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willysmjeeps.com :: View topic - Battery Mounting Mod
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Battery Mounting Mod

 
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OKCM38CDN
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Joined: Feb 17, 2012
Posts: 530
Location: Del City, OK

PostPosted: Tue Apr 20, 2021 8:24 am    Post subject: Battery Mounting Mod Reply with quote

New 51R batteries in place using adapters I made out of 1/8" Fiberglass panel. Cut to fit the holders (5 3/8" x 10 3/8") then drilled to 3/4" to accept the posts. They work great to hold the batteries in place...


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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK
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kenperkins
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Joined: Apr 14, 2005
Posts: 285
Location: Livermore Ca.

PostPosted: Tue Apr 20, 2021 9:51 am    Post subject: Reply with quote

good idea....
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wesk
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Joined: Apr 04, 2005
Posts: 16365
Location: Wisconsin

PostPosted: Tue Apr 20, 2021 10:13 am    Post subject: Reply with quote

You may want to paint the fiberglass sheets. They still are a somewhat porous material and moisture can impregnate them enough to cause a slow discharge between Plus & Neg Posts.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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ocwd
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Joined: May 14, 2007
Posts: 721
Location: Placentia, CA

PostPosted: Wed Apr 21, 2021 7:44 am    Post subject: 51R Batteries Reply with quote

Very cool. I just bought 2 51R batteries for my M38. Did you make the two hold-down brackets in your picture or did you buy those somewhere?

Dave
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OKCM38CDN
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Joined: Feb 17, 2012
Posts: 530
Location: Del City, OK

PostPosted: Wed Apr 21, 2021 8:08 am    Post subject: Reply with quote

They came with the jeep, but you can get them at most vendors. I know MWM makes them for the M-38 with the extra bolt tabs...
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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK
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RonD2
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Joined: Oct 02, 2014
Posts: 2004
Location: South Carolina, Dorchester County

PostPosted: Wed Apr 21, 2021 7:31 pm    Post subject: Reply with quote

Just curious Hal --- the fiberglass covers looks nice (albeit a little unusual), but with the metal frames on top holding the batteries down with j-bolts, what purpose do they serve?

Are the metal frames not form-fitting to the shape of the batteries enough to keep them from moving? I think I might always be wondering if corrosion was forming under them.

Just my 2 cents from the peanut gallery.
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Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51

“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari

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OKCM38CDN
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Joined: Feb 17, 2012
Posts: 530
Location: Del City, OK

PostPosted: Wed Apr 21, 2021 8:07 pm    Post subject: Reply with quote

The 51R batteries are a bit smaller than the 2HN and the regular mounts I have would not hold the new batteries in place. I came up with this to keep the batteries from moving and bouncing around...
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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK
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RonD2
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Joined: Oct 02, 2014
Posts: 2004
Location: South Carolina, Dorchester County

PostPosted: Wed Apr 21, 2021 8:53 pm    Post subject: Reply with quote

Thanks Hal, good stuff. American ingenuity!
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Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51

“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari

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mdainsd
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Joined: Oct 20, 2017
Posts: 446

PostPosted: Thu Apr 22, 2021 6:12 am    Post subject: Reply with quote

Nice clean solution!
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'52 Dodge M37, '42 GPW, '48 FrankenJeep CJ2A/M38, '50 CJV-35(U), '51 M38, '42 WC-57 Command Car, '44 WC-51 Weapons , (2) M1941 Sperry 60" Anti-Aircraft Searchlights, John Deere M-gator, '44 White M3A1 Scout Car
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Xamon
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Joined: Sep 18, 2012
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Location: South East Saskatchewan

PostPosted: Thu Apr 22, 2021 8:39 am    Post subject: Reply with quote

I do wonder about the batteries off gassing with a big plate over them. I would think just cutting more thread onto the hold downs would be better. It is an interesting solution though.
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Carievale Saskatchewan Canada
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mdainsd
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PostPosted: Thu Apr 22, 2021 8:48 am    Post subject: Reply with quote

it isnt the length of the threaded rods so much as the the dimensions across the top of the battery. The stock hold down slips down the battery.
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'52 Dodge M37, '42 GPW, '48 FrankenJeep CJ2A/M38, '50 CJV-35(U), '51 M38, '42 WC-57 Command Car, '44 WC-51 Weapons , (2) M1941 Sperry 60" Anti-Aircraft Searchlights, John Deere M-gator, '44 White M3A1 Scout Car
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wesk
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Location: Wisconsin

PostPosted: Thu Apr 22, 2021 9:29 am    Post subject: Reply with quote

A simple riveting on of diagonal straps about 1/2" wide taking care to trim excess meat at the terminal corners has solved the issue for many years. Those with tons of energy and metal working skills would just shorten the length and width of each top bracket as needed to match the new batteries.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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OKCM38CDN
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Joined: Feb 17, 2012
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Location: Del City, OK

PostPosted: Thu Apr 22, 2021 3:32 pm    Post subject: Reply with quote

I bought semi sealed (there are no caps that I can see, unless under labels) batteries, and the hold downs that I have are covered in a OD Green rubber material (Original or military applied ????) make it so that I did not want to damage them. Also with this option I can go back to 2HN batteries if I want to.

One other thing to consider is the batteries are at different heights in the battery box. The center one is at least 1" higher than the other... On the M-38A1 they sit at different levels...
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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK
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ih8pepl
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Joined: Mar 08, 2020
Posts: 60
Location: SW Wisconsin

PostPosted: Sat May 01, 2021 8:02 pm    Post subject: Reply with quote

Im working on making the same adapter idea using plexiglass - that way I can at least see the battery incase its leaking/cracked.
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