Hydroplane tech: Thunderboats get a makeover for the 21st century
The roar of this weekend’s Seafair hydroplane races on Lake Washington reawakens a six-decade-old Seattle tradition – but it also heralds changes for a sport that’s been compared to NASCAR on water. Seattle has been a hot spot for hydros since 1950, when a made-in-Seattle thunderboat called Slo-Mo-Shun IV set a world speed record on Lake Washington and brought the nation’s premier unlimited hydroplane race to Seattle the next year. Today, the restored wood-and-metal boat rests in Seattle’s Museum of History and Industry. Its builder, Stan Sayres, would probably still recognize the streamlined, souped-up vessels that venture forth from Stan Sayres… Read More