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Neebert commented on April 24, 2014
It's a great idea, I invented the same thing a few years ago - I have additional things to aid this type of engine, hope they contact me. engineer@neeber­
Philleep commented on December 16, 2013
I am not an engineer, I do concept designs. One concept I have is for a small three wheel truck, simular to some they use to have in Germany. The truck is 55 inches high, and 11 feet long, it has a short bed and carries two people, and there is not room enough for an engine in front, but would have to go just behind the seat. The vehicle needs an engine that is quite flat, so that it would not protude to far into the bed area. An engine of about 10 to 20 horsepower would be sufficent for this type of truck. A small OPOC type engine might be ideal for such a vehicle. I have a question, however, will this engine smoke badly? Remember those DKW's how badly they smoked, they where two-stroke.
Nprimelimited commented on October 17, 2013
Seems like the modern day Doxford Engine. Percy Jackson would have been proud. I sailed on one in the 80's but the ship was 30 years old then,
jrtcomp commented on September 11, 2013
Same old, same old - Dr. Marius Paul the 1990's - early 2000's - the cylinder pressures were astronomical!
DC1 commented on November 15, 2011
This seems like a very complex way to add controlled exhaust valving to a two stroke engine. Wouldn't conventional poppet exhaust valves be much lighter, more compact,less expensive and a proven technology? An opposed two stroke with poppets would be as well balanced and works fine with crankcase pressurizing or turbocharging. Also, why does this need to be a boxer motor if each side is inherently balanced by its two piston configuration? A single cylinder would work fine, and adding cylinders in an in-line fashion would be more compact, make intake, exhaust and fuel delivery routing simpler, and allow much more latitude in installation configurations. The TS3, while remarkable, paid a huge weight and size penalty in drive train configuration. Does sound good though.
voyager commented on November 07, 2011
Love the principle and its basic simplicity. But why is there still no viable production engine after all those years of developing? Napier already had a triangle OPOC engine some 60 years ago. I am looking for a new type of ICE that will turn heads the same way my vehicle concept (check out already does!
todd sculley commented on August 30, 2011
my name todd sculley . i have the test engine for the deltic p1500 engine and blue prints for sale contact me at dadsculley@yaho­ for any questions
darrenpowell commented on August 15, 2011
Search for the Gobron Brillie Engine from the first decade of the 20th Century and check out Hugo Junkers Engine of the same design (scroll down and have a look) - http://forums.t­­.php?topic=142.1­5 ... these things have been powering cars and aircraft almost a century ago so why does OPOC still have to go 'a long way to make it perfect'? How did OPOC get a patent on this?
Karlo commented on July 28, 2011
Es tut einfach weh zu sehen, wie Ingenieure gute, alte Grundgedanken, wie 2-Takt-Gegenkolben, in ein schlechtes Kleid (Steuerung, zu viele Einzelteile, schlechtes Design) stecken und außerdem dafür belohnt werden. Da habe ich selbst eine viel bessere Lösung.
ronson569 commented on July 15, 2011
How long before it is bought up by the oil industry or the government like all the other inventions that get great mileage. then will disappear.
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