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Author Topic: Home built slabber  (Read 19719 times)

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Offline flip

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Home built slabber
« on: June 13, 2007, 10:44:05 AM »
OK.  I've done the search stuff and not finding exactly what I was looking for.  I have been thinking about building a dedicated wide slabber since we have none in this area.  I am thinking maybe 5-6' wide but not sure how much power or what kind of rail system to use.  Hopefully someone that has done it or is in the process of doing one can give me some guidance.  I prefer to make it portable and to use a gas engine.  What I need is some pics. and how to gear it and where to get chains and bars. :P
Thanks,
Flip
Timberking B-20, Hydraulics make me board quick

Offline Fla._Deadheader

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Re: Home built slabber
« Reply #1 on: June 13, 2007, 10:50:24 AM »
 Largest vertical shaft engine you can find. Possibly centrifugal clutch and attach the chain sprocket directly to the clutch. Double up 2 X 8's for the track. " X 1" Aluminum or steel angle for rails. Decide on length before buying 2 X 8's. Side bow is NOT real critical, up-down bow IS critical.

Captain or Baileys for bars chains and sprockets.

  Frame is simple and a couple winch setups and yer in business.
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Offline DanG

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Re: Home built slabber
« Reply #2 on: June 13, 2007, 11:14:22 AM »
The engine shouldn't be a big problem.  Thousands of lawn tractors give up their usefulness with plenty of life left in their engines.  I'm thinking that 16 hp should do the trick nicely.
"I don't feel like an old man.  I feel like a young man who has something wrong with him."  Dick Cavett
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Offline flip

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Re: Home built slabber
« Reply #3 on: June 13, 2007, 11:20:49 AM »
Obvously we're talking about vertical shaft engines, right? 
Timberking B-20, Hydraulics make me board quick

Offline Fla._Deadheader

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Re: Home built slabber
« Reply #4 on: June 13, 2007, 12:29:59 PM »

 Uhhhhhhhhhh
Quote
  Largest vertical shaft engine you can find.
  ;D :D :D
All truth passes through three stages:
   First, it is ridiculed;
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   Third, it is accepted as self-evident.

-- Arthur Schopenhauer (1788-1860)

Offline flip

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Re: Home built slabber
« Reply #5 on: June 13, 2007, 12:34:15 PM »
Excuse me while I pull the poo from my eyes ;D
Timberking B-20, Hydraulics make me board quick

Offline flip

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Re: Home built slabber
« Reply #6 on: June 14, 2007, 10:21:34 AM »
How dothe Lucas and peterson raise and lower the frame?  It appears there is just 1 crank on each side that I surmise that a cable runs the length of the frame to the other post?
Sheesh, I hate asking stoopid questions, but I hate passing up potentially big $$.

Flip
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Offline brdmkr

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Re: Home built slabber
« Reply #7 on: June 14, 2007, 10:44:25 AM »
Flip

On the Lucas mill you raise each end at a time.  There is a roller chain and sprocket on each upright.  The sprockets are connected by a pipe.  When you crank one side up or down, the pipe twist the sprocket on the other side to keep things level.  I think the ATS works the same way, but the pipe runs end-to-end instead of side-to-side (i.e., you adust each side seperately on the ATS and each end seperately on the Lucas).

It is  a really simple design.  If you like, I'll try to post some pics in the next day or so.

Mike

 
Lucas 618  Mahindra 4110, FEL and pallet forks, some cant hooks, and a dose of want-to

Offline flip

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Re: Home built slabber
« Reply #8 on: June 14, 2007, 11:21:01 AM »
Please do if it's not too much trouble.
Timberking B-20, Hydraulics make me board quick

Offline Brad_S.

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Re: Home built slabber
« Reply #9 on: June 14, 2007, 07:28:30 PM »
I keep thinking someday I'd try and build one less like the Lucas/Peterson and more like this:
http://www.lmsaws.com/chainsawlog.htm
or this:
http://www.talaricohardwoods.com/logyard.htm
and if you want a heavier duty bar and chain than Bailey's has, L-M has some.
http://www.lmsaws.com/sawbars-chain.htm
"Life is what happens to you while you're busy making other plans." J. Lennon

Offline brdmkr

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Re: Home built slabber
« Reply #10 on: June 15, 2007, 09:12:09 PM »
Flip,

Here are some pics of the up-down adjustment on the mill.

This is the side with the crank.  There is another crank on the other end of the mill.

 

This pic shows the chain and sprocket attached to the crank.

 


This pic is of the other side directly accross from the crank.
 

This pic shows the cross bar that connects the crank to the 'slave sprocket' (for lack of a better term).

 

This pic shows the bottom of each upright.  The chain just wraps around and is secured at the top.
 

It is really pretty simple, but my pics and explanations may not be much use if not, give me a yell and I'll try to do better.
Lucas 618  Mahindra 4110, FEL and pallet forks, some cant hooks, and a dose of want-to

Offline flip

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Re: Home built slabber
« Reply #11 on: June 18, 2007, 07:56:33 AM »
Thanks, that helps a lot!
Timberking B-20, Hydraulics make me board quick

Offline flip

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Re: Home built slabber
« Reply #12 on: June 18, 2007, 09:01:08 AM »
Brdmkr,

Nudder question.  How do the rails attach to the uprights and how much play is there?  It would seem to me if one guy was raising and lowering by himself one end would get "hung" if you do too much on one end.
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Re: Home built slabber
« Reply #13 on: June 18, 2007, 09:44:53 AM »
Flip,  it would be a couple of hour drive but your more than welcome to come up here and look at my ATS if you'd like to. 
Peterson 8" ATS.
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Re: Home built slabber
« Reply #14 on: June 18, 2007, 09:59:56 AM »
Thanks for the offer. 
Timberking B-20, Hydraulics make me board quick

Offline flip

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Re: Home built slabber
« Reply #15 on: June 18, 2007, 03:06:18 PM »
Would something like this work or is this too whimpy?

ebay link
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Re: Home built slabber
« Reply #16 on: June 18, 2007, 03:40:24 PM »
Brdmkr,

Nudder question.  How do the rails attach to the uprights and how much play is there?  It would seem to me if one guy was raising and lowering by himself one end would get "hung" if you do too much on one end.

The rails set in a tray with a cam lock on top.  I don't know how uneven you could have the ends before it would lock up, or even if it would. 
Lucas 618  Mahindra 4110, FEL and pallet forks, some cant hooks, and a dose of want-to

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Re: Home built slabber
« Reply #17 on: June 20, 2007, 10:22:08 AM »
Well the quest continues.  Like most here I am trying to do this on the cheap.  Here is what I have come across...Cannon bar 87"=$400 chains=$55.00/each.  I still don't have the motivator which I figure a good 20-25 vertical will run at leat $300.  Would still need the sprocket, roller for bar, jack shaft and bearings, track etc...  How many chains should I have on hand?  It would seem to be easier to throw a new one on when it dulls than to sharpen on site.  The bar is a new bar that was custom made and never picked up, they said it was a $1000 custom job.  A 72" bar would be the same price, $400.  I know this will add more capacity but also more width to the overall project, which means more $$ in track and carriage.  The other thing that I can't quite figure out is how the chain is tensioned, from the engine end or the roller end?  How is the tension applied?
More thoughts guys...

Flip
Timberking B-20, Hydraulics make me board quick

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Re: Home built slabber
« Reply #18 on: June 20, 2007, 10:48:47 AM »
how wide is the bar? a wider bar may hold the chain on it better over those long distances.
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lots of dull bands and chains

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Re: Home built slabber
« Reply #19 on: June 20, 2007, 10:51:47 AM »
I didn't ask, he called it a "super slabber" and was custom made by Cannon Bars.  I couldn't find anything on their web site about that particular bar, but it was made for a home built slabber.
Timberking B-20, Hydraulics make me board quick


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