A parametric study was performed to determine the performance limits of a rotary combustion engine. This study shows how well increasing the combustion rate, insulating and turbocharging increase brake power and decrease fuel consumption.Several generalizations can be made from the findings. First, it was shown that the fastest combustion rate is not necessarily the best combustion rate.
Thi s p ape r describes a n ex perim ental " dual centrifuge" in \\'hich an accelerometer being cril ib nLtcd is carried aro und a circula r path in a horizontal p lane. If the instrumen t is constrain ed to h ave nonrotaLional motion, such as is provided by a parallel li nk device, sinusoidal excitatio n alo ng its se nsitive (horizontal) axis is obtained. The excitation obtainable is eq ui valent to linear exc itation but at unusually low fr equency and large displ acement. For example, a machine has been built \I"h ich has a frequency range from 0.5 to 30 cycles per seco nd , [1 displaceme nt (zero to peak) up to 12 inch es, and devel ops an accelerat ion ampli t ud e, usefu l for cali brati on, lip 10 ] 00 grav it.v at 10 cycles per second and above.
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