AERO REPORT
Date: 2026-01-11 | Rider: C. Folsach (VON FOLSACH, Casper)
Description: Disc plate validation
Course
Distance between gates: 1051 m
Elevation difference (A to B): 5.4 m
Weather
Results
Three configurations were tested
Baseline Config
Config
Description
CdA (Normalised)
CdA Delta
Power in Watts at 45 kph
Power Delta
A
Baseline
0.215
-
291
-
Delta to Config A
Config
Description
CdA (Normalised)
CdA Delta
Power in Watts at 45 kph
Power Delta
B
60mm disc
0.222
0.007
300
9
C
100mm disc
0.239
0.024
320
29
Performance
Data Quality
CdA Standard Deviation of Laps (Traverse Pairs): 0.0006, CV: 0.28%
Show Confidence Interval:
Typical Error of Mean: 0.215 -
0.215 (±0.0003)
Dashed lines on plot show confidence. Further consistent repeats will narrow this interval
Detailed Run Data - CdA & Power
| Run Number | Start Time | Description | CdA 5°XW Normalised Full m² | CdA Raw m² | Alpha W | Aero W | Grav W | Kinetic W | Rolling W | Power W |
|---|---|---|---|---|---|---|---|---|---|---|
| A | - | Baseline | 0.215 | 0.238 | 1246 | 297 | 4 | -17 | -38 | 348 |
| 1 | 12:31 | - | 0.214 | 0.238 | 1250 | 297 | 4 | -22 | -38 | 353 |
| 2 | 12:36 | - | 0.215 | 0.239 | 1317 | 315 | 4 | -19 | -39 | 369 |
| 3 | 12:50 | - | 0.216 | 0.240 | 1259 | 302 | 5 | -19 | -39 | 355 |
| 4 | 12:55 | - | 0.215 | 0.238 | 1310 | 313 | 5 | -17 | -39 | 364 |
| 11 | 14:38 | - | 0.215 | 0.239 | 1090 | 260 | 4 | -10 | -36 | 303 |
| 12 | 14:43 | - | 0.214 | 0.238 | 1247 | 297 | 4 | -17 | -38 | 347 |
| B | - | 60mm disc | 0.222 | 0.247 | 1268 | 313 | 5 | -13 | -38 | 359 |
| 5 | 13:06 | - | 0.223 | 0.248 | 1251 | 310 | 4 | -16 | -38 | 360 |
| 6 | 13:11 | - | 0.221 | 0.246 | 1305 | 321 | 6 | -9 | -38 | 362 |
| 7 | 13:17 | - | 0.222 | 0.246 | 1247 | 308 | 5 | -14 | -38 | 355 |
| C | - | 100mm disc | 0.239 | 0.262 | 1222 | 321 | 5 | -6 | -38 | 360 |
| 8 | 13:38 | - | 0.242 | 0.266 | 1159 | 308 | 4 | -11 | -37 | 352 |
| 9 | 13:43 | - | 0.237 | 0.260 | 1227 | 320 | 6 | -11 | -37 | 362 |
| 10 | 13:48 | - | 0.241 | 0.264 | 1168 | 309 | 7 | -17 | -37 | 356 |
| 13 | 15:18 | - | 0.237 | 0.259 | 985 | 256 | 5 | -6 | -35 | 292 |
| 14 | 15:24 | - | 0.237 | 0.261 | 1570 | 411 | 4 | 13 | -42 | 436 |
Detailed Run Data - Speed, Position & Calibration
| Run Number | Distance m | Duration s | Speed m/s | Air Speed m/s | Yaw (abs) deg. | Yaw deg. | Head cm | Chest cm | CpCorr | Wheel Circumference m | Yaw Offset ° | Combined Mass | Power Meter Slope | Crr | Crr at Test Temp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1030.9 | 81.4 | 12.74 | 12.75 | 1.3 | 0.1 | 8.1 | 14.8 | 1.109 | 2.12 | -1.27 | 93.50 | 1.000 | 0.00300 | 0.00327 |
| 1 | 1031.2 | 81.3 | 12.75 | 12.77 | 1.3 | 0.6 | 10.6 | 14.0 | - | - | - | - | - | - | 0.00328 |
| 2 | 1032.6 | 79.7 | 13.02 | 12.91 | 1.3 | 0.3 | 10.1 | 15.4 | - | - | - | - | - | - | 0.00328 |
| 3 | 1029.4 | 80.4 | 12.86 | 12.77 | 1.1 | 0.3 | 8.6 | 12.9 | - | - | - | - | - | - | 0.00327 |
| 4 | 1030.9 | 79.7 | 13.01 | 12.90 | 1.3 | 0.3 | 19.1 | 16.3 | - | - | - | - | - | - | 0.00327 |
| 11 | 1030.8 | 85.3 | 12.14 | 12.36 | 1.1 | -0.5 | 0.0 | 14.5 | - | - | - | - | - | - | 0.00325 |
| 12 | 1030.6 | 82.0 | 12.63 | 12.77 | 1.3 | -0.5 | 0.0 | 15.7 | - | - | - | - | - | - | 0.00325 |
| B | 1031.0 | 81.2 | 12.77 | 12.82 | 1.0 | 0.2 | 25.2 | 16.4 | 1.109 | 2.12 | -1.27 | 93.50 | 1.000 | 0.00300 | 0.00327 |
| 5 | 1030.5 | 81.2 | 12.75 | 12.78 | 1.0 | 0.3 | 21.6 | 16.6 | - | - | - | - | - | - | 0.00327 |
| 6 | 1030.3 | 81.0 | 12.84 | 12.95 | 1.0 | 0.2 | 20.3 | 15.5 | - | - | - | - | - | - | 0.00327 |
| 7 | 1032.2 | 81.6 | 12.72 | 12.72 | 1.0 | 0.1 | 33.8 | 17.2 | - | - | - | - | - | - | 0.00326 |
| C | 1028.4 | 82.4 | 12.62 | 12.59 | 1.3 | -0.2 | 0.0 | 15.0 | 1.109 | 2.12 | -1.27 | 93.50 | 1.000 | 0.00300 | 0.00326 |
| 8 | 1031.0 | 82.8 | 12.51 | 12.44 | 1.3 | -0.1 | 0.0 | 16.9 | - | - | - | - | - | - | 0.00325 |
| 9 | 1029.3 | 83.4 | 12.47 | 12.77 | 1.3 | -0.2 | 0.0 | 15.9 | - | - | - | - | - | - | 0.00325 |
| 10 | 1014.5 | 82.4 | 12.47 | 12.44 | 1.3 | -0.1 | 0.0 | 13.4 | - | - | - | - | - | - | 0.00325 |
| 13 | 1033.3 | 88.9 | 11.73 | 11.70 | 1.4 | -0.4 | 0.0 | 12.2 | - | - | - | - | - | - | 0.00327 |
| 14 | 1034.2 | 74.6 | 13.90 | 13.57 | 1.2 | -0.4 | 0.0 | 16.6 | - | - | - | - | - | - | 0.00328 |