Flight #18 & 19 - Filled up another 15 gallons. Took off 16 right and up to 3,500 ft. I headed north for some maneuvering and testing. I climbed and gathered some data:
360 90 180 270 degrees
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6640 7000 7070 7200 altitude (ft)
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2600 2590 2670 2620 rpm
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23.4 22.9 23.1 23 manifold pressure
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152 156 156 152 indicated a/s (mph)
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171 189 189 176 GPS(mph)
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175 168 177 173 adjusted speed via altitude & outside air temp (OAT)
Thinking that I'm not flying perfect and not sure the calculation can be like this, the average is in one direction@7000ft@2620rpm@23.1inches manifold pressure is 154mph indicated = 181 mph GPS groundspeed = 173 mph adjusted for OAT & altitude by Dynon.
What does this mean? Instruments are close to correct. Good enough for me. I did a landing at Arlington, flew around more, then went home for another 1.5 hrs total.
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I welcome your constructive idea's and comments, thanks.