APPENDIX G.   THIRD ROUND TEST DATA


TABLE G-1. STOPPING DISTANCE RESULTS
CHEVROLET ASTRO, THIRD 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, 11/04/99
1 162.64 119.56 93.7 186.76 A
2 174.11 96.45 123.8 178.49 B
3 180.46 72.92 86.07 168.32 D
4 171.01 101.75 119.77 183.37 A
5 171.87 82.89 65.5 179.55 D
6 170.27 91.58 97.51 170.01 B
7 176.98 103.66 95.82 184 A
8 181.38 89.25 92.64 179.98 B
9 177.39 125.71 146.27 203.29 A
10 171.48 117.86 124.01 199.69 A
11 174.59 104.72 127.4 184.43 A
12 171.73 105.36 117.86 173.19 A
13 170.28 91.15 117.02 193.33 B
AVG 173.39923
STD DEV 4.9498981
95% 180.828
Wet Surface, 11/04/99
2 184.83 99.85 68.68 172.77 D
3 192.37 128.25 157.08 245.9 A
4 194.66 120.83 168.53 233.4 A
5 193.83 133.34 174.89 198.63 A
6 179.1 94.33 117.23 174.04 B
7 190.82 112.14 83.73 173.19 A
8 196.16 99 124.01 170.01 A
9 179.04 97.73 103.24 175.31 A
10 189.75 90.94 79.71 184.64 B
11 200.64 76.32 92.64 189.09 C
12 188.4 104.09 89.03 168.32 A
AVG 189.96364
STD DEV 6.797775
95% 198.4


TABLE G-2. STOPPING DISTANCE RESULTS
CHEVROLET BLAZER, THIRD 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, 11/03/99
1 169.47 100.17 165.84 170.82 A
2 162.91 60.9 78.98 169.58 D
3 160.34 98.92 153.58 200.54 B
4 159.95 69.62 132.38 202.62 B
5 164.06 51.13 97.05 199.29 D
6 157.92 91.44 154.82 208.65 B
7 164.8 94.98 178.93 233.54 B
8 159.96 65.47 84.79 184.12 D
9 163.61 76.9 139.65 197.42 B
10 155.11 78.14 101.63 174.77 B
11 167.74 103.08 148.59 181.01 A
12 164.74 83.34 132.59 183.29 B
13 163.68 68.38 127.6 182.67 C
14 166.75 78.77 136.95 197.84 B
AVG 162.93143
STD DEV 3.9246477
95% 168.3455
Wet Surface, 11/03/99
2 165.46 112.43 151.5 179.34 A
3 178.26 95.18 111.81 181.22 B
4 162.05 87.29 128.43 182.05 B
5 164.55 87.7 120.33 185.99 B
6 163.07 62.56 117 186.41 C
8 167.16 83.75 122.41 182.05 B
9 174.03 84.17 137.16 173.11 B
10 166.74 68.59 113.47 180.59 B
11 168.28 67.75 89.16 172.9 D
12 167.55 74.4 117.83 164.59 B
13 169.48 48.64 109.52 169.58 D
AVG 167.87545
STD DEV 4.7358618
95% 176.145


TABLE G-3. STOPPING DISTANCE RESULTS
FORD F150, THIRD 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, 11/04/99
1 176.78 99.76 137.16 214.46 A
2 163.41 101.42 167.08 194.51 A
3 163.48 97.68 149.63 194.93 B
4 165.23 74.61 109.31 184.12 B
5 159.17 90.82 163.14 212.59 B
6 167.45 101.21 137.99 173.11 A
7 161.33 131.55 141.73 190.57 A
8 165.85 95.18 151.5 183.92 B
9 168.09 127.19 159.19 188.28 A
10 162.35 131.97 134.87 185.16 A
11 161.2 112.85 153.16 181.01 A
12 165.33 92.27 129.06 168.75 B
AVG 164.9725
STD DEV 4.5622266
95% 172.0005
Wet Surface, 11/04/99
2 184.71 113.26 153.37 192.44 A
3 180.38 115.55 169.79 192.23 A
4 182.04 109.94 148.8 191.19 A
5 181.86 99.76 126.35 173.11 A
6 169.08 101.42 136.33 179.34 A
7 171.59 117.21 156.49 198.46 A
8 172.86 141.32 177.68 192.23 A
9 184.86 132.59 167.08 187.45 A
10 186.06 103.29 150.88 169.16 A
11 178.02 99.55 135.91 191.19 A
12 181.21 131.97 166.25 169.99 A
13 186.83 123.03 179.34 192.85 A
AVG 179.95833
STD DEV 5.9026925
95% 186.4065


TABLE G-4. STOPPING DISTANCE RESULTS
CHEVROLET MALIBU, THIRD 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, 11/03/99
1 188.14 19.29 27.56 157.93 D
2 154.46 67.62 65.72 158.14 D
3 154.71 157.93 132.49 165.35 A
4 143.03 100.27 112.99 187.4 A
5 151.7 70.8 66.78 164.29 D
6 145.4 92.85 83.73 174.68 D
7 147.53 84.58 113.84 188.88 B
8 149.56 59.14 99.21 162.81 D
9 145.96 72.92 106.21 177.43 B
10 143.83 97.94 119.35 168.11 B
11 151.84 64.02 85.01 162.17 D
12 144.91 74.62 118.92 167.47 B
13 142.88 79.49 117.86 175.31 B
14 150.75 63.6 82.89 169.38 D
15 144.88 104.72 147.33 178.07 A
AVG 150.63867
STD DEV 11.11851
95% 164.739
Wet Surface, 11/03/99
1 149.31 106.63 143.51 170.22 A
2 148.45 105.99 119.56 162.81 A
3 148.82 58.51 84.37 148.39 D
4 152.6 120.83 138.85 185.91 A
5 146.13 125.92 141.18 157.93 A
6 149.63 55.96 111.72 164.93 C
7 157.51 99.63 111.93 157.51 A
8 141.81 123.16 158.99 167.05 A
9 153 128.04 150.93 185.91 A
10 146.09 148.6 155.17 175.1 A
11 146.06 130.16 132.07 188.24 A
12 147.29 96.67 112.78 168.53 B
13 149.38 118.08 146.48 187.4 A
AVG 148.92923
STD DEV 3.8971795
95% 154.804




Figure G-1. Brake pedal application efforts for Chevrolet Astro, third test round.



Figure G-2. Brake pedal application efforts for Chevrolet Blazer, third test round.



Figure G-3. Brake pedal application efforts for Ford F150, third test round.



Figure G-4. Brake pedal application efforts for Chevrolet Malibu, third test round.



TABLE G-5. FRONT BRAKE LINING TEMPERATURES
CHEVROLET ASTRO, THIRD ROUND OF TESTING
  Dry Surface, 11/04/99 Wet Surface, 11/04/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 212 178 227 199 - - - -
2 161 139 186 159 208 135 211 186
3 191 164 203 179 193 128 201 168
4 174 141 186 163 190 131 193 163
5 173 137 183 160 197 139 195 165
6 211 165 208 188 199 131 194 167
7 176 155 188 166 199 136 196 168
8 184 182 213 192 198 126 201 170
9 182 145 188 168 195 125 188 165
10 182 145 188 164 195 132 197 167
11 188 149 184 161 197 137 199 171
12 186 143 187 161 199 133 199 171
13 188 142 188 163 201 123 197 168


TABLE G-6. FRONT BRAKE LINING TEMPERATURES
CHEVROLET BLAZER, THIRD ROUND OF TESTING
  Dry Surface, 11/03/99 Wet Surface, 11/03/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 181 182 189 205 - - - -
2 202 201 209 216 199 186 193 198
3 215 212 206 212 210 199 195 202
4 191 185 176 180 199 184 176 179
5 199 192 183 193 190 176 175 180
6 207 198 192 202 187 171 171 174
7 206 197 184 193 - - - -
8 218 212 199 205 211 201 205 215
9 209 198 189 197 192 179 181 185
10 207 197 186 195 186 172 170 173
11 193 179 175 183 216 207 190 198
12 214 206 194 201 194 179 178 184
13 196 183 179 186 212 202 202 212
14 198 185 184 192 - - - -

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



TABLE G-7. FRONT BRAKE LINING TEMPERATURES
FORD F150, THIRD ROUND OF TESTING
  Dry Surface, 11/04/99 Wet Surface, 11/04/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 211 190 216 200 218 205 226 214
2 187 177 194 189 208 199 217 210
3 178 169 187 183 166 157 175 173
4 180 169 187 183 203 190 217 209
5 182 171 190 184 211 201 217 209
6 182 171 193 187 192 181 192 188
7 186 175 201 194 208 198 208 201
8 185 174 200 193 210 200 217 209
9 187 175 200 192 192 181 199 195
10 190 178 201 193 174 162 178 174
11 189 177 199 192 194 182 212 204
12 188 176 201 194 213 201 210 203
13 - - - - 214 205 209 204
14 - - - - 217 207 208 203


TABLE G-8. FRONT BRAKE LINING TEMPERATURES
CHEVROLET MALIBU, THIRD ROUND OF TESTING
  Dry Surface, 11/03/99 Wet Surface, 11/03/99
Stop No. LFO LFI RFO RFI LFO LFI RFO RFI
1 198 170 191 164 211 186 201 181
2 187 163 167 149 200 181 180 169
3 177 156 154 140 196 176 171 162
4 174 154 153 140 193 173 168 158
5 186 162 162 145 198 177 171 161
6 198 180 173 159 189 170 166 157
7 198 176 172 156 214 192 191 174
8 201 176 174 158 205 184 178 167
9 202 178 174 159 193 172 168 160
10 197 175 172 158 199 176 171 159
11 201 180 176 161 198 177 168 157
12 207 185 177 163 194 172 165 155
13 209 186 180 166 194 172 161 150
14 207 184 178 163 - - - -
15 210 188 182 168 - - - -

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



TABLE G-9. BRAKE COOLDOWN SEGMENTS
THIRD TEST ROUND, DRY PAVEMENT
(DISTANCE ACCUMULATED, MI AND ELAPSED TIME, SEC)
Ford F150              Chevy Blazer
Stop No. Distance Time   Stop No. Distance Time
1 2.88 210   1 2.36 173
2 2.43 184   2 2.34 170
3 2.46 179   3 2.74 207
4 2.52 183   4 3.08 228
5 2.62 186   5 3.34 238
6 3.08 211   6 3.26 237
7 3.08 223   7 2.39 178
8 3.12 222   8 3.49 249
9 3.13 221   9 3.35 238
10 3.02 218   10 2.76 205
11 ND ND   11 2.38 173
12 ND ND   12 3.1 228
        13 2.95 213
        14 ND ND
             
AVG 2.834 203.7   AVG 2.887692 210.5385
STD DEV 0.293379 18.39112   STD DEV 0.421073 28.67524
Chevy Malibu   Chevy Astro Van
Stop No. Distance Time   Stop No. Distance Time
1 1.79 137   1 2.64 189
2 1.26 97   2 2.04 152
3 1.1 87   3 2.55 182
4 1.58 119   5 2.34 168
6 2.05 145   6 2.59 191
7 2.01 147   7 2.35 167
8 2.15 152   8 2.63 185
9 2.04 146   9 2.51 182
10 2.06 144   10 2.44 178
11 2.26 158   12 2.49 182
12 2.34 161   4 ND ND
13 2.24 159   11 ND ND
14 2.34 162   13 ND ND
15 2.3 166        
5 ND ND        
             
AVG 1.965714 141.4286   AVG 2.458 177.6
STD DEV 0.395974 24.23511   STD DEV 0.180419 11.93687
ND=No Data Collected



TABLE G-10. BRAKE COOLDOWN SEGMENTS
THIRD TEST ROUND, WET PAVEMENT
(DISTANCE ACCUMULATED, MI AND ELAPSED TIME, SEC)
Ford F150              Chevy Blazer
Stop No. Distance Time   Stop No. Distance Time
1 3.56 246   1 3.19 230
2 3.46 260   2 2.34 165
3 3.55 247   3 3.1 223
4 3.54 257   4 2.64 191
5 3.38 241   5 2.46 197
6 3.56 250   6 2.34 169
7 4.02 287   7 2.35 168
8 3.42 255   8 2.91 208
9 3.55 254   9 2.56 189
10 3.5 249   11 3.05 211
11 3.49 244   12 2.38 168
12 3.53 249   10 ND ND
13 ND ND   13 ND ND
             
AVG 3.546667 253.25   AVG 2.665455 192.6364
STD DEV 0.159962 11.97061   STD DEV 0.334436 23.37209
Chevy Malibu   Chevy Astro Van
Stop No. Distance Time   Stop No. Distance Time
1 2.04 143   1 3.3 249
2 1.96 138   2 2.75 199
3 1.83 129   3 2.52 182
4 1.99 139   4 2.55 186
5 1.72 136   5 2.67 192
6 1.77 131   6 2.84 204
7 2.2 151   7 2.57 186
8 1.99 136   8 2.58 186
9 2.04 138   9 2.89 211
10 2 140   10 2.7 196
11 1.92 135   11 2.61 187
12 ND ND   12 ND ND
             
AVG 1.950909 137.8182   AVG 2.725455 198
STD DEV 0.136048 5.879085   STD DEV 0.225005 19.12067
ND=No Data Collected


TABLE G-11. ATMOSPHERIC CONDITIONS, THIRD TEST ROUND
Date Time,
CST 		Avg Wind
Direction		 Avg Wind
Speed, mph		 Peak Wind
Speed, mph		 Avg Air
Temp, oF
11/3/99 1230 Headwind     44
11/3/99 1600 Crossing ~6-7    
11/4/99 0830 Tailwind ~6-7   36
11/4/99 0945 Tailwind ~6-7    
11/4/99 1315 Tailwind ~7-8 ~15 66
Data based on periodic measurements with hand-held instruments.