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Old 11-04-2010, 12:32 AM   #1
pops OP
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2wheel drive

Any one got some more info or photos of this 2 wheel drive set up For the gs ??? Please.

http://www.bmwmccvic.org.au/componen...g2_itemId=2589






Same thing i am planing to do Been looking at using free wheeling 4x4 hub to easy put the drive in or out for the sidecar wheel?

Cheers Ian.

pops screwed with this post 11-04-2010 at 02:01 AM
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Old 11-04-2010, 07:03 AM   #2
windmill
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Mobec,

For folks with unlimited budgets, or who have won the lottery.

http://mobec-international.com/index2.php
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Old 11-04-2010, 08:36 AM   #3
Evel Knievel
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Mobec, I believe inmate Richard-NL rides something like that...
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Old 11-04-2010, 09:29 AM   #4
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Quote:
Originally Posted by windmill
Mobec,
For folks with unlimited budgets, or who have won the lottery.
Nope, that is not a Mobec setup....

Mobec DOES make a 2-wheel-drive setup using the BMW paralever final drive,
but it comes out of the opposite side of the unit for sidecars mounted to the right (correct ) side of the bike...



-----

What you are showing looks like a home-grown setup, but nicely done.



Although I would use a splined shaft with a boot rather than a rigid welded shaft to allow for some change in length with suspension movement,
and also to allow the shaft to be moved out of the way more easily for wheel changes.
Unless it is splined where it goes into the CV joints???

I also prefer welded wheels (or cast) vs. multi-part bolted/riveted wheels.
- No joints to maintain an airtight seal on.
- No worries about the fasteners loosening up over time/stress.
- No worries of stress cracking/fractures at all the many small drilled holes.
- Easier to clean (fewer/no sharp corners for dirt/mud to get stuck in).
But again, that is just a personal preference...

-----

The idea of the locking hub is a good one. Mobec is a full-time 2WD, with no differential.
I have been playing around with some ideas/plans for a full-time 2WD sidecar rig based upon a BMW Boxer motorcycle, but chucking the entire stock swingarm and hanging the rear suspension for the bike and sidecar off of the sidecar frame; & using a racing cart limited-slip differential w/reverse built into it to tranfer power. I am still looking for a suitable donor bike for the project.
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BMWzenrider screwed with this post 11-04-2010 at 06:48 PM
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Old 11-04-2010, 11:21 AM   #5
Richard-NL
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The right answer is ...........

Martin Preston outfit.

Shot these pics at last years Dragon Rally in Wales. They are probably in that thread too.





Same guy that made this:


http://www.advrider.com/forums/showp...postcount=1790

Same principle as the Mobec stuff.

Got some pics of the latest Mobec idea, that are not on the internet yet, if someone is interested.



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Old 11-04-2010, 04:57 PM   #6
pops OP
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Quote:
Originally Posted by Richard-NL
The right answer is ...........

Martin Preston outfit.

Got some pics of the latest Mobec idea, that are not on the internet yet, if someone is interested.

Richard-NL
Thank you Richard-NL Love Martin Prestons work.
Yes please post the pics up.

Cheers Ian.
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Old 11-04-2010, 07:09 PM   #7
windmill
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A Mobec superdrive on A Guzzi.............

http://mobec-international.com/range...rive/index.php

Anybody got $40k they don't need? I promise it would go to good use.
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Old 11-05-2010, 01:22 AM   #8
Evel Knievel
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Quote:
Originally Posted by Richard-NL


Got some pics of the latest Mobec idea, that are not on the internet yet, if someone is interested.



Richard-NL
Cool, new stuff! Let it come..!
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Old 11-05-2010, 04:45 PM   #9
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Quote:
Originally Posted by Richard-NL

HOLY MOTHER!!!!

That is amazing!
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Old 11-05-2010, 11:08 PM   #10
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What that bloke has done to that GSX1400 is nothing short of amazing!


And I thought I was pretty good at grafting a USD front to mine.


As good as I am sure it may be and I guess a man of that calibre must have worked it all out, I'm not entirely convinced about the transverse action of the rear suspension.


But that's just me

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Old 11-06-2010, 03:57 AM   #11
IsAnOzzie
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Has anyone looked into or done anything with a hydrostatic drive system?
2 WD should be pretty simple using hydraulic motors?
just something that has been floating around my head for a while now.
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Old 11-06-2010, 07:24 AM   #12
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Quote:
Originally Posted by IsAnOzzie
Has anyone looked into or done anything with a hydrostatic drive system?
2 WD should be pretty simple using hydraulic motors?
just something that has been floating around my head for a while now.
Here you go... http://www.advrider.com/forums/showthread.php?t=532205
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Old 11-06-2010, 07:54 AM   #13
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Hydrostatic: http://www.advrider.com/forums/showthread.php?t=558237

2WD, Front: http://www.advrider.com/forums/showthread.php?t=532098

2WD, 3WD sidecars: http://www.advrider.com/forums/showthread.php?t=301274
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Old 11-06-2010, 12:40 PM   #14
Evel Knievel
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The never ending story
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Old 11-06-2010, 04:29 PM   #15
Richard-NL
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Quote:
Originally Posted by Evel Knievel
The never ending story
Yep, and that weren’t even all posts. Every few months this question “pops” up.
Most of the times I don´t even react on it.


OK, somebody has to post it.

Sidecar (and that’s what we talk about over here. Don’t we?) with hydraulic sidecar drive on an Ural with a Diesel Engine:



And just one picture of a part for the new Mobec twowheeldrive. It’s pretty obvious. Go figure it out.



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