9914 the Manufacturability of the Rotapower® Engine
9914 The Manufacturability of the Rotapower® Engine Paul S. Moller, Ph.D. Freedom Motors Freedom Motors 1855 N 1st St., Suite B Dixon, CA 95620 www.freedom-motors.com All rights reserved. © 2018. No part of this publication may be reproduc ed, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, and recording or otherwise without the prior written permission of the authors. 9914 The Manufacturability of the Rotapower® Engine Paul S. Moller, Ph.D. Freedom Motors ABSTRACT introduced their rotary powered Evinrude RC-35-Q and Johnson Phantom snowmobiles. There are many elements of the charge cooled Wankel type rotary engine that make it inexpensive OMC also investigated liquid cooled housing marine to produce. OMC was able to show that they could models. OMC’s four rotor outboards raced six produce this type of engine at a cost competitive times in the summer and fall of 1973, winning every with their carbureted two-stroke engines. race in U class (unlimited). At the Galveston Speed Classic, they placed 1 st, 2nd and 3rd, lapping the THE PRODUCTION CHARGE COOLED WANKEL entire field three times (a fourth OMC boat rolled). WAS FIRST INTRODUCED AS A POTENTIALLY It was rumored that they once made a straightaway CLEAN, LOW COST, POWERFUL REPLACEMENT pass at 165 mph. FOR TW O-STROKES. THE CHARGE-COOLED ROTOR WANKEL TYPE In the late 60’s Outboard Marine Corporation ENGINE HAS A LOW PART COUNT (OMC) recognized the market value of an advanced, more powerful engine. This interest was When choosing an engine for a particular intensified by a growing concern that emission application or comparing the part count between issues would necessitate a clean burning, engines, the required power and torque environmentally friendly powerplant.
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