Engine Testing
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Engine Testing
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Date
Jet Needle
Clip Position
Needle Jet
Main Jet
Air Screw
(Idler Jet)
Prop Spacers
CHTEGTMAX RPMComments
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15K222.70165.5 turn12----Standard settings as delivered.
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8/25/201715K232.70165.5 turn10400+< 12006450Needed almost 6000 RPM to sustain level flight. Good EGT, high CHT. Good throttle response.
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8/26/201715K232.70165.5 turn11395< 12006200Needed 5700 RPM to sustain level flight. Good EGT, marginal CHT. Acceptable throttle response
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9/2/201715K222.701650 turn11350< 12006150Throttle sumble at 5400 RPM. Engine died during cool down. Couldn't restart due to damaged piston.
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Note: Tested fuel level in float bowl. Fuel measured 0.6 below the rim of the bowl vs recommended 0.5 inch. This test seems to indicate the carb is running lean.
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High JetFried pistons - Engine sent back for repair
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11/10/201713601139510506200Flight test went well. CHT still reads high but decreased when throttle is retarded.
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11/10/2017136011----5900Ground run, checking static RPM
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11/11/201713601239510006100Test flight. Climbout CHT went to 406 degrees indicated, then dropped back to 395. Plugs are coffee brown.
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11/19/201713701039511506500Ground run
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11/19/201713601139510506200Ground run
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11/19/201713601140011006200Test flight. EGT stayed rock solid, CHT climbed to 400 degrees. OAT: 50 degrees
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