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Ethanol Alcohol and its Effects on Gasoline (page 2)

based on 8 ratings
Author: Robert S.

Hypothesis

Hypothesis: My hypothesis for this experiment is that adding higher levels of ethanol alcohol to gasoline, will not improve the run time of a motor.

Experimental Procedure

  1. Carefully add 50 milliliters of 87 octane gasoline blended with 10% ethanol alcohol to the empty fuel tank of the motor and measure how long the motor runs for.
  2. Remove any remaining fuel from the fuel tank.
  3. Repeat step 1and 2 for 89 and 93 octane gasoline blended with 10% ethanol alcohol.
  4. In a metric unit measuring container blend 45 milliliters of 87 octane gasoline commercially pre-blended with 10% ethanol alcohol, and 5 milliliters of 100% pure ethanol alcohol. This makes the mixture 20% pure ethanol alcohol and 80% gasoline.
  5. With your 20% pure ethanol alcohol and 80% gasoline mixture pour into the empty fuel tank and measure how long the motor runs for.
  6. Remove any remaining fuel from the fuel tank.
  7. Repeat steps 5-6 for 89 and 93 octane gasoline commercially pre-blended with 10% ethanol alcohol.
  8. In a metric unit measuring container blend 40 milliliters of 87 octane gasoline commercially pre- blended with 10% ethanol alcohol, and 10milliliters of 100% pure ethanol alcohol. This makes the mixture 30% ethanol alcohol and 70% gasoline.
  9. Remove any remaining fuel from the fuel tank.
  10. Repeat steps 8-9 for 89 and 93 octane gasoline commercially pre-blended with 10% ethanol alcohol.
  11. In a metric unit measuring container blend 35 milliliters of 87 octane gasoline commercially pre- blended with 10% ethanol alcohol, and 15 milliliters of 100% pure ethanol alcohol. This makes the mixture 40% ethanol alcohol and 60% gasoline.
  12. Remove any remaining fuel from the fuel tank.
  13. Repeat steps 12 and 13 for 89 and 93 octane gasoline commercially pre- blended with 10% ethanol alcohol.
  14. In a metric unit measuring container blend 30 milliliters of 87 octane gasoline commercially pre- blended with 10% ethanol alcohol, and 20 millimeters of 100% pure ethanol alcohol. This makes the mixture 50% ethanol alcohol and 50% gasoline.
  15. Remove any remaining fuel from the fuel tank.
  16. Repeat steps 12 and 13 for 89 and 93 octane gasoline commercially pre- blended with 10% ethanol alcohol.

Results

87 Octane
% alcohol
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Average
10
212
211
209
208
211
210.2
20
219
195
99
117
176
161
30
201
146
237
0
0
116.8
40
0
0
0
0
0
0
50
0
0
0
0
0
0
89 Octane
% alcohol
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Average
10
211
233
179
227
195
209
20
240
229
183
217
227
219
30
155
173
209
187
232
191
40
168
133
164
182
153
160
50
0
0
0
0
0
0
93 Octane
% alcohol
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Average
10
237
211
232
234
212
225.2
20
232
244
192
213
168
209.8
30
142
237
151
145
150
165
40
0
0
0
0
0
0
50
0
0
0
0
0
0

*Units are in seconds

87
89
93
10
210.2
209
225.2
20
161
219
209.8
30
116.8
191
165
40
0
160
0
50
0
0
0
 
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