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Author Topic: Whatcha Sawin' ???  (Read 766309 times)

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Online Darrel

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Re: Whatcha Sawin' ???
« Reply #7800 on: December 07, 2017, 10:16:30 am »
Good news indeed! 
1992 LT40HD

The winds of change are blowing at hurricane force and I don't like it but good shall come even though I see not how.

Offline BigZ La

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Re: Whatcha Sawin' ???
« Reply #7801 on: December 07, 2017, 10:44:01 am »
That's some really good news Fish. Glad to hear it can be managed. Going to make it up your way one day.

Offline Novascotiamill

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Re: Whatcha Sawin' ???
« Reply #7802 on: December 07, 2017, 06:05:56 pm »
Beatiful sunny plus six day in Nova Scotia so I decided to go fetch some oak logs a neighbour who was clearing a building lot donated. He was kind enough to lop them a tad over 8 ft and has his excavator guy stack them were I could pick em up with my tractor forks. This is the first oak Ive sawn! Hope I can load the picture. Have a great day.

 
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Online terrifictimbersllc

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Re: Whatcha Sawin' ???
« Reply #7803 on: December 07, 2017, 07:59:01 pm »
Today I sawed a 10' x 4-1/2' yellow poplar log with the Peterson chain slabber.  460 square feet of 2-1/2" thick slabs. 


 
 

Yesterday it was a 38" x 9' butternut and a 33-48" x 11' sequoia, 525 sq ft total.  The sequoia is shown below. Between the 2 days there were about 2450 board feet of 2-1/2" slabs.  I used a dozen chains.  Some cut slow but all of the slabs were perfect as far as the sawing went and the customer was very happy with them.


 
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. LogRite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline fishfighter

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Re: Whatcha Sawin' ???
« Reply #7804 on: December 08, 2017, 11:49:17 am »
What kind of pay scale do you use?

Snow day here. Something that don't happen. :o

 

 

 ;D

Online Crusarius

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Re: Whatcha Sawin' ???
« Reply #7805 on: December 08, 2017, 12:14:30 pm »
That is not even a dusting.

I ended up with about 3" last night
I knew what I thought I meant.

Offline fishfighter

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Re: Whatcha Sawin' ???
« Reply #7806 on: December 08, 2017, 01:15:15 pm »
That is about what we had here. Last snow fall was Dec 2008. Don't happen much here. :D We have about two or three more cold days and then we will be back in the 70's-80's. 8)

Offline WV Sawmiller

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Re: Whatcha Sawin' ???
« Reply #7807 on: December 08, 2017, 06:24:44 pm »
   Could be some super deer hunting if season is still in. You have some big grown deer who have never seen snow and they can be readily driven with dogs (where legal) or man-drives. Plus you can see a deer moving in the snow a lot further than against a bare brown background. Good luck and be careful. Snow makes things slippery and falls hurt.
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Online terrifictimbersllc

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Re: Whatcha Sawin' ???
« Reply #7808 on: December 08, 2017, 07:14:49 pm »
What kind of pay scale do you use?
Sorry I missed your question.   I have charged chain slabbing by the square foot area of the saw cuts.  I give the rate per square foot in advance in my sawing agreement. I made a calculator to predict the sawing area and cost of a log of given length, diameter, slab thickness and predict this for the customer in advance.  I charge a premium, about 25% more, for cuts with average areas over 42" wide.   I also have a minimum charge that depends on distance.

The cost for chain slabbing is usually 3-4 times what people usually pay me for band sawing an equivalent volume of wood.  Of course there is little comparison otherwise, starting with the differences in log and board sizes.  I don't cut boards less than 2-1/4" thick and seldom less than 32" wide, since I don't use this method when the job can be done with my LT40 super.  Chain slabbing isn't for those customers who want economy lumber from big logs. 

In practice, after each cut, when the slab is removed, I measure the area of the freshly cut surface below.  I can accurately measure an irregular sawn area in about 30 seconds by defining that area as a regular trapezoid.   Here's how.

The log length is L.  I measure a width at one end,  usually the width of solid wood at that end, but it could be between any two points at that end. I call this width W1 (width 1).  To define the width of the other end of the trapezoid, I hook the tape measure to one of the points just measured for W1,  and stretch the tape down that side of the log to the other end,  and adjust the tape (I am using it as a straightedge),  so there is just as much solid wood outside the line as there are gaps (lack of wood) inside the line (the tape is the line).  I note the tape position at the other end.  I do the same thing down the other side and note that position of the tape.  Then I measure between these two points I have just noted, that is W2 (width 2).  W1 and W2 are the widths of the end of a regular trapezoid,  of length L.  The square foot area  is (W1 + W2)/2/12*L.   

I note Cut#, W1, W2, and L for each cut, with a pencil and paper,  then put them in an excel sheet at the end of the job, to figure up the area of each cut and total area.  There are usually 1 more cuts than there are slabs at the end of each log.

There has been a lot of discussion here about charging for sawing irregular boards and means of measurement of irregular areas.   In my mind measuring sawing costs of natural edge slabs by measuring sawing area needs no comparison with conventions about board foot measurement and I have never had a disagreement with any customers in this regard. 

Here's a drawing showing this 30 second area measurement of an irregular slab.  I am moving the tape at the bottom to make the wood outside the line fill the voids inside the line, and noting the 2 points that give W2.  I am doing this quickly and with a preference to err in favor of the customer.
 

 

Disclaimer.  The formula is for a regular trapezoid where the log/slab ends are parallel to each other (log cut off squarely). I keep this in mind and make sure to try to  err in favor of the customer if they aren't.  This method should very closely approximate the area.
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. LogRite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline 50 Acre Jim

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Re: Whatcha Sawin' ???
« Reply #7809 on: December 08, 2017, 07:46:52 pm »
Nice formula terrifictimbersllc.  Wait, what???   ???
Constantly reinventing the wheel...

Online terrifictimbersllc

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Re: Whatcha Sawin' ???
« Reply #7810 on: December 08, 2017, 08:41:24 pm »
Nice formula terrifictimbersllc.  Wait, what???   ???
The area of a regular trapezoid is the average width  (W1+W2) divided by 2, times the length. 

For example a rectangle is a regular trapezoid, so take a board 1 foot wide at each end, and 12 feet long.   The area is (1+1)/2, times 12 or 12 square feet. 

Another example, instead if it were not a rectangle but instead a trapezoid with 6 inches wide at one end and 18 inches at the other, the average width is 1 foot and the area is the same, 12 square feet. 

Note I posted a drawing of this above. 
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. LogRite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline cwimer973

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Re: Whatcha Sawin' ???
« Reply #7811 on: December 08, 2017, 09:03:42 pm »
Nice to see that snow in the south. Maybe now we can revisit the “when to stop sawing thread” and the we never get “...” replies can be modified.

Coming our way but frost on the pad means mill in the shed. Happy early white Christmas to the forum, we cleaned leaves in jersey today and should see 2” by the afternoon tomorrow.
Your Fellow Woodworker,
- Chris

Offline fishfighter

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Re: Whatcha Sawin' ???
« Reply #7812 on: December 08, 2017, 09:41:58 pm »
   Could be some super deer hunting if season is still in. You have some big grown deer who have never seen snow and they can be readily driven with dogs (where legal) or man-drives. Plus you can see a deer moving in the snow a lot further than against a bare brown background. Good luck and be careful. Snow makes things slippery and falls hurt.

My SIL bagged this this evening. 21 1/4" inside spread 8 pointer that is very easy over 200lbs. ;D