Van’s founder Dick VanGrunsven has long been active in the development of consensus standards for Light Sport Aircraft. Until recently, however, no one knew he was developing an LSA of his own. Enter the proof-of-concept RV-12. If testing bears out the viability of the concept, it may become available as an amateur-built kit.
In his continuing series, author Bob Fritz discusses the ins and outs of threads including how to avoid seizing, types of threads, sizing, drilling holes, using a tap-drill chart, and matching fastener dimensions.