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Panzer T70 Resto-Mod


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#316 BowDown OFFLINE  

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Posted March 06, 2018 - 05:18 PM

Project has been shelved. Quite literally actually.. Have lost motivation and hope it will return with the warmer weather. Till then I have other projects to keep me busy. 9aedacc63487d19e6ce958a842c7e177.jpg54716be61c20b8bb93c6a04289898b33.jpg6803bddbc90ea3f0570e0989e8bccbce.jpg

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#317 jdcrawler OFFLINE  

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Posted March 07, 2018 - 07:29 AM

Bummer.


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#318 BowDown OFFLINE  

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Posted March 07, 2018 - 07:34 AM

Indeed.

 

It's bittersweet. I really want to get it finished, but the working conditions out in the shop are very hectic these days with trailer rebuilds and doors opening to the outside during winter. Between that and not having some time outside of work to finish a couple key elements of it.. Just need to wait for spring/early summer. The spot in the shop was needed as well.. so a bit of pushing me out took place too.

 

It'll rise again! 

 

 

Bummer.


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#319 BowDown OFFLINE  

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Posted April 21, 2020 - 05:26 PM

Project has secretly been coming back. I changed the entire frame and design. It's going to have an articulated frame. No hydraulics all manual. The rear half will drive the motion of the tractor. Front will have its own engine to drive the bolens pto. Both engines are new lifan 7hp electric start units. The steering will also steer the front wheels in conjunction with articulating the rear. I'll post up some photos of what I've been doing to it.
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#320 BowDown OFFLINE  

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Posted April 21, 2020 - 05:33 PM

Pics118fe038347966a969ab5cd05536d98b.jpg9d0fdcbdd423e7ba4231186116596bec.jpg1b085408eab8f2ac4e24abcf3f620581.jpg2c9d26db2fd0104a24edbcb0f8629657.jpg1b94e60e0a5b1726049e3016c70243f7.jpg46df49e8b07724f77ff853c0589db065.jpg

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#321 KennyP OFFLINE  

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Posted April 21, 2020 - 06:02 PM

Now that's different!


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#322 kjmweld OFFLINE  

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Posted April 21, 2020 - 07:13 PM

Very cool project. I can hardly wait seeing "what's up your sleeve" next. Looks like you've done a great job on it so far tho.
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#323 BowDown OFFLINE  

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Posted April 21, 2020 - 07:23 PM

I've been taking my time. I sleeved the mild steel on the hitches. Grade 8 threaded rod holding them together. Really beefy gears and gear boxes. All connected with 40 chain and 3/4 shafting. 20hp universal joint in the steering.

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#324 BowDown OFFLINE  

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Posted April 23, 2020 - 10:51 PM

Updates today after 3 hrs work. Transmission crossmember is cut, bolted and cradle is welded. Jack shaft assembly is welded. Started cutting the chains to length. Getting closer! af2920a9200b2a9d6456b22aed252af7.jpgfa1f1d6be486d551b46ba16d7711a46d.jpgad6990931fb0b9165ac050fbfdb2637c.jpg

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#325 BowDown OFFLINE  

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Posted April 23, 2020 - 11:11 PM

Jack shaft will be cut to length along with the trans shaft. Need to trim the rear frame rails. Then finish up the chains, some steering support brackets, oil, gas and I should be able to drive it!

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Edited by BowDown, April 23, 2020 - 11:12 PM.

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#326 BowDown OFFLINE  

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Posted April 30, 2020 - 10:39 PM

No pics from tonight but I got alot done. Cut off the rear steering gear, swapped center knuckle position and welded the front gear in place. This reversed the steering back to what it should be. I also welded down the jackshaft mounts solid. Pulled a rear wheel and bored out the holes in the bolens wheels and test fitted them. I need to swap around the baffle and move it out an inch for them to fit correctly.

Was a good 3hrs work.

Anyone have a source for stepped key stock? Looks like the steering wheel is either 1/4 or 5/16 keyed and the 3/4 shafting I have is 3/16 keyed. But sloppy. I also think the gear box I have has metric key stock while my gears are 3/16. Little play.

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#327 gears OFFLINE  

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Posted May 01, 2020 - 07:32 AM

Wow! cool project. What prompted the revamped design with twin engines and torq-a-verters?


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#328 BowDown OFFLINE  

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Posted May 01, 2020 - 08:11 AM

Wow! cool project. What prompted the revamped design with twin engines and torq-a-verters?

 

Mainly it was due to the steering design being weak with the cables. I could see that breaking very quickly. The steering system design has been a HUGE time waster and money waster. My original plan for the tractor was to articulate the tractor, but I figured it would be too involved and went with a standard frame design. So after letting the sting of defeat fade while it was on the shelf I sketched up a design... Didn't know the right angle gearbox I had (which was also up on the shelf) was going to reverse the steering yet again. But the fix was simple by actually removing a gear.

 

Going with the torque converter was a bit of an after thought. I wanted to make the drive-line simpler as well.. but after getting the converter and the reversing gearbox I realized the gearbox wont just take the place of the idle shaft on the converter plate. :(. So that started my design with the reversing gearbox standalone and running a jackshaft. So much for simpler.. Also I was concerned with the condition of the internals on the T-92 transmission along with being able to shift it on a moving rear-half.

 

The PTO motor in the front just made sense. With running the Bolens front PTO setup the rotation is reverse from how the Panzer had the motor mounted. So that was always a hangup... Running a dedicated motor for the front fixes the rotation issue, and also fixes the clutch engagement of the PTO. I have a centrifugal pulley clutch for the motor. When I rev it up the clutch grabs and engages the PTO. Also no need to run the PTO motor if I'm just bombing around on it. Both motors are new and was a screaming deal. Also have electric start. 


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#329 BowDown OFFLINE  

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Posted May 09, 2020 - 04:44 PM

Going to involve a hub flip and less backspace. Any idea how much backspace is on the oe wheels? Guess I can remove one before I weld these. Going to clean them up and cut/bend some patch pieces to go inside the wheel over the old holes. I'll plug weld the holes and plug weld the hub back in. ab88b8cbf33ce2f1d47d1ed048f169fd.jpg4983c43dc082ef22833d87c9ffdff7b3.jpg038f36550c25d6ed1a46a335d19baf6e.jpg

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#330 BowDown OFFLINE  

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Posted May 12, 2020 - 10:03 PM

Got the wheels all welded back together. 1.5" back spacing, hub is flipped so it'll sit flat in the drum, valve stems are on the outside, alignment hole and holes enlarged to 9/16.. Lol. Should be good to go. 4704754c9e10b178b75103fbfe624292.jpg5d4c5706558b29c9dc49b8d258529c71.jpgc8834dbc142235d6c279c892a129a76b.jpg1b6afbbabc0c141aab27625699db18ea.jpg

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Edited by BowDown, May 12, 2020 - 10:04 PM.

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