![]() No unusual resonant frequencies were noticed. In the test for resonant frequencies, the engine was run from 1800 RPM to 2500 RPM in 100 RPM increments under a load. Dyno testing shows that the method works. The method is able to minimize vibration and resonant frequencies. The methodology places strict boundary parameters around the design. The unit contains the complete rotating assembly which is thought of as a single functional unit. These engines are special because they use a more modern design method with very light components. You can hold your shifts longer up or down. Because of the even firing order, flat planes have long and very flat horsepower and torque curve. SCG believes with lighter rods, these engines can hit 9,000 RPM or more. The prototype engine hit 8400 RPM with all steel components. This allows the engine to spin higher and faster. Flat plane V8s because of the rod journal layout fire evenly bank to bank (very efficient). Cross planes with aluminum or titanium rods can hit 8500 RPM. The crankshafts have an odd firing order (less efficient) and are heavier. Traditional V8 cross planes can build large torque quickly due to the load distribution in two planes at the rod journals. ![]() ![]() A V8 flat plane crankshaft is special and the concept changes the way one must think about engine performance.
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