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Latest episodes

• 5000-hp(?) Insane two-stroke V-12 aircraft engine: The Rolls-Royce Crecy

  October 7, 2026 · 1 hr 5 min

  Piston aircraft engine development during World War II was vigorous (and goverment funded!) and the supercharged V-12 Two-Stroke V-12 Rolls-Royce Crecy was the next step. Single-cylinder and Twin test engines suggested as much as 5000 hp…

• Why Electric Superchargers on Gas Engines? Why Now?

  September 30, 2026 · 1 hr 3 min

  Find Kevin and Mark on Patreon to support their work directly and get episodes commercial-free: https://patreon.com/TopDeadCenter_BottomDeadCenterTurbos and superchargers have a mixed history on motorcycles but Honda's new electric…

• Millions of Harley-Davidson Sportsters?! How Did H-D Sell So Many?

  September 23, 2026 · 1 hr 20 min

  Find Kevin and Mark on Patreon to support their work directly and get episodes commercial-free: https://patreon.com/TopDeadCenter_BottomDeadCenterFrom 2004 to 2022, Harley-Davidson sold more than 1 million air-cooled Sportsters. In its…

• Honda's Genius and Madness: Tech tricks that worked and ones that didn't!

  September 16, 2026 · 1 hr 11 min

  Find Kevin and Mark on Patreon to support their work directly and get video and audie episodes commercial-free, plus member-exclusive content: https://patreon.com/TopDeadCenter_BottomDeadCenterHonda's vigorous technical exploration has…

• Kevin Cameron and Mark Hoyer are Back with the TDC/BDC Podcast!

  September 9, 2026 · 1 hr 17 min

  Kevin Cameron and Mark Hoyer return with their motorcycle minded technically informed podcast. But it's not just motorcycles and it's not even just about transportation as they wander off into culture, cooking, metallurgy, and more! Join…

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