APPENDIX H.   FOURTH ROUND TEST DATA


TABLE H-1. STOPPING DISTANCE RESULTS
CHEVROLET ASTRO, FOURTH ROUND OF TESTING
Stop No. Stopping
Distance, ft		 Pedal Effort
at 0.1 sec, lbf		 Pedal Effort
at 0.2 sec, lbf		 Peak
Effort, lbf		 Effort
Class
Dry Surface, 11/17/99
1 161.64 47.06 70.17 169.17 D
2 164.69 119.14 136.94 226.61 A
3 177.13 14.42 92 185.06 D
4 169.45 82.67 86.07 183.79 D
5 176.8 1.48 22.89 191 D
6 163.76 75.47 104.93 183.58 B
7 165.14 79.49 114.05 194.18 B
8 167.61 82.25 118.71 178.49 B
9 167.41 83.1 81.61 169.38 D
10 165.23 138.64 108.11 166.41 A
11 162.18 182.1 159.41 205.41 A
12 167.81 103.45 137.39 182.73 A
   
AVG 167.4042
STD DEV 5.029763
95% 176.9485
Wet Surface, 11/17/99
1 178.81 119.14 96.03 186.34 A
2 173.55 108.32 100.27 187.18 A
3 173.18 129.1 141.18 234.03 A
4 167.91 98.36 91.15 169.38 C
5 174.35 77.59 87.34 169.8 D
6 175.97 103.87 102.6 162.81 A
7 177.35 117.44 148.81 232.55 A
8 173.84 146.69 177.22 217.07 A
9 175.57 167.89 133.34 177.01 A
10 173.44 105.15 130.37 196.3 A
11 172.01 139.49 134.61 180.19 A
   
AVG 174.18
STD DEV 2.876331
95% 178.08


TABLE H-2. STOPPING DISTANCE RESULTS
CHEVROLET BLAZER, FOURTH ROUND OF TESTING
Stop No. Stopping
Distance, ft		 Pedal Effort
at 0.1 sec, lbf		 Pedal Effort
at 0.2 sec, lbf		 Peak
Effort, lbf		 Effort
Class
Dry Surface, 11/29/99
1 154.81 53.42 72.74 136.75 D
2 151.35 84.38 88.12 156.9 D
3 150.7 53.62 79.81 172.07 D
4 149.06 121.99 124.07 190.36 A
6 155.33 65.68 79.18 173.73 D
7 150.23 55.91 73.16 165.01 D
8 153.21 72.95 93.52 162.51 D
9 161.9 53.83 80.43 166.46 D
10 150.41 89.16 114.93 176.64 B
11 152.65 84.59 94.77 156.49 C
12 147.18 74.82 89.57 159.81 D
13 149.71 91.44 108.28 174.57 B
   
AVG 152.2117
STD DEV 3.852243
95% 158.2865
Wet Surface, 11/29/99
1 162.35 71.7 87.91 174.77 D
2 164.66 84.17 94.15 169.16 C
3 161.69 56.53 74.61 178.31 D
4 159.24 68.79 100.79 164.18 C
5 161.16 75.23 95.81 153.99 C
6 165.7 86.04 89.16 162.1 C
7 164.28 56.74 74.4 171.66 D
8 158.2 65.88 81.05 196.18 D
9 156.84 92.07 83.55 179.97 D
10 156.43 86.04 104.54 164.38 B
11 159.36 92.9 92.9 169.58 B
   
AVG 160.9009
STD DEV 3.166668
95% 165.18


TABLE H-3. STOPPING DISTANCE RESULTS
FORD F150, FOURTH ROUND OF TESTING
Stop No. Stopping
Distance, ft		 Pedal Effort
at 0.1 sec, lbf		 Pedal Effort
at 0.2 sec, lbf		 Peak
Effort, lbf		 Effort
Class
Dry Surface, 11/17/99
2 146.07 113.68 171.03 191.81 A
3 147.08 92.48 151.91 193.27 B
4 149.53 64.01 139.24 197.63 C
5 153.86 55.29 89.57 171.03 D
6 150.28 83.55 135.08 185.79 B
8 147.18 117.21 164.59 191.81 A
9 147.04 150.88 187.24 194.93 A
10 152.57 119.5 184.33 187.66 A
11 147.6 156.28 182.05 196.8 A
12 149.58 120.54 166.25 175.6 A
13 150.35 153.78 189.32 197.84 A
   
AVG 149.1945
STD DEV 2.478138
95% 153.215
Wet Surface, 11/17/99
2 159.99 92.07 197.63 220.28 B
3 155.23 101.63 221.94 272.86 A
4 156.76 84.38 161.47 199.29 B
5 157.42 134.87 211.35 231.92 A
6 160.69 88.12 134.87 166.05 B
7 158.58 139.03 216.75 236.08 A
8 159.54 84.59 176.64 203.03 B
9 158.28 96.22 173.11 198.26 B
10 158.98 98.3 157.11 205.94 B
   
AVG 158.3856
STD DEV 1.701177
95% 160.41


TABLE H-4. STOPPING DISTANCE RESULTS
CHEVROLET MALIBU, FOURTH ROUND OF TESTING
Stop No. Stopping
Distance, ft		 Pedal Effort
at 0.1 sec, lbf		 Pedal Effort
at 0.2 sec, lbf		 Peak
Effort, lbf		 Effort
Class
Dry Surface, 11/18/99
1 138.22 119.56 155.81 202.23 A
2 140.8 174.04 207.11 209.23 A
3 139.57 116.38 150.3 169.8 A
4 141.96 52.36 97.73 191.21 D
5 143.77 60.42 117.44 173.4 C
6 142.71 91.58 124.86 176.37 B
7 140.58 66.56 104.93 175.52 C
8 140.43 66.35 129.52 181.46 C
9 141.65 56.18 98.36 171.5 C
10 142.34 44.52 93.27 176.58 D
   
AVG 141.203
STD DEV 1.620672
95% 143.293
Wet Surface, 11/18/99
1 143.31 83.52 130.37 178.92 B
2 141.63 86.07 130.37 188.88 B
3 145.65 83.52 133.76 177.01 B
4 154.82 100.27 148.18 234.88 A
5 141.66 111.08 147.12 188.46 A
6 142.32 91.58 136.31 186.97 B
7 143.86 57.87 118.92 170.22 C
8 143.9 81.83 139.49 190.79 B
9 141.01 88.4 146.91 199.9 B
10 141.08 91.79 141.18 187.82 B
11 142.94 100.06 126.34 188.03 A
   
AVG 143.8345
STD DEV 3.905182
95% 150.235





Figure H-1. Brake pedal application efforts for Chevrolet Astro, fourth test round.



Figure H-2. Brake pedal application efforts for Chevrolet Blazer, fourth test round.



Figure H-3. Brake pedal application efforts for Ford F150, fourth test round.



Figure H-4. Brake pedal application efforts for Chevrolet Malibu, fourth test round.



TABLE H-5. FRONT BRAKE LINING TEMPERATURES
CHEVROLET ASTRO, FOURTH ROUND OF TESTING
  Dry Surface, 11/17/99 Wet Surface, 11/17/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 199 167 196 167 181 138 184 163
2 202 167 198 171 203 166 195 174
3 203 167 203 175 207 174 195 175
4 201 167 201 175 204 167 194 172
5 204 166 203 177 193 160 184 160
6 204 164 200 174 206 169 196 174
7 172 139 169 144 205 172 194 176
8 192 145 191 164 204 173 196 174
9 198 152 196 170 202 166 195 172
10 202 158 201 175 206 161 198 175
11 202 168 204 177 205 167 199 176
12 205 162 205 179 - - - -


TABLE H-6. FRONT BRAKE LINING TEMPERATURES
CHEVROLET BLAZER, FOURTH ROUND OF TESTING
  Dry Surface, 11/29/99 Wet Surface, 11/29/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 201 192 204 211 197 194 218 231
2 198 188 200 206 193 183 201 208
3 201 191 202 210 172 163 179 181
4 183 174 187 194 188 178 186 194
5 245 245 259 285 186 176 184 192
6 193 183 199 206 188 178 181 189
7 195 186 199 209 187 178 182 189
8 194 186 198 209 200 192 191 202
9 198 189 202 213 197 189 194 203
10 197 188 201 210 194 183 192 201
11 201 192 200 209 193 184 194 203
12 203 195 200 211 - - - -
13 198 189 197 206 - - - -

LFO = Left Front Outer.
LFI = Left Front Inner.
RFO = Right Front Outer.
RFI = Right Front Inner.



TABLE H-7. FRONT BRAKE LINING TEMPERATURES
FORD F150, FOURTH ROUND OF TESTING
  Dry Surface, 11/17/99 Wet Surface, 11/17/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 217 206 229 223 230 220 227 214
2 194 193 194 196 216 209 206 201
3 197 192 193 194 203 196 195 192
4 202 198 198 199 201 194 195 192
5 202 197 194 195 207 200 203 199
6 193 188 186 186 207 200 203 200
7 221 215 225 217 205 199 199 196
8 209 206 203 203 202 195 197 193
9 203 199 198 198 203 194 198 193
10 202 199 195 193 203 194 197 193
11 198 194 192 192 - - - -
12 203 199 201 201 - - - -
13 200 195 194 195 - - - -


TABLE H-8. FRONT BRAKE LINING TEMPERATURES
CHEVROLET MALIBU, FOURTH ROUND OF TESTING
  Dry Surface, 11/18/99 Wet Surface, 11/18/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 212 193 191 184 185 164 173 166
2 208 190 188 178 190 169 175 168
3 210 189 186 176 193 171 173 164
4 208 188 186 176 195 172 173 164
5 209 189 188 180 179 158 165 156
6 203 182 182 173 183 160 163 152
7 203 182 183 175 185 162 164 154
8 203 181 182 174 191 167 168 158
9 202 181 184 175 187 166 166 158
10 196 175 179 172 186 163 167 158
11 - - - - 194 170 173 162

LFO = Left Front Outer.
LFI = Left Front Inner.
RFO = Right Front Outer.
RFI = Right Front Inner.



TABLE H-9. BRAKE COOLDOWN SEGMENTS
FOURTH TEST ROUND, DRY PAVEMENT
(DISTANCE ACCUMULATED, MI AND ELAPSED TIME, SEC)
Ford F150             Chevy Blazer
Stop No. Distance Time   Stop No. Distance Time
1 2.08 299   1 2 188
2 2.46 212   2 2.19 196
3 2.25 214   3 2.29 224
4 2.35 223   4 1.18 217
5 2.38 211   5 3.13 299
7 2.75 262   6 2.07 168
8 2.29 230   7 2.32 197
10 2.73 251   8 2.19 188
11 2.32 215   9 2.51 211
12 2.45 220   10 2.48 208
6 ND ND   11 2.2 190
9 ND ND   12 2.21 233
13 ND ND   13 ND ND
             
AVG 2.406 233.7   AVG 2.230833 209.9167
STD DEV 0.206408 28.68236   STD DEV 0.441906 33.29881
Chevy Malibu   Chevy Astro Van
Stop No. Distance Time   Stop No. Distance Time
1 1.74 198   1 1.99 178
2 1.62 168   2 2 177
3 1.65 166   3 2.02 193
4 1.68 148   4 2 190
5 1.88 168   5 2.13 194
6 1.9 164   6 2.79 274
7 1.86 158   7 1.69 155
8 1.85 160   8 1.93 180
9 1.83 162   9 2 190
10 1.65 156   10 1.97 182
        11 2.11 187
        12 2.28 210
             
AVG 1.766 164.8   AVG 2.075833 192.5
STD DEV 0.109158 13.17236   STD DEV 0.263696 28.7892
ND=No Data Collected



TABLE H-10. BRAKE COOLDOWN SEGMENTS
FOURTH TEST ROUND, WET PAVEMENT
(DISTANCE ACCUMULATED, MI AND ELAPSED TIME, SEC)
Ford F150             Chevy Blazer
Stop No. Distance Time   Stop No. Distance Time
1 2.91 274   1 2.6 264
2 2.47 246   3 2.23 205
3 2.43 219   4 2.19 203
5 2.46 231   5 2.21 184
6 2.66 247   6 2.13 181
7 2.62 234   7 2.2 186
8 2.61 233   8 2.26 211
9 2.61 240   9 2.3 204
4 ND ND   10 2.03 189
10 ND ND   11 2.21 186
        2 ND ND
             
AVG 2.59625 240.5   AVG 2.236 201.3
STD DEV 0.153803 16.23928   STD DEV 0.147437 24.44972
Chevy Malibu   Chevy Astro Van
Stop No. Distance Time   Stop No. Distance Time
1 1.38 174   2 2.08 213
2 1.88 177   3 2.09 229
3 1.76 151   4 1.93 294
4 1.55 150   5 2.07 201
5 1.89 185   6 2.01 220
6 1.9 185   7 2.07 242
7 1.79 163   8 2.05 218
8 1.67 204   9 2.21 221
9 1.67 143   10 2.11 217
10 1.77 177   1 ND ND
11 ND ND   11 ND ND
             
AVG 1.726 170.9   AVG 2.068889 228.3333
STD DEV 0.165005 19.00555   STD DEV 0.07524 27.01851
ND=No Data Collected


TABLE H-11. ATMOSPHERIC CONDITIONS, FOURTH TEST ROUND
Date Time,
EST		 Avg Wind
Direction		 Avg Wind
Speed, mph		 Peak Wind
Speed, mph		 Avg Air
Temp,  oF		  
RH, %		 Pressure,
Hg		 Total
precip, in
11/17/99 08:00 301 4.4 8.5 33.5 54 30.04 0.00
11/17/99 08:15 308 4.8 10.1 34.5 52 30.05 0.00
11/17/99 08:30 311 6.3 13.8 35.2 51 30.05 0.00
11/17/99 08:45 329 5.3 11.7 36.1 50 30.05 0.00
11/17/99 09:00 319 7.8 14.1 36.6 49 30.07 0.00
11/17/99 09:15 338 8.5 16.7 37.0 49 30.07 0.00
11/17/99 09:30 330 7.8 15.0 37.6 48 30.07 0.00
11/17/99 09:45 330 10.0 18.0 38.1 47 30.07 0.00
11/17/99 10:00 334 10.5 21.8 38.3 45 30.06 0.00
11/17/99 10:15 319 11.5 21.5 38.5 45 30.06 0.00
11/17/99 10:30 329 11.1 19.5 39.0 44 30.04 0.00
11/17/99 10:45 342 9.2 18.9 39.9 43 30.08 0.00
11/17/99 11:00 333 7.5 17.5 40.6 42 30.06 0.00
11/17/99 11:15 335 8.4 17.1 41.0 40 30.08 0.00
11/17/99 11:30 343 9.4 20.0 40.9 40 30.05 0.00
11/17/99 11:45 335 9.3 16.4 41.3 39 30.06 0.00
11/17/99 12:00 326 8.6 14.4 41.4 37 30.06 0.00
11/17/99 12:15 319 7.6 15.1 42.0 38 30.06 0.00
11/17/99 12:30 314 8.1 12.7 42.0 37 30.06 0.00
11/17/99 12:45 311 8.3 14.4 42.5 36 30.06 0.00
11/17/99 13:00 312 7.5 13.3 43.6 35 30.05 0.00
11/17/99 13:15 302 8.7 16.9 43.6 34 30.06 0.00
11/17/99 13:30 336 8.3 16.4 43.9 33 30.06 0.00
11/17/99 13:45 322 7.3 14.9 44.1 33 30.06 0.00
11/17/99 14:00 315 6.7 13.9 43.9 33 30.06 0.00
11/17/99 14:15 335 7.9 13.9 44.2 32 30.07 0.00
11/17/99 14:30 330 7.0 12.6 43.8 32 30.04 0.00
11/17/99 14:45 336 7.7 13.8 44.4 32 30.07 0.00
11/17/99 15:00 339 6.4 11.0 44.5 33 30.07 0.00
11/17/99 15:15 329 5.7 11.4 45.1 32 30.07 0.00
11/17/99 15:30 320 7.5 13.1 44.6 32 30.08 0.00


TABLE H-11 (CONT'D)
Date Time,
EST		 Avg Wind
Direction		 Avg Wind
Speed, mph		 Peak Wind
Speed, mph		 Avg Air
Temp,  oF		  
RH, %		 Pressure,
Hg		 Total
precip, in
11/17/99 15:45 327 4.9 11.3 44.1 32 30.09 0.00
11/17/99 16:00 334 4.7 11.7 43.7 33 30.09 0.00
11/17/99 16:15 349 5.3 8.8 43.2 34 30.10 0.00
11/17/99 16:30 352 5.2 8.9 42.8 34 30.10 0.00
                 
11/18/1999 14:00 219 8.2 11.5 51.8 40 30.23 0.00
11/18/1999 14:15 220 7.9 11.5 52.0 39 30.22 0.00
11/18/1999 14:30 233 8.0 11.1 51.9 40 30.21 0.00
11/18/1999 14:45 235 7.3 11.1 51.9 41 30.22 0.00
11/18/1999 15:00 224 6.7 9.3 51.9 41 30.20 0.00
11/18/1999 15:15 210 6.9 9.4 51.9 41 30.22 0.00
11/18/1999 15:30 233 5.6 8.7 52.1 41 30.21 0.00
11/18/1999 15:45 216 5.9 7.8 51.8 41 30.25 0.00
11/18/1999 16:00 225 4.3 6.2 51.6 42 30.21 0.00
                 
11/29/1999 9:30 258 6.7 10.9 41.5 67 30.30 0.00
11/29/1999 9:45 265 7.6 13.0 43.1 63 30.31 0.00
11/29/1999 10:00 276 10.4 17.1 44.2 58 30.31 0.00
11/29/1999 10:15 278 10.2 19.6 44.7 56 30.30 0.00
11/29/1999 10:30 287 11.6 20.5 44.8 55 30.30 0.00
11/29/1999 10:45 284 14.6 24.0 44.9 54 30.29 0.00
11/29/1999 11:00 289 11.3 19.1 45.3 52 30.28 0.00
11/29/1999 11:15 293 12.3 21.5 45.8 47 30.26 0.00
11/29/1999 11:30 286 12.1 24.8 46.3 46 30.25 0.00
11/29/1999 11:45 290 12.3 19.0 46.3 43 30.27 0.00
11/29/1999 12:00 282 13.9 22.6 46.3 44 30.26 0.00