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Author Topic: Sawing 30' beams  (Read 11702 times)

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Offline woodrat

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    • Red Alder Ranch
Re: Sawing 30' beams
« Reply #60 on: December 14, 2004, 03:25:39 PM »
I don't have much of a home setup right now. I was hoping to get a pad and a shed built up by my barn this last summer, and like so many things, it didn't happen. Now I am hoping to get it done this spring. Then I want to set my mill up stationary and focus more on selling nice interesting wood than on running all around doing little custom jobs.

I have been all over with the mill though, and I've get to meet a lot of different kinds of people and see a lot of people's homesteads. That part has been cool. You joke about my tires, but its true! The second to last time I went to CA for work, one of the trailer brake parts wore out, fell off and locked up that wheel at 65 MPH and before I could even think- boom, there goes the tire and fender bouncing down I-5. Luckily no one hit them. I got a used rim and tire at the next stop, saddled back up and went on. The next day, when I got to the end of the paved road, nine miles from the job, some yahoo runs me into the ditch, and blooey! there goes that tire again! and the rim! ...again! At that point, I just decided to keep going, since I had no spare, was waay out in the backcountry and couldn't even get a cell signal to call the customer. Nine miles on the back road riding right on the steel rim, boy was that loud! it was quite a sight too!

just got home again last week or so from another out of town job and this time it was a wheel bearing that had gone out, trashing the spindle too, so now I am idle, waiting for my new axle assembly to come in... you can't really hear or feel a trailer axle bearing the way you can if its on your truck. I never even knew it was going.

Anyway, you're welcome to come by anytime, hopefully by then I will have my gravelled mill site set up, and be sawing some nice locust or something. I'm right on hwy 4 just west of skamokawa proper.

:)
Mark
http://www.redalderranch.com  - lumber and sawmilling, blog, links, kayaking

Offline Gilman

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Re: Sawing 30' beams
« Reply #61 on: December 14, 2004, 06:49:57 PM »
Nice tire story :) :) :)
WM LT70, WM 40 Super, WM  '89 40HD
Cat throwing champion 1996, 1997, 1999. (retired)

Offline woodrat

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Re: Sawing 30' beams
« Reply #62 on: December 14, 2004, 07:13:21 PM »
here's the rim after nine miles with no rubber.

http://www.redalderranch.com/pictures/bentrim.jpg
http://www.redalderranch.com  - lumber and sawmilling, blog, links, kayaking

Offline Gilman

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Re: Sawing 30' beams
« Reply #63 on: December 15, 2004, 08:43:58 AM »
 :o  :D :D
WM LT70, WM 40 Super, WM  '89 40HD
Cat throwing champion 1996, 1997, 1999. (retired)

Offline woodrat

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Re: Sawing 30' beams
« Reply #64 on: December 15, 2004, 10:39:13 AM »
 :o   yeah, that's what my client looked like when I rolled in ...
http://www.redalderranch.com  - lumber and sawmilling, blog, links, kayaking

Offline Gilman

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Re: Sawing 30' beams
« Reply #65 on: November 23, 2005, 12:21:56 PM »
Sawed a 9 x 13 x 30' beam w/ a 6' extension the other day (26' of bed).  I didn't use my 24' extension because it's 24' long, would require 2 more trips to deliver the extension and return it and wouldn't be fun to setup in someones field.  The photos were taken at the customer's field while sawing the beam.  See, there really is such a thing as a perfectly round and straight log.   :D

I mostly used Bibby's method but added one feature (Thanks Bibby for your detailed explaination on how to cut a beam over 20').  The beam was full sawn Free of Heart so the slabs were pretty thick, one over 12" thick.  Using wedges to lift the thick slabs for backing the blade out didn't appeal to me.  Below is shown the same method used but with a Boxed Heart beam.

On the first cut I raised the blade 1/2" - 3/4" higher than I wanted the finish cut.  Once I got to the end of the first cut ~24' down the log, peaveys were used to raise the slab.  Using the peaveys to raise the slab to back the blade up is quicker and easier than using wedges.  With the slab pried up, the blade was backed up ~4' and then a chainsaw was used to cut the slab off at the end of the cut.


Slab cut off with a chainsaw


Starting your cut 1/2" - 3/4" above your finish cut lets you cut the slab off with a chainsaw without worring about making a perfect cut and stopping prior to nicking the finished beam.



The log was then turned 90 degrees and the above process was repeated.  Once two 24' flat faces were done the 3'rd face was cut with the same process. 




The saw head was then backed up and the toe boards were fully raised.  The cant was cut at the finished height down 24' creating a 1/2" thick slab that the blade could easily back out of.  This 1/2" thick slab was cut off with a chainsaw and a scrap spacer under to make sure the beam didn't get damaged.  Kind of hard to see, but there is a finish cut ~20' long.


Once cut, the cant was pushed back far enough to finish the cut


On the 4th face, the 1/2" slab wasn't needed.  The slab was flexible enough to pry up with peaveys, add a scrap spacer, and cut with a chainsaw.

Back to the 1st face.  With the toe boards DOWN and the cant hanging over the far end of the mill a 1/2" thick slab cut was cut to 20'.  Then the 1/2" thick slab was cut off with a spacer.  The head was returned and raised, toe boards raised, can pushed back and then lowered to the bed.  Then the 1/2" slab cut was finished.  The last face was cut with the same method.





WM LT70, WM 40 Super, WM  '89 40HD
Cat throwing champion 1996, 1997, 1999. (retired)

Offline Gilman

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Re: Sawing 30' beams
« Reply #66 on: November 23, 2005, 01:03:59 PM »
The above beam was cut with the assistance of a front end bucket on a tractor.  Unfortunately the center of gravity was just past the second toe board. If there was a 3rd toe board on the extension, it would have been much easier.  Being able to cut 1 long beam with this method saved about 6 hours of work verses using the 24' extension.
WM LT70, WM 40 Super, WM  '89 40HD
Cat throwing champion 1996, 1997, 1999. (retired)

Offline Fla._Deadheader

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Re: Sawing 30' beams
« Reply #67 on: November 23, 2005, 02:59:55 PM »

 Gilman
 That's exactly how we sawed the 24' Beams for the loggin Boat, on our 16' mill bed.  Gotta be careful cuttin them slabs off with that chainsaw.

  We could'a sold them 24' long 2 X 8's for BIG bucks the very next day, If we hadda left 'em long.  ::) ::) :D :D
All truth passes through three stages:
   First, it is ridiculed;
   Second, it is violently opposed; and
   Third, it is accepted as self-evident.

-- Arthur Schopenhauer (1788-1860)

Offline Gilman

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Re: Sawing 30' beams
« Reply #68 on: November 23, 2005, 03:02:54 PM »
Strange how it seems to work that way.   :-\
WM LT70, WM 40 Super, WM  '89 40HD
Cat throwing champion 1996, 1997, 1999. (retired)


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