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Thread: Firewood Length

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  1. #1
    Join Date
    Mar 2008
    Location
    Barrington, NH
    Posts
    2,763

    Default Firewood Length

    What size wood should I cut for my 2.5x8 Grimm. It has 30" grates.

    After realizing how much would I'd be burning between my house and evaporator I'm giving a wood splitter some serious thought. I've found they are surprisingly expensive even when used and that 24" splitters are pretty common. Would 24" logs be long enough for the firebox or would 30" be better? Does a 25 ton splitter have enough power to split most anything?

    Thanks
    Josh

    2009 - 370 on vac. & 16 buckets
    2010 - 377 on vac.
    2011 - 590 on vac.
    2012 - 620 on high vac., 170 buckets, 110 on gravity tubing
    2013 - 830 mine + 800-1000 others
    2014 - 870 mine + 800-1000 others
    2017 - 920 mine + 500-700 others
    2018 - 902 mine + 500-700 others
    2019 - 902 mine + 700 others
    2020 - 902 mine + ???? others
    Atlas Copco Pump
    2.5'x8' 802maple Special with Dallaire pans
    H2O Innovation 600gph RO
    Spring Harvest Website

  2. #2
    Join Date
    Jan 2004
    Location
    Norwood, NY
    Posts
    1,872

    Default

    Usually the width of the frie box it the lenght of the wood to be burn. Also 2.5 is the dia of wood to be burned. 24 " wood may work a litle better being it will be some what easier to put in. You will always have the opition of pushing some of it forward when firing.
    Maple syrup makers never die, they just evaporate.

    Kubota M-5040,Kubota B-2650,Kubota XRT 900, Sugarhouse is now a guest cottage.

  3. #3
    Join Date
    Apr 2009
    Location
    Gill, Massachusetts
    Posts
    15

    Default

    Josh, i just read in "The Maple Sugar Book" by Helen and Scott Nearing that it's better to go with a length of wood that is smaller than your fire box. They were burning 4 foot length and then burned 1/2 4ft length and 1/2 3ft length. I would go with 24inch in yours for the same reasons as The Nearings went to 3 foot lengths "1)the shorter wood can be crossed more easily in the firebox, keeping the mass of burning fuel more open to the draft, 2) once in the firebox, the 24inch wood can be poked and shifted about more easily, 3) the bulk of the flames are kept nearer the firing door and thus travel farther under the evaporator before reaching the stack, and 4) the mass of charcoal that piles up at the back of the firebox on a long boiling day, clogging the draft and raising the new wood up to the bottom of the front pan is far less with 24inch wood than with the longer wood." That was all from the book, and makes sense to me. have fun.
    Just a Gillbilly trying to make some syrup, and have fun with friends and family.

  4. #4
    Join Date
    Feb 2006
    Location
    Northwest Pa
    Posts
    902

    Default

    The saying from the "OLD GUYS" is never cut your wood longer than you fire box is wide.

    Our two cents
    Jim
    Maple consultant for 50 years

  5. #5
    Join Date
    Mar 2008
    Location
    Barrington, NH
    Posts
    2,763

    Default

    HM, I read that book last month...great read. I do remember it saying that.

    Thanks

    Trying to talk my wife into letting me get a tractor, then I can just get a 3pt hitch mounted splitter. The tractor probably won't happen till the fall at the earliest.
    Josh

    2009 - 370 on vac. & 16 buckets
    2010 - 377 on vac.
    2011 - 590 on vac.
    2012 - 620 on high vac., 170 buckets, 110 on gravity tubing
    2013 - 830 mine + 800-1000 others
    2014 - 870 mine + 800-1000 others
    2017 - 920 mine + 500-700 others
    2018 - 902 mine + 500-700 others
    2019 - 902 mine + 700 others
    2020 - 902 mine + ???? others
    Atlas Copco Pump
    2.5'x8' 802maple Special with Dallaire pans
    H2O Innovation 600gph RO
    Spring Harvest Website

  6. #6
    Join Date
    Mar 2009
    Location
    Lyman, NH
    Posts
    2,311

    Default

    I burn 22" wood in my 3x10 because it also fits in my woodstove.
    2012: Probably 750 gravity taps and 50 buckets.

    600 gal stainless milk tank.
    2 - 100 gallon stock tanks
    one 30 gal barrel
    50 buckets

    3' x 10' Waterloo Raised Flue wood fired evaporator w/ open pans.

    12" x 20" Filter Canner

    Sawmill next to sugarhouse solves my sugarwood problem

    Gather with GMC 3500 2wd Pickup w/ 425 gallon Plastic Tank.

    Been tapping here in Lyman NH since 1989 but I've been sugaring since 8 years old in 1968.

  7. #7
    Join Date
    Jan 2008
    Location
    Marlborough, NH
    Posts
    163

    Default

    Anywhere between 2' and 2.5' should work fine. Both of our splitters are 36" and the evaporator is 36" wide, so I guess we obey the "no wider than the evaporator" rule. It seems to work well. Not a bad idea to split some stuff smaller than normal though, just to have something available to fill the nooks and crannies when the firebox is full of larger pieces.
    Scott
    UNH Environmental Research Group
    Dublin School "Maple Guy"
    Around 1300 taps for 2010
    3x12 Grimm and Steam Away
    2 1-ton trucks, Polaris Ranger, plenty of tractors
    http://www.dublinschool.org/home/con...student%20life
    www.collsfarmllc.com

  8. #8
    Join Date
    Jan 2009
    Location
    Ayer's Cliff Quebec
    Posts
    3,185

    Default

    Neighbour has one of those cheap 25 ton splitters that sell here for around 1500 bucks and he splits maple all day with it.I have seen guys split wood with those really cheap 3 ton splitters. They split straight grain wood semi okay but what idiot invented a wood splitter thats a foot off the ground must have been short or had a iron back.
    maybe 50 taps for 2011
    Finally ready to boil when I get enough sap
    I just might be crazy.( make that I know I am)
    Trees all tapped except the ones with 5 feet of snow.
    Enough rabbits to keep Elmer busy..

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