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Re: [oletrucks] Creating a tandem

To: oletrucks@autox.team.net
Subject: Re: [oletrucks] Creating a tandem
From: "Guy Whelan" <guywhelan@hotmail.com>
Date: Mon, 29 May 2000 07:54:50 CDT

I'm located in Southwestern Indiana. Admittedly the uniqueness is part of 
the appeal of a tandem. I would like to find a yard like you have in your 
area for some good Ideas.That is why I submitted this to this list, 
objective ideas and a wealth of experience. Now for some more questions.

1. Can you or any one else help me figure out the physics of where to set a 
single axel for a 17 foot car hauler.

2. Will the 3/4 ton rearend do the job (possibly with additional springs) or 
will I have to go to a completely different rearend.

3. What about springs, I don't think the 3/4 ton springs will be sufficient.

>From: CLLLSLS@aol.com
>Reply-To: CLLLSLS@aol.com
>To: oletrucks@autox.team.net
>Subject: Re: [oletrucks] Creating a tandem
>Date: Sat, 27 May 2000 20:10:55 EDT
>Where are you at? If you're around Oregon there's a salvage yard just down
>the road from my house full of old BIG truck stuff. He's got dozens of
>complete tandem setups. These are prolly for 60-80,000 GVW trucks, but even
>if they were to big for you to use, you could still see how they work, get
>ideas, contemplate whether it's feasible.
>Constructive criticism: The main reason for desiring to build something 
>this would have to be uniqueness? Right? Wreckers aren't tandem axle. The
>heaviest single vehicle you could ever haul could never exceed 10,000 
>Your rig couldn't possibly weigh more than 10,000 pounds. Add your rig and
>what it could haul together and you get 20,000 GVW. I don't think I've ever
>seen a 20,000 GVW tandem rear axle truck. There's no need for the second 
>If you really wanted to build this, I would consider making the second axle 
>"dummy axle" and not a driving one. Just find a rear with the same bolt
>pattern and same hubs (preferably the same exact rear end) and remove the
>pinion. Install a plug or cover plate where the pinion was and you're done.
>Just reread your message and you would be using the same exact rear end if
>you went with the '52's.
>I think your biggest problem in building something like this would be your
>brakes. You would have to transplant some sort of later model disc brake
>truck front end to give you the necessary stopping power to safely haul a
>heavy load.
>Dustin/ Aurora, OR
>50 & 53 GMC 1/2 tons
>48 GMC 3/4 ton


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