Unseasoned prices

[arboriculturist]

I am surprised - but don't doubt you.

[Dan Maynard]

There's a factor here of shape, otherwise woodchip would be very light.

[openspaceman]

7 hours ago, Dan Maynard said:

There's a factor here of shape, otherwise woodchip would be very light.

It is in that if you chip a tonne of green hardwood  cord you end up with around  2.5m3 of chip.

[Dan Maynard]

It is in that if you chip a tonne of green hardwood  cord you end up with around  2.5m3 of chip.

Ah you may be right. I was thinking there's more air in between brash than chip, it gets smaller when you cut it up.

[openspaceman]

27 minutes ago, Dan Maynard said:

2 hours ago, openspaceman said:

It is in that if you chip a tonne of green hardwood  cord you end up with around  2.5m3 of chip.

Ah you may be right. I was thinking there's more air in between brash than chip, it gets smaller when you cut it up.

Yes you are right, chipping branches and twigs achieves a ~tenfold reduction in bulk as the air spaces reduce but chipping solid timber increase the bulk because you are introducing the air spaces.

Edited November 25, 2020 by openspaceman
word correction

[DocMustard]

On 24/11/2020 at 18:53, arboriculturist said:

Remember you have document that the customer needs to keep it for 2 years before burning.

Typical crap advice from the government & regulators. The thing that needs to be achieved is a reduction in moisture content. That could be achieved in one year if the wood is stored under cover with good airflow and a hot summer. The requirement to store it for 2 years is not specific enough, I.e. what if someone stored it outside with no cover in the rain etc for 2 years? Would that make it ready to burn, no, but it will have been stored for 2 years. My advice would be to sell the buyer a moisture meter with the wood! 

[Big J]

39 minutes ago, DocMustard said:

Typical crap advice from the government & regulators. The thing that needs to be achieved is a reduction in moisture content. That could be achieved in one year if the wood is stored under cover with good airflow and a hot summer. The requirement to store it for 2 years is not specific enough, I.e. what if someone stored it outside with no cover in the rain etc for 2 years? Would that make it ready to burn, no, but it will have been stored for 2 years. My advice would be to sell the buyer a moisture meter with the wood! 

Agreed. 

 

2 years assumes that all wood loses moisture at the same rate. Softwood (or poplar) firewood, stored in a breezy position (say in an IBC crate, 2m off the ground) will get to sub 20% in under 6 weeks in summer. Oak, stored in a closed garage might take 3 years.

 

Usual government nonsense, trying to regulate something they know sweet FA about.

[arboriculturist]

2 hours ago, Big J said:

Agreed. 

 

2 years assumes that all wood loses moisture at the same rate. Softwood (or poplar) firewood, stored in a breezy position (say in an IBC crate, 2m off the ground) will get to sub 20% in under 6 weeks in summer. Oak, stored in a closed garage might take 3 years.

 

Usual government nonsense, trying to regulate something they know sweet FA about.

Nicely put.