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Stacked vs Loose - sorry! With a twist...


TimberCutterDartmoor
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I sell (supposed to be giving up lol) "domestic" logs which are HETAS grade sizes i.e. 7-9" long blah blah blah as follows:

 

S/wood £70 loose m3

Mixed £75

H/wood £80.

 

I also do a lot of solid fuel biomass i.e big logs for BSL appliances and these logs are considerably bigger at 19" long and upto 9" diameter (split). I don't deliver them so save in that respect. Just process and stack as per pics.

 

The pic shows exactly 10m3 filled with stacked DF. I've been selling this at the same price as above i.e that lot would be £700 plus vat but am I short changing myself? There's deffo more than loose logs I reckon because that lot was an 8m3 forwarder load so x 1.5???

 

Someone at BSL (or was it on here?!) said they have to be a stacked cubic metre because the larger logs create bigger air gaps than the domestic ones so the stacking compensates for this.

 

Or am I seriously way off here?

 

Thanks in advance.

 

Too tired to answer you questions but my observation is that in alternating layers you are forcing square stacking, which with perfect cylinders would achieve 0.78 solids, whereas the same cylinders stacked on top of each other octagonally would achieve 0.91 so my guess is your stacks will contain 85% 0f the solid timber a similar sized stack laid all the same way would achieve.

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Too tired to answer you questions but my observation is that in alternating layers you are forcing square stacking, which with perfect cylinders would achieve 0.78 solids, whereas the same cylinders stacked on top of each other octagonally would achieve 0.91 so my guess is your stacks will contain 85% 0f the solid timber a similar sized stack laid all the same way would achieve.

 

85% interesting :thumbup1: given the forwarder load I know to the millimetre. Thanks :thumbup1:

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And yet processor beech is £65/tonne roadside down here at the minute.[/

 

There must be a better margin on the softwood firewood. Id be tempted to sell roadside at £65, stick to the softwood loose some customers, make more money. Sounds good in theory :lol:

 

I push softwood as much as possible they are coming round to it

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And yet processor beech is £65/tonne roadside down here at the minute.[/

 

There must be a better margin on the softwood firewood. Id be tempted to sell roadside at £65, stick to the softwood loose some customers, make more money. Sounds good in theory :lol:

 

I push softwood as much as possible they are coming round to it

 

Not had one customer complain about the mixed loads. Actually the opposite, they say how lovely the last load was etc etc

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I usually reckon my loose 1.1 cubic metre load gives a stacked volume of 0.7 of a cubic metre and this has been proved a number of times over the years with standard 10 inch logs and 500mm logs we do for log boilers.

 

On that basis your stacked 10 cubic metres should equate to about 14 loose so you should be charging an extra £280.

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I read somewhere that the following conversion factors are used for 33cm split length ... solid to split stacked is 1.5; split stacked to loose is 1.66. So 1cube of solid wood processes to 1.5 cubes stacked, which then produces 2.49 cubes when tipped loose. Therefore your 10 cubes stacked would be roughly 16.6 cubes loose making £1,162.

 

But this is for 33cm length and stacked lengthwise. I suspect your 10 cubes stacked in your method would produce a smaller conventional stack. Also, longer logs, as you say, will produce less wood in a loose cube due to bigger air gaps so it might cancel out the stacking volume gain.

 

Sent from my Alba 10" using Tapatalk

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