The Folkerts SK-1 Speed King One Mono Special Matilda Fordon-Neumann Special Hardwick-Whittenbeck Special was an racer built for the 1930 American Cirrus Aircraft Engine Company sponsored American Cirrus Derby.
Rebuilt Folkerts SK-1 as Davis Cup
racer (p: Clem Whittenbeck) .1
List of Different Types of Airplanes in the World makes use of Wikipedia data and texts. This page and all its data (except for the referenced facts, articles) has been licensed under the CC BY-SA 3.0 license
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