Aerospace Engines A to Z
Aerospace Engines A to Z

Updated: 05-Feb-2018

Californian company that made an engine with a new concept.

-They were double-action pistons, with combustion on both sides.

Deeble Duplex”
"Deeble Duplex”

-This arrangement of "double acting" is called Duplex.

-Below we show a cutaway of this engine.

Deeble Duplex cutaway
"Deeble Duplex cutaway"

From Appendix A7/6: Bizarre engine built by Deeble Motors Ltd. of Long Beach, California.

-It is an engine with double-action pistons, as in steam locomotives.

Practical installation of a Deeble
"Practical installation of a Deeble"

Engines of DEEBLE

Model: Duplex, 300 HP

Arquitecture: 6-cylinder In line inverted
Cooling: Air
Total Displacement:
Bore / Stroke:
Power: 300 HP @ 2000 rpm
Weight: 417 Kg

Other details:

It has double-action pistons, with combustion on both sides.

The stroke was 5 inches and the actual diameter of the top 4.5 inches and 4.3 inches in the bottom.

Deeble Duplex engine

"Deeble Duplex engine"