![]() ![]() ASPECT RATIO The relationship between the height of a sail and its breadth. The purpose is to prevent the hard chine of the boat catching a wake or small wave on a sharp turn. ANTI-TRIP CHINE A flared out aft section of the side/bottom of the boat. Amine blush can be sanded off, but will require a lot of sandpaper as the paper tends to clog quickly. Although a variety of solvents have been used to remove amine blush, in the shop we use denatured alcohol (shellac thinner), laquer thinner or acetone. The amine blush can affect the bond of subsequent coats of epoxy or paints and should be removed. ![]() This difference is the result of differences in temperature and humidity. The amount of amine blush can vary considerably, from almost unnoticeable to very oily. After the epoxy is cured there will usually be a noticeable oily residue on the surface called amine blush. AMINE BLUSH Most epoxies used in boatbuilding have "amine"-based hardeners. Also referred to as air seasoned and contrasts with kiln-dried (KD) lumber. Moisture content of air-dried wood fiber depends on relative humidity, temperature, and length of drying period. ![]() Wood that is dried to equilibrium with the surrounding atmosphere. AIR-DRIED LUMBER Lumber or other wood products that have been either dried by exposure to natural atmospheric conditions outdoors or in an unheated shed. If you have any suggestions for additions, or corrections, please email: B C D E F G H I J K L M N O P Q R S T U V W X Y ZĪ AFT Toward the stern. This glossary was originally published in our WebLetters. ![]()
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