www.pattakon.com the moving parts of the OPRE II prototype
Saw this at the Mount Gambier show and had to share. Some good views of rockers and scavenge blower and a sticky in the inlet showing the piston ...
Porsche should of developed the opposed piston engine.Basically an inverted boxer motor.they too busy designing hideous suv's these days.
The ic engine may yet stave of the ev. Our savior -Opposed piston engines. Surprised that this technology is emerging from small developers
Week two of 38D and 38TD 8-1/8 Opposed Piston Engine Overhaul training: 
@ I'm on ABT-18 aircraft...piston engine, textron lyncoming..four cylinder horizontally opposed..
1904 Autocar Type X
In my humble opinion, one of the greatest sounds known to mankind is that of a Class 55 Deltic pulling away at full bore!
It's 2 of these engines which are responsible for that sound.
With 36 cylinders and 72 pistons, no wonder it sounds amazing.
Supposedly quite...
