 
Wacapou (Vouacapoua americana)
Family: Caesalpiniaceae
Common names: Acapu, Amazon wood, Angelim-da-folha-larga, Baaka, Baaka kabi, Berkhout, Blackheart, Bois angelin, Bois perdix, Bois perdrix, Bonti, Bounaati, Bowhanti, Braunherz, Broin-at, Broinharti, Brownheart, Bruinhart, Dakamaballi, Epi de ble, Epi de bleu, Huacapu, Kabbi, Kabi, Partridge Wood, Pilon, Ritangueira, Sara, Sarabebeballi, Sarebeballi, Tjanaren, Tjanaren wakapoe, Tjatjaboetja, Vacapou, Vouacapou, Vouacapouholz, Wacap, Wacapoe, Wacapou, Wakabo, Wakabu, Wakapo, Wakapoe, Wegabaholz
Distributed in: Brazil, French Guiana, Guyana, Peru, Suriname (Central America, Latin America)
Distribution overview: The genus Vouacapoua consists of three medium-sized to tall and slender tree species with a limited distribution in the non-flooded areas of the eastern and northern regions of the Amazon basin. Wacapou (V. americana) is scattered in the forests in parts of Surinam and French Guiana. The best developed trees are found in the Para State in Brazil.
Common uses: Agricultural implements, Bedroom suites, Boat building (general), Boat building: decking, Boat building: framing, Bridge beams, Bridge construction, Bridge joists, Brush backs & handles, Cabinetmaking, Carvings, Chairs, Charcoal, Chests, Concealed parts (Furniture), Cooperages, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Fine furniture, Floor lamps, Flooring, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, Handles, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery (external): ground contact, Joinery, Kitchen cabinets, Light construction, Living-room suites, Marine construction, Mine timbers, Moldings, Office furniture, Paneling , Paneling, Parquet flooring, Piling, Posts, Pulp/Paper products, Radio - stereo - TV cabinets, Railroad ties, Rustic furniture, Shafts/Handles, Stairrails, Stairworks, Stools, Stringers, Structural work, Sub-flooring, Tool handles, Turnery, Vehicle parts, Veneer: decorative, Wainscotting, Wharf construction, Wheel spokes, Wheels
Product sources: The handsome, dark colored wood is highly popular in Brazil for heavy durable construction and flooring, and the species is a source of the best timber in French Guiana.The ITTO reports that timber production from the species is low but regular. The timber is exported in low quantities.
Environment profile: Status unknown in many of its growth areas
Tree size: Tree height is 10-20 m
Colors: the heart isReddish brown, Yellowand the sapwoodWhitish, Yellow.The grain isStriped figure, the textureMedium to coarseand the lusterMedium
Natural durability: Susceptible to marine borer attack, Very durable
Odor: No specific smell or taste
Wood in the green condition has a slight unpleasant odor
LightInduced Color Change: Darker
Kiln Schedules: T7 - B3 (4/4) US
Kiln Drying Rate: Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm)
Drying Defects: Slight surface checking, Slight twist/warp
Ease of Drying: Moderate
Tree Identification: Bole/stem form is straight
Comments: General finishing qualities are rated as good Mechanical and physical properties superior to white oak
Blunting Effect: Moderate effect
Boring: Fair results
Cutting Resistance: Cutting Resistance with green wood is moderate
Gluing: Glues well
Mortising: good
Nailing: Pre-boring recommended, Tends to split during nailing
Planing: Planes well, to a good finish
Resistance to Impregnation: Heartwood is highly resistant
The heartwood is rated as highly resistant to preservative treatment
Response to hand tools: Poor response to hand tools
Sanding: Yields smooth, clean surfaces
Veneering qualities: Bolt preparation requires steaming, Drying degrade is often moderate to severe, with collapse, buckles, and splilts
Screwing: Possible if prebored, Screwing yields good results; Turning: Responds satisfactorily
Painting: Good; Polishing: Very Good to Excellent; Varnishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
0,77 |
|
|
Density |
|
929 |
kg/m3 |
Bending Strength |
1071 |
1572 |
kg/cm2 |
Crushing Strength |
128 |
199 |
kg/cm2 |
Hardness |
|
922 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
138 |
kg/cm2 |
Stiffness |
165 |
165 |
1000 kg/cm2 |
Tangential Shrinkage |
7 |
|
% |
Radial Shrinkage |
4 |
|
% |
Weight |
929 |
913 |
kg/m3 |
Maximum Load |
0,98 |
1,19 |
cm-kg/cm3 |
Toughness |
|
229 |
cm-kg |
Static Bending |
857 |
945 |
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 15242 | 22364 | psi | Crushing Strength | 1823 | 2831. | psi | Density | | 58 | lbs/ft3 | Hardness | | 2033 | lbs | Maximum Crushing Strength | 8614 | 11405 | psi | Shearing Strength | | 1971 | psi | Static Bending | 12201 | 13446 | psi | Stiffness | 2355 | 2360 | 1000 psi | Toughness | | 199 | inch-lbs | Work to Maximum Load | 14 | 17 | inch-lbs/in3 | Specific Gravity | 0.77 | | | Weight | 58 | 57 | lbs/ft3 | Radial Shrinkage | 4 | | % | Tangential Shrinkage | 7 | | % | Volumetric Shrinkage | 13 | | % | |
Crushing strength = high 0 Density (dry weight) = 61-67 lbs/cu.ft 0 Density (dry weight) = 53-60 lbs/cu. ft 0 Shrinkage, Radial = moderate 0 Modulus of Elasticity (stiffness) = high 0 Hardness (side grain) = hard 0 Bending strength (MOR) = high 0 Shrinkage, Tangential = moderate 0 Bending strength (MOR) = very high Bending strength (MOR) = medium Shearing strength (parallel to grain) = medium Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = medium Shrinkage, Tangential = small Density (dry weight) = 46-52 lbs/cu. ft. Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = large Shrinkage, Radial = fairly large Shearing strength (parallel to grain) = high
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