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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>It is interesting to look back at the history of weight and displacement limits. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> Up until 1966 there were no engine displacement limits and allowable weight was 15 pounds. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1966 a .61 cubic inch displacement limit was imposed with an allowable weight of 15 pounds. Of course nobody could weigh that much and have any performance given the displacement limit. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1980 a weight limit of 5 kg was implemented but again nobody wanted to be that heavy because of power limitation. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1984 the limit for 4 strokes was raised to 1.20 cu inches and airplanes started to change. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1992 a noise limit was imposed.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1994 engine displacement limits were eliminated and 4 strokes ruled until the electric era.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In 1996 the 2 meter rule was introduced.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Each change brought about airplane changes. Bigger, more power but still at 5 kg.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So for 37 years (1980 until now) the weight limit has been the same. Seems to me like we adapted pretty well over the years.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John Fuqua<o:p></o:p></p><p class=MsoNormal>cell 850-974-6655<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>