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- PROP SAMPLE RUN: GREAT AMERICA PROP, CONTINENTAL O200, VARIEZE DRAG DATA
- @
- @ NOTE- The "@" sign allows comments to be inserted on the remainder of a line.
- @ The file, INPUT, is always required to run PROP and must begin with a
- @ single title line. All input is echoed to the OUTPUT file which
- @ subsequently may be used as an input file by renaming it to INPUT.
- @
- CONTROL @ Input group name for control group type data
- @
- @ Optimize for maximum velocity at a fixed RPM:
- NPAYOFF=2 @ 1=CAFE SCORE, 2=VELOCITY, 3=MPG
- IOPT=1,2,3 @ 1=AF, 2=DIAM, 3=PITCH, 4=RPM - Enter one to four values
- @ to select which design variable(s) you want optimized
- END @ Terminates the above input group so another can be selected
- @
- DESVAR @ Input group name for design group type data
- @
- DIAM=56 PITCH=68 NB=2 @ initial propeller size
- RPMREF=2400 @ initial or reference rpm
- END @ Terminates the DESVAR input group
- @-------------------------------------------------------------------
- @
- @ This file can serve as a template and any DOS text editor may be
- @ used to modify it. The "@" command makes extensive input file
- @ documentation possible.
- @
- RUN @ RUN - Runs this file directly.
-
- COMPUTED AF= 98.57
- EQUIVALENT CONSTANT CHORD .2R TO TIP= 3.538
-
- THICKNESS RATIO AT 75% STATION = 0.1668
-
-
- PROP OPTIMIZER PROGRAM - DEMO
- Copyright 1992 Donald R Bates/BATES ENGINEERING
- 2742 Swansboro Road, Placerville, CA 95667
- Phone/FAX 916-622-1886
-
-
- PROP SAMPLE RUN: GREAT AMERICA PROP, CONTINENTAL O200, VARIEZE DRAG DATA
-
- >>>> INITIAL DESIGN:
-
- PROPELLER DESIGN PERFORMANCE
-
- NUMBER OF BLADES = 2 VELOCITY, MPH = 140.988
- DIAMETER, INCHES = 56.0000 ALTITUDE, FEET = 8500.00
- PITCH, INCHES = 68.0000 DENSITY, SLUGS = 0.183979E-02
- BLADE ACTIVITY FACTOR= 98.5670 THRUST, POUNDS = 68.8342
- TOTAL ACTIVITY FACTOR= 197.134 DRAG, POUNDS = 68.8341
- ADVANCE RATIO, J = 1.10776 THRUST HP = 29.7793
- PITCH ANGLE DEG @75%R= 27.2647 HP REQUIRED = 34.2669
- BLADE ALPHA DEG @75%R= 2.08418 HP AVAILABLE = 63.9673
- THRUST COEF, CT = 0.493047E-01 PROPELLER RPM = 2400.00
- POWER COEF, CP = 0.628486E-01 ENGINE RPM = 2400.00
- EFFICIENCY, ETA = 0.869041 REDUCT FACTOR = 1.00000
- COMPRESS LOSS FACTOR = 1.00000 SFC, LB/HP/HR = 0.603000
- EQUIVALENT CNST CHORD= 3.53830 MILES/GALLON = 40.9394
- SPEED OF SOUND, FPS = 1083.31 FUEL FLOW, PPH = 20.6630
- TIP SPEED, FPS = 621.820 FUEL FLOW, GPH = 3.44383
- TIP MACH NUMBER = 0.573998 CAFE SCORE = 3108.48
-
-
-
-
- STA FRACTION SHAPE FACTOR BLADE STATION BLADE CHORD CHORD ANGLE
- OF RADIUS ON ECC INCHES INCHES DEGREES
-
- 0.2000 1.272 5.600 4.500 62.64
- 0.3000 1.272 8.400 4.500 52.18
- 0.4000 1.413 11.20 5.000 44.02
- 0.5000 1.464 14.00 5.180 37.71
- 0.6000 1.422 16.80 5.030 32.79
- 0.7000 1.309 19.60 4.630 28.91
- 0.8000 1.114 22.40 3.940 25.79
- 0.9000 0.8394 25.20 2.970 23.24
- 1.000 0.5087 28.00 1.800 21.13
- PROP SAMPLE RUN: GREAT AMERICA PROP, CONTINENTAL O200, VARIEZE DRAG DATA
- @ 05/21/92 15:49:40.91
-
- >>>> OPTIMIZED DESIGN:
-
- VARIABLE INITIALLY OPTIMIZED LOWER LIMIT UPPER LIMIT OPTION FLAG
-
- AFTOT 197.134 300.000 140.000 1100.00 IOPT( 1)= 1
- DIAM 56.0000 60.4235 40.0000 80.0000 IOPT( 2)= 2
- PITCH 68.0000 79.6438 30.0000 120.000 IOPT( 3)= 3
-
- PROPELLER DESIGN PERFORMANCE
-
- NUMBER OF BLADES = 2 VELOCITY, MPH = 175.810
- DIAMETER, INCHES = 60.4235 ALTITUDE, FEET = 8500.00
- PITCH, INCHES = 79.6438 DENSITY, SLUGS = 0.183979E-02
- BLADE ACTIVITY FACTOR= 150.000 THRUST, POUNDS = 107.035
- TOTAL ACTIVITY FACTOR= 300.000 DRAG, POUNDS = 107.035
- ADVANCE RATIO, J = 1.28024 THRUST HP = 56.6563
- PITCH ANGLE DEG @75%R= 29.2234 HP REQUIRED = 63.9673
- BLADE ALPHA DEG @75%R= 0.705957 HP AVAILABLE = 63.9673
- THRUST COEF, CT = 0.565639E-01 PROPELLER RPM = 2400.00
- POWER COEF, CP = 0.817598E-01 ENGINE RPM = 2400.00
- EFFICIENCY, ETA = 0.885707 REDUCT FACTOR = 1.00000
- COMPRESS LOSS FACTOR = 1.00000 SFC, LB/HP/HR = 0.603000
- EQUIVALENT CNST CHORD= 5.80995 MILES/GALLON = 27.3476
- SPEED OF SOUND, FPS = 1083.31 FUEL FLOW, PPH = 38.5723
- TIP SPEED, FPS = 683.276 FUEL FLOW, GPH = 6.42872
- TIP MACH NUMBER = 0.630728 CAFE SCORE = 3347.83
-
-
-
-
- STA FRACTION SHAPE FACTOR BLADE STATION BLADE CHORD CHORD ANGLE
- OF RADIUS ON ECC INCHES INCHES DEGREES
-
- 0.2000 1.272 6.042 7.389 64.51
- 0.3000 1.272 9.064 7.389 54.43
- 0.4000 1.413 12.08 8.210 46.37
- 0.5000 1.464 15.11 8.506 40.00
- 0.6000 1.422 18.13 8.259 34.96
- 0.7000 1.309 21.15 7.603 30.94
- 0.8000 1.114 24.17 6.470 27.67
- 0.9000 0.8394 27.19 4.877 24.99
- 1.000 0.5087 30.21 2.956 22.76
-
-
- CONSTRAINT VALUES ARE A MEASURE OF THE DEGREE OF OPTIMIZATION.
- EQUALITY CONSTRAINTS ARE SATISFIED WHEN = 0
- INEQUALITY CONSTRAINTS ARE SATISFIED WHEN => 0
- TYPE: EQUALITY = 0, UPPER BOUND = 1, LOWER BOUND = -1
-
-
- SYSTEM CONSTRAINT VALUES:
-
- NAME TYPE ACTIVE INACTIVE
-
- HPREQ 0 0.4380E-03
- AFBMAX 1 0.0000
-
- PAYOFF=-1.760 (-VEL) NRUN= 32 NC= 2 NEC= 1
-
- ELAPSED TIME= 19.610 SEC
-