Sarap, the Société Alsacienne pour la Recherche et l'Application des Polyesters, was founded in Breitenbach in 1968 by André Koenig, who a year earlier had built a competition-inspired prototype drawing on the cars racing at the 24 Hours of Le Mans, intending to sell it as a kit. After a difficult commercial start, the resulting Sarap 671 was simplified into an easier-to-build model called the 691. Finding both too exclusive,…