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#9586 - 11/20/12 02:45 PM THE BEAST (tracked personal vehicle)
jeapadrenaline Offline
MBN member
Registered: 09/28/12
Posts: 251
Loc: bc, canada
So as i stated in the other thread, i found an abandoned project that was close to what i planned to build.
Turns out its even closer than it looked in the pictures.
this "BEAST" was modeled after a bombadier, and as close as i can tell the origi al would have been a J5 or a JW from the 60s or 70s.
Body is 44 inches wide, 6 foot 10 long and 5 foot 2 high. It is powered by a nissan A14 (1.4 liter) engine with a 4 speed standard tranny and a narrowed rear end of unknown origin. There is no tracks as of yet, but the design was built using a steel sprocket for a roller chain with 2.5 inch pitch. I have some ideas, but would like more input from you guys on how to build the tracks. I was thinking steel tracks like on a cat crawler. Be easy to build but maybe not so great for snow and/or higher speeds. If i can find bomadier type drive sprockets, i could build a steel cleated track with conveyor belting. The rest of the drive system is just like bombadier, 3 - 14 inch car "space saver" spare tires.






These pics where posted with the add, descriptio just said that it comes with 2 spare engines, a tranny and a few boxes off parts, and project needs to be finished.


Edited by jeapadrenaline (02/03/13 04:48 PM)
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#9588 - 11/20/12 04:33 PM Re: THE BEAST (tracked personal vehicle) [Re: jeapadrenaline]
2 dogs Offline
New in town
Registered: 03/28/10
Posts: 20
Loc: Wisconsin
Very cool!
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#9589 - 11/20/12 05:01 PM Re: THE BEAST (tracked personal vehicle) [Re: 2 dogs]
SteveC (NS) Offline
MBN member
Registered: 02/14/10
Posts: 411
Loc: Kentville, Nova Scotia, Canada
So,is it yours now? Have you brought it home? when do we see YOUR pics? Inquiring minds want to know.
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#9593 - 11/20/12 06:32 PM Re: THE BEAST (tracked personal vehicle) [Re: SteveC (NS)]
jeapadrenaline Offline
MBN member
Registered: 09/28/12
Posts: 251
Loc: bc, canada
Yes its mine now. Brought it home on sunday. Man that was a heavy load on the ole half ton, good thing for air bags. I am picking up all the parts and spare stuff on thursday and make last payment. Hopefully by weekend i'll post some more pics.
Price was a steal at $500. But i traded half of that in firewood.
Biggest problem s that everything on it was started, nothing finished. Axles still nees to be fastened, engine and tranny are in but not bolted. Cab is on but only a few bolts and not tight. Wiring is sorta there, but cut and ripped everywhere.
Goi g to be a lot of work. I think i need to tear it right down and finish one thing at a time starting with the axles. Then once ita all finished, do another tear down and paint it all.
My goal is to have it operational by late spring and ready for teardown and paint mid summer.
I do not have any drawings or notes on it and no access or knowledge of the original so i have to wing it and figure out a lot by trial and error.
Overall it is very well designed and built, i hope i can compete with this standard, as it was started by a shop teacher at the university.
Any questions, do not hesitate to ask.
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#9594 - 11/20/12 06:38 PM Re: THE BEAST (tracked personal vehicle) [Re: jeapadrenaline]
mdlawnguy Offline
MBN Enthusiast
Registered: 03/07/10
Posts: 878
Loc: maryland *****
Isnt the bomadier only ment to push snow?
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#9597 - 11/20/12 06:59 PM Re: THE BEAST (tracked personal vehicle) [Re: mdlawnguy]
jeapadrenaline Offline
MBN member
Registered: 09/28/12
Posts: 251
Loc: bc, canada
Yes and no. Most people use them to skid logs as well. Seen one that had a recovery setup on it for a towing outfit. Some guys do landscaping with them, and they are also used for oil exploration. One i seen has a drill rig on the back. I plan on using this "beast" for skidding wood, clearing snow off of driveway and rebuilding same in summer as it gets muddy as heck in spring and fall. I live off grid way out in the bush. I may build a bobcat type front loader for it instead of simple blade. It is built sturdy and heavy enough. Weights around 1500 - 2000 pounds as seen in the pictures.
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#9598 - 11/20/12 09:04 PM Re: THE BEAST (tracked personal vehicle) [Re: jeapadrenaline]
Gator Offline
MBN Enthusiast
Registered: 02/15/10
Posts: 783
Loc: Corinth, MS *****
Will be a very cool project. I use photobucket for pics from a android phone. It lets you upload them and then paste in the image link. Works like a charm.
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#9602 - 11/20/12 11:59 PM Re: THE BEAST (tracked personal vehicle) [Re: Gator]
tom Offline
MBN Old hand
Registered: 02/14/10
Posts: 1689
Loc: kodiak alaska *****
jeapadrenaline I have mini dozer plans that show how to make tracks that might give you some ideals. just pm me your e-mail address if you want them.
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Rocket science is common sense
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#9603 - 11/21/12 12:04 AM Re: THE BEAST (tracked personal vehicle) [Re: Gator]
jeapadrenaline Offline
MBN member
Registered: 09/28/12
Posts: 251
Loc: bc, canada
On the truck, half ton with 90 pounds of air in the bags


Unloading


In the shop

More pics to come. Want to see anything in particular, let me know.


Edited by jeapadrenaline (02/03/13 04:54 PM)
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#9604 - 11/21/12 02:12 AM Re: THE BEAST (tracked personal vehicle) [Re: jeapadrenaline]
FabberMcGee Offline
MBN member
Registered: 03/14/10
Posts: 182
Loc: Fairbanks, Alaska
What a steal, congratulations. this saved you a lot of work and money.
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#9607 - 11/21/12 04:18 AM Re: THE BEAST (tracked personal vehicle) [Re: FabberMcGee]
GLyford Offline
MBN member
Registered: 02/09/10
Posts: 387
Loc: central MA
That's sweet...someone did a lot of thinking ahead of time to get it to that point. Very clean design, not cluttered like a lot of home builds I see (or mine...cough).
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#9608 - 11/21/12 09:44 AM Re: THE BEAST (tracked personal vehicle) [Re: GLyford]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Google Foremost Industries for track ides.

Then look at round baler belting for the web.

A simple pressbrake and some Iron will get you all you need to get your Bombi mobile.

Hint: the grousers can be spaced to engage every second tooth on the drive sprocket....
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#9609 - 11/21/12 09:44 AM Re: THE BEAST (tracked personal vehicle) [Re: GLyford]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Google Foremost Industries for track ideas.

Then look at round baler belting for the web.

A simple pressbrake and some Iron will get you all you need to get your Bombi mobile.

Hint: the grousers can be spaced to engage every second tooth on the drive sprocket....
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#9610 - 11/21/12 09:45 AM Re: THE BEAST (tracked personal vehicle) [Re: GLyford]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Google Foremost Industries for track ideas.

Then look at round baler belting for the web.

A simple pressbrake and some Iron will get you all you need to get your Bombi mobile.

Hint: the grousers can be spaced to engage every second tooth on the drive sprocket....
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#9614 - 11/21/12 08:24 PM Re: THE BEAST (tracked personal vehicle) [Re: camdigger]
kbs Offline
MBN member
Registered: 05/07/10
Posts: 109
I would look into rubber treads for sure.
There are tons of full size ag and skid steer size options out there.
This looks like a fun rescue and “get er done” project
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#9619 - 11/21/12 10:48 PM Re: THE BEAST (tracked personal vehicle) [Re: kbs]
Bountyhunter Offline
New in town
Registered: 06/07/10
Posts: 10
What about a set of tractor tires with the sidewalls removed. You could bolt in some sort of links inside to engage the sprockets. Just throwing it out there for discussion
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#9620 - 11/22/12 12:56 AM Re: THE BEAST (tracked personal vehicle) [Re: Bountyhunter]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Originally Posted By: Bountyhunter
What about a set of tractor tires with the sidewalls removed. You could bolt in some sort of links inside to engage the sprockets. Just throwing it out there for discussion


In my opinion, ag tires are too stiff when cold and cutting the sidewalls off is a bit of a struggle. In addition, to be effective, they need either significant tension or lugs fastened to the inside to drive the track.

The unit in question already has a drive sprocket in place. Track design should accomodate that drive sprocket.
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#9621 - 11/22/12 12:56 AM Re: THE BEAST (tracked personal vehicle) [Re: Bountyhunter]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Originally Posted By: Bountyhunter
What about a set of tractor tires with the sidewalls removed. You could bolt in some sort of links inside to engage the sprockets. Just throwing it out there for discussion


In my opinion, ag tires are too stiff when cold and cutting the sidewalls off is a bit of a struggle. In addition, to be effective, they need either significant tension or lugs fastened to the inside to drive the track.

The unit in question already has a drive sprocket in place. Track design should accomodate that drive sprocket.
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#9622 - 11/22/12 12:56 AM Re: THE BEAST (tracked personal vehicle) [Re: Bountyhunter]
camdigger Offline
MBN member
Registered: 02/16/10
Posts: 135
Loc: On Assignment
Originally Posted By: Bountyhunter
What about a set of tractor tires with the sidewalls removed. You could bolt in some sort of links inside to engage the sprockets. Just throwing it out there for discussion


In my opinion, ag tires are too stiff when cold and cutting the sidewalls off is a bit of a struggle. In addition, to be effective, they need either significant tension or lugs fastened to the inside to drive the track.

The unit in question already has a drive sprocket in place. Track design should accomodate that drive sprocket.
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#9623 - 11/22/12 07:28 AM Re: THE BEAST (tracked personal vehicle) [Re: camdigger]
jeapadrenaline Offline
MBN member
Registered: 09/28/12
Posts: 251
Loc: bc, canada
I am with camdigger on the ag tires. The sprocket is there and it was built to accomodate roller chain, but i don't know what the orignal builder had in mind. And i am leaning towards rubber from either conveyor belts or round baller with steel cleats.
But first i will have to finish the suspension. I think it may cost me some money which i really don't have.
i will post pics soon on details about walking beam suspension with question On ideas to finish it.
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