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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. Chart ignitionThe dyno room is equipped with a weather station that samples the air and records this information to calculate correction factors.Any column values that have been corrected will have (Corr.) example (Corr. HP) factored in. Current weather and correction factors are listed at the top of each dyno run. The test header is equipped with left and right wide band sensors (WBS) for monitoring the Air/Fuel ratios. (Inlet temp.) is the temperature measured before the carburetor inlet. (Intake Run Temp.) is the temperature in the intake runner induction tube before it enters the intake port at the cylinder head. Dyno pull 02282012a_b is a comparison with the G3i Series –2 ignition module (ON) and (OFF), running on magnetos only. Click over chart to enlarge:

 

 

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.

360 super hp chart 360 super torq chart

 

 

 

 

 

 

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.Vetterman Exhaust Dyno Chart

 

 

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:lycoming super 540 hpsuper 540 lycoming torq

 

 

 

 

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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