Smallholders Insurance from Greenlands

Author Topic: Wood pile  (Read 5617 times)

Creagan

  • Joined Jun 2013
Wood pile
« on: February 21, 2017, 09:30:36 am »
So, I've got a full load of 3m timber lengths arriving in a couple of weeks' time. Estimated total weight of 24-25t. I am unreasonably excited about this! No more scavenging for old pallets :)

How much space is this pile going to take up? I'm having a hard time visualising what the footprint of the wood stack will be. I have plenty of space for it, but will need to shuffle things around a bit in preparation.

farmershort

  • Joined Nov 2010
Re: Wood pile
« Reply #1 on: February 21, 2017, 09:35:17 am »
1 tonne is roughly 1 cubic metre of chopped loads.  Neat stacking might reduce that volume a bit, but not much.

So you've got 25 cubic metres to play with in terms of different height, depth, width.

HTH

Womble

  • Joined Mar 2009
  • Stirlingshire, Central Scotland
Re: Wood pile
« Reply #2 on: February 21, 2017, 09:50:51 am »
I'm going to say more than that. Wood floats as a general rule, and there are also air gaps in between the stacked pieces, so it must have an overall density of less than 1 te/m3 (water).

This is quite a useful resource. It reckons (see table 7) that stacked wet spruce is going to weigh about 400 kg/m3. If That's right, you're going to need about 60 m3 of storage space!

Good luck!  That should keep you going for a while at least! ;D
"All fungi are edible. Some fungi are only edible once." -Terry Pratchett

pgkevet

  • Joined Jul 2011
Re: Wood pile
« Reply #3 on: February 21, 2017, 11:02:42 am »
The lazy way : http://www.thecalculatorsite.com/conversions/substances/wood.php

..comes out around 33 cu metres. So if the bits are 3m long you have a 5m wide by 2m high stack (as example). or I guess a full stacked logging trailer...

More to the point is what form it's in and how you handle it: freshly cut 2ft wide logs 3m long or salvaged rafters from old buildings..  You might have to cut and split it all to stack it usefully or just throw the bits as are into your new pile.

Creagan

  • Joined Jun 2013
Re: Wood pile
« Reply #4 on: February 21, 2017, 11:03:24 am »
Working from first principles is certainly one way of doing it!
Density of winter felled spruce? I'm assuming seasoned spruce is about 400kg/m3 so fresh felled might have a moisture content of say 50%, I think that means I'm looking at 600kg/m3 for green wood?
Then there is the stacking density- this gets very mathematical very quickly! Hexagonallly packed circles bound by an equilateral triangle... not even sure how to begin with that one...

I was kind of hoping that somebody else on here might have ordered a full load of wood in the past, and could just tell me how big the pile was :)

Dav275

  • Joined Nov 2015
  • Dumfries & Galloway
  • www.woodwallart.co.uk
    • WoodWallArt
Re: Wood pile
« Reply #5 on: February 21, 2017, 11:07:19 am »
We got a 25t lorry load in 2015.   The pic's show the pile after I had moved about 1/2 to 2/3 of it.    The stack as offloaded was from the back of the tractor to where the end is, and level with the highest point all along.  (Hope that makes sense).

I cut the 3m lengths in  half to start with, then re stacked in our 'wood yard'.  It filled  8 x double pallet platforms as shown in the picture.

Hope this helps.

Big Light

  • Joined Aug 2011
    • Facebook
Re: Wood pile
« Reply #6 on: February 21, 2017, 08:39:39 pm »
Just out of interest what kind of wood is it / who are out getting it from and what does that amount costs thanks

Creagan

  • Joined Jun 2013
Re: Wood pile
« Reply #7 on: February 21, 2017, 10:12:05 pm »
Just out of interest what kind of wood is it / who are out getting it from and what does that amount costs thanks

I went to Tilhill forestry, it was 700 for a full load plus 5% VAT, and then haulage on top. Obviously haulage depends entirely on the distance involved. It's worth finding out if any felling is planned near to you in the next few years.

I calculated that this stack of wood ought to keep my little woodburner roaring at full output for eighteen months continuously- so given I light it for maybe six hours a day in the winter months, I expect not to have to buy wood again for a very long time :)

Big Light

  • Joined Aug 2011
    • Facebook
Re: Wood pile
« Reply #8 on: February 22, 2017, 09:06:07 pm »
Thanks how much did the haulage set you back

Foobar

  • Joined Mar 2012
  • South Wales
Re: Wood pile
« Reply #9 on: February 23, 2017, 03:30:08 pm »
It's spruce yeah?  Are you cutting and splitting the 3m lengths or seasoning as is?


I have been felling some larch and its *really heavy*  .. going to be cutting it to log size and splitting before stacking to season. That should cut the seasoning time by a year I think.

Dav275

  • Joined Nov 2015
  • Dumfries & Galloway
  • www.woodwallart.co.uk
    • WoodWallArt
Re: Wood pile
« Reply #10 on: February 23, 2017, 05:49:37 pm »
Mine is spruce.   Cut into 1.5m lengths and left stacked on pallets exposed to wind and sun until I get round to splitting.     Cut to 0.5m lengths, split and stacked in covered log stores for at least a year until use.

Moisture content typically 20% or less by the time they go in boiler.

Creagan

  • Joined Jun 2013
Re: Wood pile
« Reply #11 on: February 23, 2017, 06:19:52 pm »
I believe it's spruce as that's what tends to be grown around here.
My plan is to cut some of it into rounds (length determined by stove firebox) and stack these in a well ventilated covered store. I'll cut as much in this way as I have storage for and/or can find time to do. Ideally I'd like to also split a bit of it just now as well, again subject to storage limitations.

For winter felled logs, if cut and split this spring, and stored in a slat-sided log store (in a very windy location, I might add), is it overly optimistic to hope that I might get the MC down to something acceptable by this coming winter?

Steph Hen

  • Joined Jul 2013
  • Angus Scotland.
Re: Wood pile
« Reply #12 on: February 24, 2017, 07:59:13 am »
[quote author=Foobar link=topic=82480.msg636294#msg636294 date=1487863808

I have been felling some larch and its *really heavy*  .. going to be cutting it to log size and splitting before stacking to season. That should cut the seasoning time by a year I think.
[/quote]

Don't envy you there, larch is so hard to work with, we've cut down 4 larch in recent years and it's so heavy, knotty and sticky! But certainly does burn   :)


For winter felled logs, if cut and split this spring, and stored in a slat-sided log store (in a very windy location, I might add), is it overly optimistic to hope that I might get the MC down to something acceptable by this coming winter?

They'll be fine for winter burning. Plenty of air gaps between the logs, even better if its south facing.

Creagan

  • Joined Jun 2013
Re: Wood pile
« Reply #13 on: February 24, 2017, 10:04:10 am »
So next stop- log splitter.
Saw Screwfix had some money off their cheapest one, down to 135- but it's not in stock everywhere. Grr. Why do they do that?

big soft moose

  • Joined Oct 2016
Re: Wood pile
« Reply #14 on: March 09, 2017, 07:57:37 pm »
Cheap spitters aren't worth the money , get a decent upright one or don't bother  - tbh you'd be better spending the money on a decent splitting maul and wedges

(the absolute best splitters are the ones that run off a tractor - assuming of course you have a tractor)

 

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