Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design in 1925. Believing this technology might replace poppet valves ...

In the early 1900s, the sliding sleeve valve engine had some advantages over tappet valve engines of the time. For example, sliding sleeve valve designs allowed larger intake and exhaust ports, a ...

The Navy later sponsored a number of unconventional engine designs; however, few entered production. In the case of the 1939 XR-1740-2 development, the outcome was apparently typical of single-sleeve ...

I picked up some surplus WWII radial engine poppet valves (think late WWII bomber engines... the valves are HUGE). They were in the original packaging, and coated with protective goo.

SIMPLICITY is the keynote of the only two types of sleeve-valve engines that have stood the test of time, namely, the double-sleeve, or Knight, engine and the single-sleeve, or Burt-McCollum, engine, ...

Getting This Ancient Sleeve-Valve Engine to Run After 60 Years Was a Labor of Love This "valveless" four-stroke sat unused for more than six decades, and it's a joy to watch someone get it back ...

The Bristol Hercules was a sleeve-valve radial aircraft engine designed by Sir Roy Fedden. ️ It was used on the Handley Page Halifax Mk III bomber and the Bristol Beaufighter fighter bomber ...

Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design in 1925. Believing this technology might replace poppet valves ...

The Navy later sponsored a number of unconventional engine designs; however, few entered production. In the case of the 1939 XR-1740-2 development, the outcome was apparently typical of single-sleeve ...