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4 – CHOOSING THE WOOD
Use only natural wood and/or charcoal for barbecues. Do not use any other fuel.
The quality of your wood directly affects the heat production, the duration of combustion and the
performance of your appliance.
Softwoods generally burn hotter and faster, producing dangerously volatile sparks.
Hardwoods burn slower and produce better embers.
The moisture content of the wood is a very important factor to consider when buying or preparing
wood for your appliance. Freshly cut wood from a living tree (greenwood) contains a lot of moisture. As
you might expect, greenwood burns badly. You must dry the greenwood before using it in your
appliance. To dry green wood properly, split it, stack it and allow it to air dry for a year. The energy
value of dry wood is up to three times that of wet wood.
Below is a list of some wood species and their relative value of the weight and relative energy content
by volume of dry stacked wood.
The higher the energy content, the longer the duration of combustion. The highest energy wood is
usually the best for your appliance.
The main point of this table is, in the order of top to bottom and left to right, that it ranks the quality
of woods you can use in your appliance from best to worst.
Amount of heat from the wood:
(ordered by Energy content)
COMMON NAME
TALL
ORANGE TREE
WALNUT
IRONWOOD
BLUE BEECH
BLACK BIRCH
BLACK LOCUST
BITTER WALNUT
HONEY LOCUST
APPLETREE
ELM LEAF BLACKBERRY
WHITE OAK
MEDIUM-TALL
EUROPEAN BEECH
MAPLE
RED OAK
WHITE ASH
YELLOW BIRCH
MEDIUM
JUNIPER
RED OLM
COFFEE TREE
HACKBERRY
TAMARACK
GREY BIRCH
WHITE BIRCH
BLACK WALNUT
CHERRY TREE
GREEN ASH
Note:
One cord of wood = 128 cubic feet. (3.6 m
Lb/cord
MBTU/co
rd
4,728
32,9
4,327
27,7
4,267
27,3
3,890
26,8
3,890
26,8
3,890
26,8
3,832
26,7
3,832
26,7
4,100
26,5
3,712
25,8
4,012
25,7
3,757
24
3,757
24
3,757
24
3,689
23,6
3,689
23,6
3,150
21,8
3,112
21,6
3,112
21,6
3,247
20,8
3,247
20,8
3,179
20,3
3,179
20,3
3,192
20,2
3,120
20
2,880
19,9
3
Amount of heat from the wood:
(ordered by Energy content)
COMMON NAME
BLACK CHERRY
AMERICAN ELM
WHITE ELM
SYCAMORE
BLACK ASH
RED MAPLE
DOUGLAS FIR
BOXELDER
RED ALDER
PINE, A
PINE, B
PINE, C
CATALPA
WATER HEMLOCK
BLACK SPRUCE
PINE, PONDEROSA
POPLAR
WHITE WALNUT
FIR
WILLOW
BALSAM FIR
WHITE PINE
WHITE FIR
LIME TREE
HORSE CHESTNUT
WHITE POPLAR
CEDAR
of stacked wood) Lb=0.454 Kg. MBTU= 252Kcal)
25
Lb/cord
MBTU/co
rd
2,880
3,052
3,052
2,808
2,992
2,924
2,900
MID-LOW
2,797
2,710
2,669
2,669
2,669
2,360
2,482
2,482
2,380
LOW
2,290
2,100
2,100
2,100
2,236
2,236
2,104
2,108
1,984
2,108
1,913
19,9
19,5
19,5
19,5
19,1
18,7
18,1
17,9
17,2
17,1
17,1
17,1
16,4
15,9
15,9
15,2
14,7
14,5
14,5
14,5
14,3
14,3
14,1
13,8
13,8
13,5
12,2
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