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Bushcraft
Machine Builder In Training
Joined: 08 - December - 2007
 Canada
Posts: 34
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| Posted: 10 - February - 2008 at 11:06 | IP Logged
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I am currently in the design stages of an arch grapple system to put on a tracked unit I will be building in the spring.
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theonlybull
Senior Machine Builder
Charter Member
Joined: 24 - December - 2003
Canada
Posts: 1773
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| Posted: 10 - February - 2008 at 17:50 | IP Logged
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http://www.awassos.com/mini_skidder.html
we have a customer who has a turbo-forrest version of these skidders( bought out by awassos)
great working machine, but very $$$
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Bill Berry
Keith Berry & Son Ltd.
machine work and welding
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nylli
Machine Builder
Joined: 09 - March - 2007
 Finland
Posts: 172
Home Town, State/Province: Kallby/Finland
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| Posted: 10 - February - 2008 at 21:55 | IP Logged
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for good ground clearance it's possible to use BMW rear axels they are splitted.
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Katie
Senior Machine Builder
Joined: 06 - July - 2005
Posts: 1180
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| Posted: 11 - February - 2008 at 06:16 | IP Logged
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So the BMW is independent rear suspension and rear drive. I think
some Jaguars do the same thing. I was thinking the corvet
did also. I know that the military Hummer as a setup sort of
like that.
K.D.
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blackdog_006
Advanced Machine Builder
Joined: 12 - December - 2007
 United States
Posts: 348
Home Town, State/Province: Chatham Va.
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| Posted: 11 - February - 2008 at 09:24 | IP Logged
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Now where are we supposed to be able to find those for under $500?
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If man made I can cut it up and scrap it out
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Gazza
Machine Builder
Joined: 30 - December - 2004
 Australia
Posts: 194
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| Posted: 11 - February - 2008 at 12:06 | IP Logged
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You could also look at these independent rear ends
Rover P6, Datsun (Nissan) 180B, Subaru AWD sedans and wagons, Daihatsu Feroza 4WD's and some Honda 4WD.
Not sure if you have these available everywhere but there are probably others out there as well.
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nylli
Machine Builder
Joined: 09 - March - 2007
Finland
Posts: 172
Home Town, State/Province: Kallby/Finland
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| Posted: 11 - February - 2008 at 12:59 | IP Logged
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Here in Finland there are a lot of them on the junkyard both the 300 series
and the 500 series from the mid 80:s.
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nylli
Machine Builder
Joined: 09 - March - 2007
Finland
Posts: 172
Home Town, State/Province: Kallby/Finland
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| Posted: 11 - February - 2008 at 13:06 | IP Logged
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And one another thing I think all models also has the automatic diff lock (i don't know if it is the right word but i think you understand what i mean)
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nylli
Machine Builder
Joined: 09 - March - 2007
Finland
Posts: 172
Home Town, State/Province: Kallby/Finland
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| Posted: 11 - February - 2008 at 13:53 | IP Logged
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Here is a sketch that i made to find a system to make the chassie.(i'ts just a sketch)
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theonlybull
Senior Machine Builder
Charter Member
Joined: 24 - December - 2003
Canada
Posts: 1773
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| Posted: 11 - February - 2008 at 13:56 | IP Logged
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chev 4x4 trucks 88 up have a diff similar to that in the front, so do newer fords, and chev trackers
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Bill Berry
Keith Berry & Son Ltd.
machine work and welding
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stanz
Advanced Machine Builder
Joined: 15 - April - 2007
United States
Posts: 871
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| Posted: 11 - February - 2008 at 14:53 | IP Logged
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A Jaguar XJ6 rear is just like the BMW pictured except it has inboard disk brakes. They are in demand due to this feature, there's one listed on ebay, complete from hub to hub for $500. They can handle LOTS of power.
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Wolf
Machine Builder In Training
Joined: 01 - February - 2008
United States
Posts: 33
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| Posted: 11 - February - 2008 at 17:16 | IP Logged
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Quote: blackdog_006 Now where are we supposed to be able to find those for under $500?
check any junkyard and look under the last of the 4 seat thunderbirds and RWD cougars, they have an IRS and their cheap!!
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Tarnx
Machine Builder In Training
Joined: 19 - January - 2008
United States
Posts: 17
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| Posted: 11 - February - 2008 at 18:54 | IP Logged
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You might look at an Audi quattro. They have the front axle coming out of the sides of the transmission and the rear off of a drive shaft. They are full time fwd however. I have seen one and the package is very small and tight. The CV joints are the same as VW and will connect with Vw hubs mounted at your drive point on the walking beam. You could run the brake drum and redrill it for your chain drive or just cut the drum down and use it as a drive hub. I am just thinking out loud. 
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Lu47Dan
Senior Machine Builder
Joined: 25 - April - 2006
United States
Posts: 1506
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| Posted: 11 - February - 2008 at 19:36 | IP Logged
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What I have been mulling over in the old noggin is taking a standard axle , cutting it down and adding a could of bearings and a sleeved flange to tube so the tandem drive assembly could pivot . Re-install the original bearing housing and then have the axle shaft supported on the outer tandem chain case by a flanged bearing . As I still have not gotten to the point I can make straight lines on my cad program  If you need a drawing it will have to be in AmishCad 1.0 . Dan
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Used diesel engines are an adventure anyway you look at them !!
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blackdog_006
Advanced Machine Builder
Joined: 12 - December - 2007
United States
Posts: 348
Home Town, State/Province: Chatham Va.
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| Posted: 11 - February - 2008 at 19:50 | IP Logged
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Don't you mean Mennonite cad Dan? I mean Amish cad is (if I remember right) is pulling a blueprint off the top of ones head and building it.
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If man made I can cut it up and scrap it out
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METAL MOOSE
Machine Builder In Training
Joined: 09 - January - 2008
Posts: 11
Home Town, State/Province: Whitbourne Newfoundland
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| Posted: 11 - February - 2008 at 19:54 | IP Logged
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anybody think of using atv parts or would they not be strong enough.
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blackdog_006
Advanced Machine Builder
Joined: 12 - December - 2007
United States
Posts: 348
Home Town, State/Province: Chatham Va.
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| Posted: 11 - February - 2008 at 20:03 | IP Logged
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I am not sure if they would be strong enough not to mention they would be much harder to find in ones local parts supplier.
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Gazza
Machine Builder
Joined: 30 - December - 2004
Australia
Posts: 194
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| Posted: 11 - February - 2008 at 20:12 | IP Logged
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Or you could adapt something like this
a rear end out of a nissan
rear axle off a subaru
Edited by Gazza on 11 - February - 2008 at 20:13
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nylli
Machine Builder
Joined: 09 - March - 2007
Finland
Posts: 172
Home Town, State/Province: Kallby/Finland
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| Posted: 11 - February - 2008 at 22:49 | IP Logged
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Hi Gazza
Those axels should do it car axels are usable in many projects .
I think atv parts are harder to find and much more expensive then car parts
on the junkyard.
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Lu47Dan
Senior Machine Builder
Joined: 25 - April - 2006
United States
Posts: 1506
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| Posted: 12 - February - 2008 at 05:12 | IP Logged
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black dog , No not Mennonite cad , I have cousins that are Mennonite and they have AutoCad programs on their computers , seriously .  Dan
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Tools to Men are like Shoes to Women , you can never have too many !!!
Used diesel engines are an adventure anyway you look at them !!
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Topic: A little 8 wheeler
