Dimensions: 4.9"x1.71"x0.349" Weight (oz): 4.0 Shore D Hardness: 80 All scales and blocks are stabilized unless otherwise noted. Persimmon (Diospyros virginians) – related to ebony, it was once used for golf club heads. Wood Variety sorted by Hardness Macassar Ebony 3220 Screwbean Mesquite 2335 Persimmon 2300 Dogwood 2150 Ohia 2090 Osage-Orange 2040 The most common hackberry wood material is wood. Seido, a maker of traditional Japanese weapons, states that although both sunuke and isu are harder and heavier than Japanese oak, they are not suited for contact practice. Oak (Sessile AKA English Brown Oak – Quercus petraea) – Its qualities are similar to American Oak rather than kashi. Figure 1: Wood Hardness Scale. Most merely sit on a rack in a tokonoma, never used. The highest rating so far is 5,060 lbf, which is the hardest wood. While wind instruments can technically be made from any wood, hackberry is not considered a tonewood. Schenck & Company is pleased to provide you with this valuable resource to assist you with your decision. There is absolutely nothing to recommend this wood as a weapons wood. According to a report from koryu practitioner: “I had a Padauk bokken once. Japanese persimmon (kaki) of which there are few rating numbers, was rarely used for wooden weapons or tool handles, although it was used to make traditional musical instruments. ), and it’s sometimes used in place of ash. The strength (MOR) at … The hardness of wood is calculated by a test that measures the force needed to embed a .444-inch steel ball to half its diameter in wood. Its durability depends on the quality of the wood (was it harvested at the right season or is the wood not ripe? Persimmon trees are almost entirely sapwood (the heartwood is dark and may only be an inch in diameter). The Janka Hardness Scale is used to rate the hardness of wood. Great for furniture and musical instruments. The most common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. Cocobolo – Almost too beautiful. Guide to the Trees of North Georgia and Adjacent States Web Page © Richard Ware send Richard an E-mail 639 Hackberry Wood blanks, bookmatched figured knife scales wood turning blank, For woodworking, Hobbies, Carpenter, Raw Materials WoodProductsHouse. The most signigcant and common uses for Maple in which the wood worker would likely want to be sure to use Hard Maple are those uses in which hardness and strength are essential, such as when making butcher blocks, flooring, workbench tops, or other high and hard use applications. I have long been told that wood hardens as it ages, but I have anecdotal evidence that this is not always true. Other varieties of hackberry vary in hardness (one … But it is brittle as glass. Very hard – doesn’t dent very much. A simple comparison of the lb/ft3 of cedar and any other species will tell you what you can expect in added weight. It’s overall appearance is similar to ash (Fraxinus spp. Problems: it is classified as a “vulnerable” species, the dust is poisonous, causing both respiratory and dermatitus, and the splinters will go septic in your body. takes 1 yr. to season, a 4″ stick tages 2 years, etc. Burning unseasoned wood is 30% less efficient. Scientific Name: Celtis occidentalis, Celtis laevigata, Tree Size: 40-60 ft (12-18 m) tall, 1-2 ft (.3-.6 m) trunk diameter, Average Dried Weight: 37 lbs/ft3 (595 kg/m3), Specific Gravity (Basic, 12% MC): .49, .60, Modulus of Rupture: 11,000 lbf/in2 (75.9 MPa), Elastic Modulus: 1,190,000 lbf/in2 (8.21 GPa), Crushing Strength: 5,440 lbf/in2 (37.5 MPa), Shrinkage: Radial: 4.8%, Tangential: 8.9%, Volumetric: 13.8%, T/R Ratio: 1.9. Think & Tinker, Ltd. Closed President's Day Monday, February 15, 2021 × Closed Presidents' Day February 15, 2021. Birch – Relatively hard wood. takes 1 yr. to season, a 4″ stick tages 2 years, etc. And others are great woods, but are two twisty to fabricate weaponry suitable for Japanese martial training. Richard, very nice bowl. When in doubt about the type of wood to select for your cabinetry, flooring, furniture or millwork project, refer to the Janka Rating System, which measures the relative hardness of woods. It does not take lateral force well. Grain/Texture: Grain is interlocked and irregular. It has a very beautiful yellowish to dark brown-redish color with a very lively grain; sometimes with white or black stripes. From personal experience it is ultra resistant. A practitioner of An Maide Bata, writes: “I have had my blackthorn shillelagh for three years now for high impact training against various woods and it doesn’t even have a nick. Relative hardness table of domestic and exotic woods. The Irish also used shillelagh of oak, crab-apple, holly, or hawthorne as weapons of self-defense and combat. A variety was used in Juego de Palo, Canary Island Stick-fighting, as well as for some shillelagh in Ireland. Hackberry – Hackberry is has a wide range of different species. It had very long, strong straight fibres and seemed to have good crush resistance. Do trainees maintain the staff properly or not by oiling it or placing it in water for 2 hours before use).” Hackberry is remarkable for its ease in streaming and bending. The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. For most every other common use of maple, just about any species will do just fine and they … I do not recommend this wood for weapons. Search. At the fourth impact, it broke at an angle along the grain line, as if was cut. It was a beautiful thing to behold but dented easily and broke without taking much abuse.”. A general principle should be that only evergreen rather than deciduous oaks are suitable for impact weapons. Relative hardness of wood flooring species. It would be helpful to determine the density (hardness) technically. It makes a wonderful, heavy suburi-to, as you can see in the picture. Hardwood Flooring - Interested in Hardwood floors? Bloodwood (Brosimum rubescens) – Beautiful wood! They can make good suburi-to, but are not useful beyond that. Note the photograph below of a French Ilex Pen-bazh (a Breton version of the shillelagh. One variety, the Mediterranean Hackberry (celitis australis) is also known as the European Nettle tree or Lotus. I would also guess that its pore structure would not be ideal. The test measures the force required to push a steel ball with a diameter of 11.28 millimeters (0.444 inches) into the wood to a depth of half the ball's diameter (the diameter was chosen to produce a circle I’ve had several tanto made from that bokken.”. Bubinga (Guibourtia tessmannii) – a beautiful wood, varying from pinkish, reddish and a rich blood/brown. Burning unseasoned wood is 30% less efficient. The Jenka scale is measured in pounds-force. It possibly would make an excellent staff weapon, or walking stick, but it is probably too light for Japanese weapons. ), with the pores arranged in wavy tangential bands (ulmiform arrangement), which is characteristic of the elms. You guessed it: brown. There are far better options among the heavy weapons woods, such as verawood. Most tonewoods are quite dense, which is what makes the acoustic qualities of most (medium to small) wind instruments good. Woods with a higher rating are harder than woods with a lower rating. However, they ‘ring’ unpleasantly in the hands upon impact, something I’ve found with other ebony species. A measure of the hardness of wood, which is produced by a variation on the Brinell hardness test. Perhaps it was this plank, this tree. The heartwood is dark brown, where the sapwood is pale in color. Some use greenheart as a benchmark wood to compare to others suitable for high-stress/intensity use. Black Palm – It is fairly hard and dense with a very stringy grain. The hardest commercially available hardwood is hickory, and it is five times harder than aspen, one of the “soft” hardwoods. Hackberry is a little stronger and stiffer than many other hardwood species; it is quite close to elm and just little below ash. 10-30% Off Every Day. Janka Hardness Scale. This wood hardness scale starts at 0 lbf, the wood closer to which is the softest and most prone to scratches and dents. Janka Hardness Scale – ???? Because wood drys alot from the sides also, a 2″ stick . Dark streaks of mineral are common. Fluorescence: A Secret Weapon in Wood Identification, Bow Woods (from a mathematical perspective), Brazilian Rosewood, East Indian, and Other Rosewoods, Genuine Lignum Vitae and Argentine Lignum Vitae, BOOK: WOOD! Amundsen and Shackleton’s polar expedition ships were sheathed in greenheart. It easily checks and warps unless properly seasoned and is not a durable wood when exposed to the elements. It was also used for fly fishing rods, which indicates that it is also very flexible. The wood is boring to look at – an off-white without any depth, and it is just not strong enough. Sabina – this variety of juniper was used in construction, as well as for weaponry (staves) for Canary Island stick fighting. Others splinter easily. Rot Resistance: Rated as non-durable to perishable. I’ve read several reports that it is brittle.