manolis
Aluminum
- Joined
- Nov 25, 2006
- Location
- Athens Greece
Hello all.
Here is a 2-stroke opposed-piston pulling-rod engine:
333 cc,
bore 84mm,
stroke 30+30=60mm
(same bore to stroke ratio with BMW's boxer R1200GS of 2013)
weight: 8.5Kp (19lb) without the exhaust pipe and the carburetor
height: 250mm
Here are two animations showing its moving parts:
The Pulling Connecting Rods substantially increase the "constant volume portion" of the combustion (efficiency).
The tilting valves at the smal ends of the connecting rods control (in a highly unconventional way) the gas flow.
For more details: http://www.pattakon.com/pattakonTilting.htm
The moving parts:
The above tilting valves have "rectangle" shape for the shake of the easy / accurate manufacturing with a lathe.
And here are two youtube videos of the engine (manual cranking).
Thanks
Manolis Pattakos
Here is a 2-stroke opposed-piston pulling-rod engine:
333 cc,
bore 84mm,
stroke 30+30=60mm
(same bore to stroke ratio with BMW's boxer R1200GS of 2013)
weight: 8.5Kp (19lb) without the exhaust pipe and the carburetor
height: 250mm
Here are two animations showing its moving parts:
The Pulling Connecting Rods substantially increase the "constant volume portion" of the combustion (efficiency).
The tilting valves at the smal ends of the connecting rods control (in a highly unconventional way) the gas flow.
For more details: http://www.pattakon.com/pattakonTilting.htm
The moving parts:
The above tilting valves have "rectangle" shape for the shake of the easy / accurate manufacturing with a lathe.
And here are two youtube videos of the engine (manual cranking).
Thanks
Manolis Pattakos