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Homemade Tracked Vehicle

boggie said:
not really depends on distance betwen units, length of the front and rear unit and how tight you bring the corners of the front and rear together
the Hagglunds can turn pretty tight they are only 6 feet wide
Click to expand...

So they are pretty narrow overall, just lengthy which makes them more maneuverable...

I anticipate that may be a single unit, unlike Huggland, would be better maneuverability-wise
 
NIk in regards t o turning.
a huge positive with a tucker in the wood is the arched turns, you need to be thinking about that while learning to drive one while pulling something that is 10' longer than the cat. I smacked my blade into a few unmentionables while mastering the controls.

More project thoughts
I have given thought to use two steer axles AND make it articulate.... but then I woke up. first time out my effort will be a simple.

I have my eye on a 4x4 fire truck/pumper and a duece and a 1/2 in a local junk yard...

Idle mind working here.
 
I liked the air shift transmissions I believe they were cat 7155's in the military line haul trucks like the m915' and m920's. as for 2 weasels I believe Canadair did just that for a bit. the way the bv is set up is a simple way of doing it like I said there is a lot of transmitted movement between both cars I like the way that mike wanted to do it articulating like a loader on pod tracks you might find it has a better ride.
 
Weasel diffs;
Sam Winer Motors, Akron , Ohio
Go get 'em boys.
Just remember they have all been in the weather since 1945...rust.
-Pat
 
jeapadrenaline said:
check out my build, another home built. modeled after a j5 bombardier.
lots of trials and tribulations, but its all worth it. brake steer works great. just make sure you use an open diff. as a posy or similar wont work.
my build thread is here http://kramerville.net/mbn/ubbthreads.php?ubb=showflat&Number=12908&page=1
Click to expand...

Jeap:
Have you thought about replacing the pinion and ring gears to a better ratio?
I have seen 7.00 ratio sets for a ford 9" differential for under $100. It's not as high a ratio as you were looking for but it might allow you to get rid of your chain reduction system.
 
replacing the pinion and ring gearset had crossed my mind, but i have no idea what diff it is, and if its a datsun/nissan diff which i think it probably is, then then the lowest gearing made for them was 5.3 ish. no where near low enough.
seems to work good with the chain drive now. the whole unit might actually come up for sale soon as i dont really have a use for it anymore.
 
I have an ltl load I believe it's 500 pounds coming from vail to anch for $350.00 I think I could get you a good back haul rate on a barge during the summer to seattle than, you could check into an ltl from seattle to your area. If you got creative I bet you could ship it for around 6 bills or less.
 
Hi,
I come into this conversation late but have modified truck built snowcat.
its a modified chevy Blazer.
original -350 v8, turbo 350 trans,( w/transfer case but universal yolk part cut off, no longer needed as now just rear drive)
It now has a Dana 70 rear
original master cylinder and another placed right beside it with rods connecting them to two steer sticks where steering wheel was.
Brake steer:
drives off limited slip dif.
big disc rotor on each front cog, original drum brakes in rear. left and right brakes plumbed into them.
give pedal fuel and pull stick to turn right or left.
bogies on torsion axles.
Bombardier track guides for bogies. Steel 1"x1" box grouser bars on trackes
there has been a frame built that the entire blazer frame sits on.
easy for parts, and auto parts store. easy to work on.
once i went over it and fixed what was abused from oil field workers driving it its been very good to me. i use it in very deep snow but also need to drive on washed areas with water flowing thru snow. the engine oil pan is 3.5 ft above ground. I've driven it in 3 water no problem.Ran all vents high for dif etc.
I've climbed grades tht scared me, just to see wat it will do but thats not what I use it for.
very basic to drive, probably like a WWI tank
I may fit brake boosters from Chevy Astro Van to make steering easier one day.
 
I see the photo of the machine in your signature?

did you move the rear axle farther back?

Thanks for sharing I look forward to more pictures,

Mike
 
I noticed when you were backing over the hill only one track was spinning. Is that due to the way you were working the controls or an action of the open diff? I like the idea of using a truck diff for a smaller, lightweight , fast machine. Great job on the build! I am starting one soon and still uncertain about the diff. I found a place that has a bunch of weasel differentials and stubled across an OC-4 diff with sprockets so took that instead. Still my consider the truck diff if it has been working for you.
 
If you are still looking for a weasel diff, I know a place on the East Coast that has several. Some brand new.
 
Cost on the new one is $1,500 plus shipping from Deleware. I just spoke to him and he said he only has one left. I know I saw a pile of used ones that looked to be in pretty good shape. He was going to get back to me tomorrow with a price on the used ones

Keith is who you want to talk to but he is out today. His number is 302-736-1790 and his email is keith@tnjmurray.com

I'm a nubie to the forum and really enjoy your posts. I feel like I'm talking to a celebrity in the snow cat world. Your scratch built machine has inspired me to do the same. I just bought an OC-4 and reading up on the posts to get ideas for a build. Thanks for all your post's.
 
Nojeeep said:
Cost on the new one is $1,500 plus shipping from Deleware. I just spoke to him and he said he only has one left. I know I saw a pile of used ones that looked to be in pretty good shape. He was going to get back to me tomorrow with a price on the used ones

Keith is who you want to talk to but he is out today. His number is 302-736-1790 and his email is keith@tnjmurray.com

I'm a nubie to the forum and really enjoy your posts. I feel like I'm talking to a celebrity in the snow cat world. Your scratch built machine has inspired me to do the same. I just bought an OC-4 and reading up on the posts to get ideas for a build. Thanks for all your post's.
Click to expand...

Its all for fun and giggles... and along the way learn something new...

I wonder what it would cost to have one of those rear ends shipped to Oregon... Definitely would be a nice one to have for another build...
 
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