last year at $1400. Now
half that. Another year and they'll be a no brainer for everyone.
bdub
http://bdub.net/SweetPeaSolar/
On Fri, Jul 9, 2021, 7:25 AM Matt Colie wrote:
> Tom,
>
> Amazon is listing a 200Ahr LiFePo4 for 800$.
> This is all I know about it. It is attractive, but it will need a DC-DC
> charging system.
>
> 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
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
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GMCnet mailing list
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bdub
bdub.net
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| Re: 1977 23' Birchaven Batteries [message #365300 is a reply to message #365287] |
Fri, 09 July 2021 10:55 |
timthenomad
Messages: 63
Registered: June 2015
Location: Austin, TX
Karma: 5
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Quote:My Birchaven has the 1 starting battery behind the driver's side headlight and the 2 house batteries behind the passenger side headlight. I thought this was Birchaven standard.
My Birch came with 1 house up front with the starting battery and a 2nd paralleled in a vented box under the bed in the back.
Tim Taylor
Austin TX
Philadelphia PA
76 Birchaven (SB)
76 Triumph TR6
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| [GMCnet] Re: 1977 23' Birchaven Batteries [message #365301 is a reply to message #365299] |
Fri, 09 July 2021 10:48 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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My 23' has the Ragusa 3-battery tray on the passenger side with 2 each
GC-2's for the house and 1 each Gp 27 for the chassis. Because of my
grille-to-radiator ducting and other components, the batteries must be
R&R'd thru the wheel well. Pretty easy on my service rack with a special
mod to my engine hoist:
http://www.gmcmhphotos.com/photos/g5425-battery-lift.html
For those without a lift, I suggest an unload/load ramp. That's a 1x6
board long enough to reach from the back of the battery tray to the upper
A-arm. At the tray end of the board, a piece of angle iron screwed to the
end engages the lip at the back of the tray to secure the "ramp". Works
pretty well -- IF you can lift the battery onto the ramp by hand. Then
side the batteries up & down the ramp.
By the way, for anyone who wants to make their own battery tray, here's the
template developed by John Richardson:
http://www.gmcmhphotos.com/photos/g4280-battery-tray-pattern.html
Ken H.
On Fri, Jul 9, 2021 at 11:32 AM Matt Colie wrote:
> Because Chaumière is a 73 and I have the air pump under the driver, I have
> three batteries in the other corner. That is a pair of GC2 (T105) and a
> Grp 36 starting battery. There is also the little (aka cheap) battery
> back by the APU. I made the larger battery tray out of fiberglass covered
> plywood years ago.
>
> 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
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: 1977 23' Birchaven Batteries [message #365305 is a reply to message #365287] |
Fri, 09 July 2021 13:16 |
Tom Katzenberger
Messages: 399
Registered: June 2019
Location: Kingsville, MD
Karma: 4
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Senior Member |
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Very nice information, I keep thinking I will have this coach up quickly, but by the time I keep making improvements it has been set back quite a bit.
Tom & Oki Katzenberger,
Kingsville, Maryland,
1977 23' Birchaven, 455 C.I.D., Micro Level, Howell EBL-EFI Spark Control, Macerator, York Air Compressor, 6 Wheel Disc, Quadra Bag, Onan W/Bovee Ignition
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| Re: 1977 23' Birchaven Batteries [message #365352 is a reply to message #365305] |
Sun, 11 July 2021 08:04 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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Tom Katzenberger wrote on Fri, 09 July 2021 14:16Very nice information, I keep thinking I will have this coach up quickly, but by the time I keep making improvements it has been set back quite a bit.
Tom,
We all fight this battle. Decide what mods you really need and put the others on a punch list. Go enjoy the coach and it will motivate you to make the important changes first. (Says the guy that has the front of his coach apart for a repair but is planning three upgrades while it is.)
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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