Forestry waste as feed for compost pile

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30 August, 2008

Forestry waste as feed for compost pile

I have been watching the conversation now, with some ammusement, because it
appears that people are trying to reinvent the wheel.

The National Forest Service spent some time looking at the different types
of chippers, and they found that auger type chippers ( few companies make
them ), give a very consistant product, with >75% of the chips falling
within a given size range, and and the majority of the remaining chips
usualy fall into the sizes just before and after.

To change the size of the chips, you change the size of the blade, and the
chips can be as small as 10-15mm ( .40 - .60 inches ) and as large as 60-100
mm ( 2.4 - 4 inches ), and if nessesary handle pieces of wood with diameters
up to 230mm ( 9 inches ), depending on the size of the machine and power
source. Here is one that can be used with any tractor that has a 3pt
hitch and PTO ( http://en.laimet.kummeli.fi/index.html?n=4464 ) it will chip
branches up to 100mm ( 4 inches ) and produce 2-6 cubic meters of 10-15 mm
( .40 - .60 inches ) chips an hour ( 2.6 - 7.8 cubic yards ) depending o
nthe type of wood, and you don't even have to dismount the blade to sharpen
it.

Labels: Wind Turbine

Written at Saturday, August 30, 2008 by Andy Mahoney.

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