Best Epoxy to repair original black Sheller

1941 - 1945, MB, GPW Technical questions and discussions, regarding anything related to the WWII jeep.
Frankie
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Best Epoxy to repair original black Sheller

Post by Frankie » Mon Jun 29, 2020 7:25 pm

i want to get recommendations for epoxy to fill cracks in an original black Sheller, which I think is hard rubber? The steering wheel came from a GPW with DoD Apr 42. I tried some JB weld in a small crack and after about 10 hours it had not hardened. This was new black epoxy that came in a double syringe type container. Besides not hardening, it did not stick very well at all to the hard rubber. Please advise as I want to get the wheel repaired soon. TIA, Frank

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Re: Best Epoxy to repair original black Sheller

Post by parker007 » Mon Jun 29, 2020 10:21 pm

i think i saw some just using the good body filler, like bondo. then paint.

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Re: Best Epoxy to repair original black Sheller

Post by irakli » Tue Jun 30, 2020 5:09 am

Frankie wrote:
Mon Jun 29, 2020 7:25 pm
i want to get recommendations for epoxy to fill cracks in an original black Sheller, which I think is hard rubber? The steering wheel came from a GPW with DoD Apr 42. I tried some JB weld in a small crack and after about 10 hours it had not hardened. This was new black epoxy that came in a double syringe type container. Besides not hardening, it did not stick very well at all to the hard rubber. Please advise as I want to get the wheel repaired soon. TIA, Frank
I found this tutorial useful:

https://www.youtube.com/watch?v=WhwI8IhvEYw&t=27s
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Frankie
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Re: Best Epoxy to repair original black Sheller

Post by Frankie » Tue Jun 30, 2020 5:46 am

I’ve seen tutorials but few that show use on hard rubber. It appears that some epoxies that work well on plastics are dismal on hard rubber. The leftover epoxy I tried did harden on a plastic surface where it was mixed but did not harden on the wheel.

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Re: Best Epoxy to repair original black Sheller

Post by Chuck Lutz » Tue Jun 30, 2020 9:50 am

Guys have salvaged some pieces of trashed-out green or black steering wheels like theirs and then ground some to a powder that they mixed with an epoxy to fill the cracks. The matching color makes it much less noticeable afterwards. I suggest a test or two to see what proportions will give the best results. Don't try it on the wheel until you are satisfied with the ratio though!
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Re: Best Epoxy to repair original black Sheller

Post by Donovan » Tue Jun 30, 2020 1:48 pm

Someone on the G a long time ago took some pieces from either an old steering wheel or old light knobs and dissolved them in methylene chloride(? Not quite sure). I believe it was a wood derived plastic that I can’t remember for the life of me what they called the plastic. Anyways, if you do a search for steering wheel repair in the MB/GPW Knowledge forum you might find it. I think it has to be roughly at least 7 years ago!
Good luck,
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Re: Best Epoxy to repair original black Sheller

Post by Frankie » Wed Jul 01, 2020 7:23 am

I have found that some people recommend Eastwood PC-7 epoxy paste for hard rubber. Anyone have any experience with that product?

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Re: Best Epoxy to repair original black Sheller

Post by irakli » Wed Jul 01, 2020 11:03 am

Frankie wrote:
Wed Jul 01, 2020 7:23 am
I have found that some people recommend Eastwood PC-7 epoxy paste for hard rubber. Anyone have any experience with that product?

So Eastwood has MASTER STEERING WHEEL REPAIR KIT.

https://www.eastwood.com/master-steerin ... struc.html

Sounds promising.
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Re: Best Epoxy to repair original black Sheller

Post by irakli » Wed Jul 01, 2020 11:04 am

Donovan wrote:
Tue Jun 30, 2020 1:48 pm
Someone on the G a long time ago took some pieces from either an old steering wheel or old light knobs and dissolved them in methylene chloride(? Not quite sure). I believe it was a wood derived plastic that I can’t remember for the life of me what they called the plastic. Anyways, if you do a search for steering wheel repair in the MB/GPW Knowledge forum you might find it. I think it has to be roughly at least 7 years ago!
Good luck,
Donovan.
I guess thats what Lew Ladwig is doing in the video posted above.
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Re: Best Epoxy to repair original black Sheller

Post by Donovan » Thu Jul 02, 2020 11:16 am

I did a search using “repair steering wheel” in the MB/GPW Knowledge base and came up with about 87 hits. People were using acetone to dissolve donor plastic pieces and repairing their steering wheels. It sounded like it worked very well.
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Frankie
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Re: Best Epoxy to repair original black Sheller

Post by Frankie » Thu Jul 02, 2020 5:54 pm

Probably does work well on hard plastic. Unfortunately My steering wheel is not plastic. I tried the Eastwood JC-7 paste this morning. Supposed to be set up in an hour. 5 hours later it was still too soft to sand. If it’s not cured tomorrow, I’ll have to find something else.

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Re: Best Epoxy to repair original black Sheller

Post by dpcd67 » Thu Jul 02, 2020 6:55 pm

I have used brownells Acraglas gel, used for glass bedding rifles, mixed with powdered green old wheel pieces. Or if you want black, it comes with black dye. It will harden.
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Re: Best Epoxy to repair original black Sheller

Post by ozm29c » Thu Jul 02, 2020 6:59 pm

Frankie,
I use this epoxy here at work;
https://www.ellsworth.com/products/adhe ... ube-c-kit/
It may suit your particular need.
Cheers
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Re: Best Epoxy to repair original black Sheller

Post by zepher11 » Thu Jul 02, 2020 9:28 pm

I recently used PC7 Epoxy for a 1941 Dodge WC steering wheel that was pretty rough. I would recommend it. Two part epoxy. Easy to apply and sanded down really nice. Here's a couple of photos:

Image

Image

Image

Image

Image
Zeph

'42 Script GPW Restoration Thread: CLICK HERE!

'41 Dodge WC16 Restoration Thread: CLICK HERE!

Frankie
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Re: Best Epoxy to repair original black Sheller

Post by Frankie » Fri Jul 03, 2020 5:41 am

Yeah, your steering wheel looks good. I'll check my steering wheel this morning; hopefully the JC-7 on mine is cured enough to sand. Did you have to allow lots of extra time for the JC=7 on yours to harden?

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