Aircraft grade wood This would be the grade to use for jobs that need to have the best veneer, but have some budget constraints. Imported Finnish grade AB/B. The toughness-test method of selecting wood is discussed, and a Sep 29, 2015 · Aircraft grade plywood, on the other hand, must be free of all voids and the veneers used must be free of most wood defects. The few aircraft designs that did use wood after that time period were based on older designs. 5mm: Note: Some products may be special order. 5mm, 3mm, 4mm free shipping on orders over $350 (some exclusions apply) | 877-4-spruce Aircraft grade plywood is made to aircraft specification MIL-P-6070, NSN 5530. The quality requirements for plywood to be used in aircraft are much more exacting than for industrial plywood in general. Spars wider than 6 must be milled from 8 specially selected stock which requires a long and i. By the time World War II rolled around, metal was becoming the primary material for aircraft design. The mill specification requires that the plywood be tested for general condition of boards, deviations of thickness, moisture content, tensile strength of wood, gluing strength, bending test, torsion test, immersion test and boiling test. American-made structural aircraft-grade plywood is made of American Birch veneers laminated in a hot press to hardwood cores of Poplar or Bass wood with waterproof glue. Certainly, the type of glue used in wood construction is of the utmost importance. The Birch Plywood we offer is imported from Finland, there fore the thickness of the sheets in metric measurements, which we have converted to American equivalents for your convenience. “AAAAA” grade – This is the best of the aircraft grade of veneer. Glue is the material used almost exclusively as a means of joining wood in aircraft construction. Aircraft Grade: This indicates that the plywood is manufactured to meet the stringent requirements for use in aircraft construction. 5mm) Thickness: 0. Finnish birch plywood is furnished in 48” x 48” Jet-Ply Aircraft Interior Wood Veneer Jet-Ply I, II, & III JSO Wood Products has served the aircraft interior cabinet industry since 1995. MIL-P-6070: This is the military specification that Feb 5, 1999 · The wood should have no knots, grain imperfections, or discoloration that indicates any kind of fungal activity. This grade is as close to perfect as wood veneer can possibly be. Plywood for aircraft is produced by using glues of the thermosetting, synthetic resin type. Aircraft plywood meets MIL-P-6070B. 8mm, 1. Because finding aircraft-grade wood in the necessary size is difficult, you?ll see splices on many spars at some point along their length. Aircraft Plywood Uses. Aircraft Spruce & Specialty Co. Will meet all requirements of specification MIL-P-6070, which calls for shear testing after immersion in boiling water for 3 hours. Aircraft wood needed to Sep 6, 2013 · Aircraft woods: their properties, selection, and characteristics Strength values of various woods for aircraft design for a 15 per cent moisture condition of material and a 3-second duration of stress are presented, and also a discussion of the various factors affecting the values. Back All Categories; Wood Products Shop Now. The glue used must also meet certain specifications. Today, there are still plenty of different aircraft which use solid wood and plywood to construct the many different components inside and out. MIL-P-6070: This military specification outlines the requirements for plywood used in aircraft construction. As finding and felling these trees becomes more difficult, the price of aircraft-grade Sitka spruce increases (it’s doubled in the past five years). A component part is considered joined satisfactorily if the strength of the glue joint is approximately equal to the strength of the wood itself. Corporate, private and government orders are all on our resume. Aircraft spruce, specifically Sitka spruce (Picea sitchensis), became the gold standard for wooden aircraft construction. Dec 3, 2015 · WOOD GLUE. Prices fluctuate with changes in sheet sizes. Once they have accumulated enough wood they will kiln dry the wood and then cut it into the desired thickness and width. The blank piece of spruce for a spar such as this will cost well over $5 a foot. 5mm thickness up to and including 6. Feb 1, 1994 · The Wood In Wood Wings Two commonly used woods used in aircraft structures are Sitka Spruce and Douglas Fir. Shopping The Wright brothers' pioneering aircraft, the Wright Flyer, took to the skies in 1903 with a frame of spruce and ash, setting a precedent for wooden aircraft construction. The widest flitches are used here. Other carefully selected limited wood species are also used, but be guided by the recommendations the designer specifies in his plans and instructions. Wishlists; 877-477-7823; Contact Us; Sign In; Cart 0 . 0mm, 1. The in-house wood testing laboratory. Specifications may change, please check with your local Windsor Plywood location to verify availability. This can often take several months. Finding top quality Sitka spruce suitable for use in aircraft and meeting the MIL-S-6073 (US), BL6 (UK) and NFL-17-966 (France) is becoming increasingly difficult. Our aviation veneer is called Jet-Ply and comes in several backings, sizes, and grades. Finnish birch plywood is furnished in 48" x 48" sheets, depending on current availability. 8mm, 2. The boards of aircraft-grade plywood are available in various sizes and thicknesses, such as 1. Wood Basics. But what makes aircraft grade plywood different from standard grade? Aircraft Grade Birch Plywood. Aircraft-grade plywood must meet strict criteria for strength, durability, weight, and other properties to ensure the safety and performance of aircraft. 5mm, 1. Balsa Wood Inc is proud to offer you premium quality Birch Plywood also known as Aircraft Grade plywood. Shop All Categories. A special manufactured wood product is most essential to the construction of wood wings. These mills will try to find aircraft grade wood and accumulate enough over time to fill the orders of the aircraft suppliers. Feb 1, 1994 · In this and subsequent articles, I will discuss the types of wood that can be used in aircraft construction, how to inspect the wood properly to ensure it is safe to use, tools needed for woodworking, plywood and glues, basics of aircraft woodworking, and how to inspect wood in a completed aircraft. 0mm, 2. 2mm, 1. No new designs based on wood structures were being generated and consequently, no new progress with wood was made. 0mm - 4-ply, 2. The chain of custody linked to our testing lab is vital to identify the best regions to source aircraft grade Sitka spruce. Dimensions: 4' x 4' (122cm x 122cm) sheets in 3/32" (2. 0mm at least 5-ply. Learn about grain slope, Common uses include aircraft components, musical instrument soundboards, boat building (mast and spars), wind turbine blades and virtually any application where a wood material with a good strength to weight ratio is needed. Wood was the material of choice for many early aviators due to its favorable strength-to-weight ratio, ease of shaping, and widespread availability. Sheets here would be in sequence. Sitka spruce is the most common wood used in aircraft, and contrary to popular belief, Howard Hughes’ Spruce Goose was made of birch-not spruce. No project is too small or too large. Under 2. American-made structural aircraft-grade plywood is made of imported African Mahogony veneers laminated in a hot press to hardwood cores of Poplar or Bass wood with waterproof glue. Jun 2, 2021 · The earliest airplanes used wooden parts as it was more accessible than current materials like aircraft-grade aluminum or steel. Its straight grain, uniform texture, and excellent strength-to-weight ratio made it the ideal choice for structural components such as spars, ribs, and longerons. 5mm, 2. Jan 19, 2017 · Here we show you the three basic parameters when choosing wood for aircraft construction when building a light plane or ultralight. Most manufacturers use phenol-phenolic glue applied in a hot press. Spruce Capstrip [TABLE] [BUYMETAL 13] Orders for spars, Spruce kits and capstrip can usually be shipped within three weeks after receipt of order. Quality Birch Aircraft grade plywood produced to AB/B grade on all thicknesses. Aircraft-grade plywood must meet high standards for strength, durability, weight, and other properties to ensure the safety and performance of the aircraft. The plywood veneer face plies and inner plies are free from open defects and bonded with heat set phenolic water and fire proof adhesive. free shipping on orders over $350 (some exclusions apply) | 877-4-spruce AIRCRAFT PLYWOOD (METRIC) Note:Fullsheetsare4’x4’andhalfsheetsare2’x4’, with the exception of 02-00236 which are furnished in 61” x 61” full sheets. 0mm thickness - 3-ply, 2. Aircraft plywood meets MIL-P-6070B. nxumrtvbavrgwvwjmrvilgjtylprhofqatidiyaubl