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Dyna-Cam Engine Corp Dyna-Cam
Axial Vector Engine Corporation Corp Dyna-Cam
Herrmann Group Corp Dyna-Cam
 
 

Dyna-cam

 

 

The Dyna-Cam engine originally came from a design by the Blazer brothers, who worked for Studebaker in 1916. They sold the rights to Karl Herrmann, Studebaker's head of engineering, who developed the concept over many years, eventually taking out US patent 2237989 in 1941. It has 6 double-ended pistons working in 6 cylinders, and its 12 combustion chambers are fired every revolution of the drive shaft. The pistons drive a sine-shaped cam, as opposed to a swashplate or wobble-plate, hence its name.
In 1961, at the age of 80, Herrmann sold the rights to one of his employees, Edward Palmer, who set up the Dyna-Cam Engine Corp. along with son Dennis. Edward's son Dennis and daughter Pat then helped get the engine installed in a Piper Arrow. The engine was flown for about 700 hours in the Piper Arrow from 1987 through 1991. Their longest engine ran for nearly 4000 hours before overhaul. Dyna-Cam opened an R & D facility in around 1993 and won many various awards from NASA, US Navy, the US Marine Corps, California Energy Commission, Air Quality Management District, and Los Angeles Regional Technology Alliance for different variations of the same Dyna-Cam Engine. About 40 prototype engines were built by the Herrmann Group and another 25 built by the Dyna-Cam Group since they acquired the engine and opened their shop. A new patent was granted to Dennis Palmer and Edward Palmer first in 1985 and then several more around 2000 to Dennis Palmer. In 2003 the assets of the Dyna-Cam Engine Corp were acquired by first Aero-Marine Corp. who changed their name to Axial Vector Engine Corporation. Axial Vector then totally re-designed the cam engine. Axial Vector's new engine suffers from problems, including piezoelectric valves and ignition, ceramic cylinder liners with no piston rings, and a variety of other advanced features. It has almost no similarity to the original Herrmann and Dyna-Cam Engine since the Dyna-Cam Engine used conventional valves, piston rings, accessories, had no unproven ceramic materials and actually flew in a Piper Arrow and also powered a 20-foot (6.1 m) Eliminator Ski Boat for over four years.

 

Cycle: 4 stroke
No cylinders: 12 bore
Cooling: Liquid
Ignition: Electronic
Reduction: Direct
Weight: 150 kg
Max pwr: 220 hp at 1800 rpm
Max torque: 400 at 1200 rpm
Fuel consumption: 170 G/hp/hr
 
 
 

 

 

 


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