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Deems Davis
Joined: 09 Jan 2006
Posts: 925
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 Posted: Thu May 21, 2009 1:49 pm Post subject: Performance data for N519PJ |
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With the wheel pants & leg fairings installed, I set out this am to
record some speed/performance data. Here's the results. I haven't
validated the IAS so I don't know if there's an error in the static
ports. After paint they are essentially flush with the skins, and I
understand that can be a problem.
I'm not sure how this is going to format so I'm also attaching a
spreadsheet version of the data.
Deems Davis
N519PJ
| Quote: |
Set 1
Set 2
Heading GPS TAS IAS
Heading GPS TAS IAS
360 178.0 172.0 153.0
360 166.0 164.0 145.0
270 182.0 174.0 154.0
270 161.0 162.0 145.0
180 181.0 174.0 155.0
180 166.0 164.0 144.0
90 185.0 175.0 155.0
90 175.0 164.0 145.0
Average (Knots) 181.5 173.8 154.3
Average (Knots) 167.0 163.5 144.8
Average (MPH) 208.9 200.0 177.5
Average (MPH) 192.2 188.2 166.6
Flight Conditions
Flight Conditions
RPM 2450
RPM 2350
MP 24.5
MP 23.5
Fuel Flow 16.5
Fuel Flow 15.4
OAT 18C
OAT 18C
Baro Presure 29.88
Baro Presure 29.88
Pressure Altitude 6500
Pressure Altitude 6500
Set 3
Set 4
Heading GPS TAS IAS
Heading GPS TAS IAS
360 171.0 168.0 149.0
360 164.0 159.0 141.0
270 165.0 164.0 148.0
270 158.0 162.0 144.0
180 166.0 166.0 143.0
180 166.0 162.0 144.0
90 172.0 167.0 145.0
90 166.0 162.0 144.0
Average (Knots) 168.5 166.3 146.3
Average (Knots) 163.5 161.3 143.3
Average (MPH) 193.9 191.3 168.3
Average (MPH) 188.2 185.6 164.9
Flight Conditions
Flight Conditions
RPM 2350
RPM 2350
MP 22.5
MP 21.5
Fuel Flow 13.9
Fuel Flow 13.1
OAT 18C
OAT 18C
Baro Presure 29.88
Baro Presure 29.88
Pressure Altitude 6500
Pressure Altitude 6500
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| Description: |
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Download |
| Filename: |
Speed_Performance_Runs_21_May_2009_N519PJ.xls |
| Filesize: |
17.5 KB |
| Downloaded: |
185 Time(s) |
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robin1(at)mrmoisture.com
Guest
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| Posted: Thu May 21, 2009 2:54 pm Post subject: Performance data for N519PJ |
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Thanks Deems!
Good stuff. Now I don't have enough time on my -10 to make an
informed statement (that never stops me) but I know my little 6A loved
higher. I flew to Cottonwood the other day at 11,500 GPS = 197.00 Kts.
Now we all find a tail wind once in a while so I don't put ANY weight
into that number but I believe that 6,500 is still less than ideal for
optimizing speed in our similarly configured planes (BPE, SJ, Portly).
Regardless solid numbers for a wonderful design & your beautiful build.
Robin
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