The Corvair is a horizontally opposed, direct drive, air cooled engine originally made by Chevrolet. Over 1.7 million engines were delivered. Aircraft conversions produce 100-120HP. The engine has been flying since 1960 and has evolved to a very smooth, reliable and robust power plant.
Platteville is the largest city in Grant County in southwestern Wisconsin. The population was 11,224 at the 2010 census, growing 12% since the 2000 Census. Much of this growth is likely due to the enrollment increase of the University of WisconsinâPlatteville.
City of Platteville, WI Zip Codes. 1  City of Platteville, WI Demographic Information. 2  City of Platteville, WI covers 1 Area Code. 3  City of Platteville, WI covers 1 Zip Code.  12 Cities within 15 Miles of the City of Platteville, WI.