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DYNO - RUNS
G3i IGNITION SYSTEM Test engine, Lycoming 180hp, Carbureted, O-360-A4A,with Bendix 20 series magnetos. The engine is run at 100% power, the load target RPM range is between 2300 – 2800rpm. Focusing at 100 RPM intervals through this range, producing peak Torq. / HP.
SUPERCHARGED LYCOMING 360cu. Test engine, Stock / Lycoming 180hp, 360-A4A incorporating a belt driven G3i Supercharger. Fuel injected Pre-Supercharger, with Bendix 20 series magnetos modified with G3i Series –2 ignition system. The engine is run at 100% throttle opening with adjustable manifold pressure, the load target RPM range is between 2670 – 2690 rpm. Producing peak Torq. / HP @ the propeller flange.
The Supercharger graphs are actual samples and are NOT corrected for sea level performance. (Actual power @ elevation of 5400ft MSL). Weather station recorded density altitude of 7703 ft. Test file:02072013c The comparison run sample is naturally aspirated and is NOT corrected for sea level performance. (Actual power@ elevation of 5400ft MSL). Weather station recorded density altitude of 7616 ft. Test file:12012012d Click over chart to enlarge:
VETTERMAN EXHAUST SYSTEMS Test engine, Stock / Lycoming 180hp, Carbureted, O-360-A4A,with Bendix 20 series magnetos. The engine is run at 100% power, the load target RPM range is between 2400 – 2800rpm. Focusing at 100 RPM intervals through this range, producing peak Torq. / HP @ the propeller flange.
The exhaust systems tested: (2) 1). Vetterman, Standard 4 cylinder Crossover 1.75” primary with a 2.0” Secondary (tail pipe). Test file:10072011a 2). Vetterman, 4 cylinder Crossover 1.5” primary with a 1.75” Secondary (tail pipe). Test file:10282011c Click over chart to enlarge:
SUPERCHARGED LYCOMING 540cu. Lycoming IO-540-C4B5 Originally rated @ 260HP aspirated @ sea-level @ 2700 rpm. Custom belt drive system with a Lysholm 2300 Supercharger. Fuel injected Pre-Supercharger, with Slick 6300 series magnetos modified with G3i Series –2 ignition system. The engine is run at 100% throttle opening with adjustable manifold pressure, the load target RPM range is between 2660 – 2670 rpm. Producing peak Torq. / HP @ the propeller flange. Click over chart to enlarge:
The Supercharger graphs are actual samples, Blue represents un-corrected HP/TORQ. @ 5400ft above MSL and Red is corrected for sea level performance.
Weather station recorded density altitude of 7100 ft. with a correction factor of 1.2239 Test file:03012013c
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