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, ...

However, the sleeve-valve engine was not without its drawbacks. Primarily, although it required little maintenance or adjustment - due to its fewer moving parts and drive mechanism - producing the ...

Love classic cars and vintage engines? 🚗🔧 Join us as we explore the history, mechanics, and untold stories behind legendary vehicles! Subscribe now and never miss an episode! #ClassicCars # ...

Its engine consists of a single sleeve-valve of cylindrical form, having ports at the top and a single universal driving connection at the bottom.

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 ...

The follow-on 350 horsepower 7-cylinder R-794 was a dedicated sleeve-valve design and incorporated a supercharger. The U.S. Navy ordered five R-794s in August 1934 and tested them, but the type never ...

Sleeve-valve specialist Art Aseltine in California rebuilt the powertrain and engine. The interior needed redoing, too, but the headliner, a muted gray wool cord, was saved and it looks like new.