Moisture level drop in stacked Roundwood?

[cornish wood burner]

We dry 3000 tonnes a year on a windy site and after 2 years the top of the stack is close to 25%MC. Bottom metre or so can be 40% as the wind does not get through. Stacks are up to 5 metres high and uncovered. Variety of species but a lot of larch. Average diameter around 400mm. Some up to 1metre dia which are obviously much wetter.

Prevailing wind hits at 45 deg so blows up between the stacks and through them.

All measurements taken in dry weather.

Regards

[openspaceman]

Average diameter around 400mm.

 

Now I understand how you can feed 50 tonnes/hour through a chipper!

[mendiplogs]

I'll start again,been a long week and weekend for me, the poles they use at APF are approx 30 to 35 mtrs in hight total bout 100ft with 10 plus mtrs in the ground 10 to 15ft with 25 mrts above ground bout 85 mtrs.

 

Weighed 6.5 tons when used them at show in 2012 then stacked in farm yard for 2 years then reused this year2014 and weighed in at 4.5 tons with a moisture loss of 2 tons 40 to 60% loss in moisture.think got it right now I can go back to bed:confused1:

 

Hi shires I'm told they come from long leat forestry or Lord bath thanks Jon

[Johny Walker]

A couple of pertinent photos.

(i) Logpile lies to the Sun

(ii) Weigh of a 0.5m3 billet bundel when fresh split.

Same bundles weighed 160 to 165 when at 12 or 15% moisure

 

were do you get the scales from

[cornish wood burner]

Now I understand how you can feed 50 tonnes/hour through a chipper!

Sorry Spaceman memory must be going. Had a look today and the wood we were chipping had a lot of small in it so I would say an average of 300mm dia. Chipper crane just picks up several instead. Some other batches would average 400 but not the one we were chipping.

The guy who operates the chipper and crane is very good and with 780hp it doesn't slow down for much.

[arboriculturist]

We dry 3000 tonnes a year on a windy site and after 2 years the top of the stack is close to 25%MC. Bottom metre or so can be 40% as the wind does not get through. Stacks are up to 5 metres high and uncovered. Variety of species but a lot of larch. Average diameter around 400mm. Some up to 1metre dia which are obviously much wetter.

Prevailing wind hits at 45 deg so blows up between the stacks and through them.

All measurements taken in dry weather.

Regards

 

Thanks for that data-brilliant