Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83 based; site hou2h.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!houxm!hou2h!an From: an@hou2h.UUCP (A.NGUYEN) Newsgroups: net.auto Subject: Drag_coefficient and Size_Coefficient Message-ID: <333@hou2h.UUCP> Date: Wed, 7-Mar-84 09:02:09 EST Article-I.D.: hou2h.333 Posted: Wed Mar 7 09:02:09 1984 Date-Received: Thu, 8-Mar-84 07:37:31 EST Organization: AT&T Bell Labs, Holmdel NJ Lines: 18 . Air_resistance = Frontal_area * Drag_coefficient Another fav equation of mine, tho not recognized by the SAE, is: Estimated_speed = Actual_speed * Size_coefficient Where Size_coefficient for various vehicles is as follows: 18-wheeler 5.54 Cadillac 2.32 Volkswagen 0.64 motorcycle 0.23 ---- Au Nguyen