From the pages of   jetZILLA TM - April/May 2003 -

Original concept drawing of reciprocating valveless engine (c) 2002 Larry Cottrill
The original concept drawing, as disclosed on 07 August 2002. The engine is designed 
to be fabricated entirely from flat and bent sheet metal, without rolling.
Drawing Copyright 2002 Cottrill Cyclodyne Corporation

Page updated: 07 May 2003

Copyright 2003 Cottrill Cyclodyne Corporation
- All rights reserved -