The Portal Hub: All things Pinzgauer, Haflinger, Volvo 303 and more.

The Portal Hub: All things Pinzgauer, Haflinger, Volvo 303 and more.

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View unanswered posts | View active topics It is currently Tue Dec 12, 2017 2:40 am



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 unique 4wd driveline I'd never heard of-interesting article 
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Joined: Sun Dec 22, 2013 5:53 pm
Posts: 114
Location: Melbourne Australia
Post unique 4wd driveline I'd never heard of-interesting article
Just when you thought you'd seen it all....

http://www.blueovaltrucks.com/tech-arti ... ve_system/

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1985 pinzgauer 712K factory 2.7lt civilian (RHD, 4 door K)
1979 Volvo tgb 1314a (under construction to om606 diesel/722.6 trans. Dual cab/tray)


Thu Dec 07, 2017 3:58 am
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Joined: Mon Apr 12, 2004 9:36 pm
Posts: 1386
Location: Ca. or lost in South West USA
Post Re: unique 4wd driveline I'd never heard of-interesting arti
Uhh, yeah, that's new to me! Weird...

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Thu Dec 07, 2017 4:02 am
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Joined: Sun Dec 22, 2013 5:53 pm
Posts: 114
Location: Melbourne Australia
Post Re: unique 4wd driveline I'd never heard of-interesting arti
What about any of the other experimental offerings from the second article towards the bottom...anyone ever spotted any of these? How is that a twin locked Chrysler family wagon never made it into production...sounds practical :wink:

If you skim over the patent it appears the inventor had plans to futher the design to include applications that can individually control/vary the amount of drive/torque coming through to the "V output drive shafts" and to the front wheels....I wonder what he was thinking :idea:

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1985 pinzgauer 712K factory 2.7lt civilian (RHD, 4 door K)
1979 Volvo tgb 1314a (under construction to om606 diesel/722.6 trans. Dual cab/tray)


Thu Dec 07, 2017 7:06 am
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Joined: Thu Oct 06, 2011 4:25 pm
Posts: 757
Location: Mount Vernon WA USA
Post Re: unique 4wd driveline I'd never heard of-interesting arti
Look similar to the H-drive system used on DAF military trucks:

https://en.m.wikipedia.org/wiki/H-drive

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Thu Dec 07, 2017 9:25 am
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Joined: Mon Apr 12, 2004 9:36 pm
Posts: 1386
Location: Ca. or lost in South West USA
Post Re: unique 4wd driveline I'd never heard of-interesting arti
10 U-joints spinning around. That's a lot of grease.

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Thu Dec 07, 2017 1:40 pm
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Joined: Thu Oct 06, 2011 4:25 pm
Posts: 757
Location: Mount Vernon WA USA
Post Re: unique 4wd driveline I'd never heard of-interesting arti
Yep - I saw one of these in Colorado once - very interesting idea but they are subject to "wind-up" when driven on hard surfaces due to the lack of differentials between the front and rear wheel on each side.

The spare tire working as an assistive device for getting over obstacles is a interesting solution. It was previously done on some WWII Steyr staff cars:

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Fri Dec 08, 2017 10:08 am
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