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Acceleration Tests

January 2006 Austria Tests (excerpts from January 2006 Newsletter)

 

          With the diesel Fiesta we also did two acceleration tests.  To prevent any inconsistency in clutch techniques from a standing start, we used a flying start method.  On the first test we started the watch as I floored the accelerator with the transmission in second gear at 2000 RPM and stopped the watch when we reached 4000 RPM in 3rd gear (signaled to the watch keeper by my shifting into fourth gear).  The second acceleration test procedure was to start in 4th gear at 2000 RPM and stop at 3500 RPM, without changing gears.

 

          Following are the results of the tests:

 

Acceleration tests for the diesel Fiesta showed 9.3% faster for test one.

Acceleration tests for the diesel Fiesta showed 10.6% faster for test two. 

Note that these tests included an increase in tire pressure so we cannot claim a 10% increase in power because there was also a corresponding reduction in tire drag.

 

 

8-29-01
 
  Today I did over 25 test runs of 0-60 mph acceleration with various combinations of devices installed and operating on the Hyundai Excel.  Each combination of devices was tested four times on a section of road in rural New York, two times in each direction.  The slowest time in each direction was discarded and the two remaining times (fastest time for each direction) were averaged.  The chart below shows the average 0-60 mph time for the indicated combination of devices.

Cold fuel no devices    19.35
Hot fuel no devices     18.9
all other tests were done with hot fuel (160-195 degrees Fahrenheit)
stock                         18.9
with hydrogen           18.55
with mist                  19.45
with mist and EFIE     22.3
with hydrogen & mist  19.45
with hydrogen, EFIE    19.75
with hydrogen, mist and EFIE  20.8   


in table form for easier comparison the data looks like this:
Cold        Hot        w/Hydrogen    w/EFIE & Hydrogen
19.35        18.9        18.55        19.75
with mist  19.45       19.45        20.8
with EFIE                 22.3
Comparing these numbers by dividing the stock acceleration time by each of the test times give us a rough estimation of the increase or decrease in available long term maximum horsepower with each set of devices operation.  The following is a
summary:
Heated fuel when compare to cold fuel achieved an increase in power of 2.6%
Hydrogen injection with heated fuel achieved an increase in power of 4.7%

Hydrogen and mist with heated fuel encountered a decrease in power of 0.5%
Heated fuel with mist alone encountered a decrease in power of 0.5%
Heated fuel with mist, Hydrogen, and EFIE encountered a decrease of 7.0%
Heated fuel with mist and EFIE and without hydrogen encountered a decrease of 11.4%.
Generally heating the fuel increased the horsepower.
Generally adding hydrogen increased the horsepower.
Generally adding the mist increased instantaneous available hp but decreased long term available horsepower.
Use of the EFIE device always decreases available horsepower compared to the same setup without the EFIE device. 

EFIE stands for Electronic Fuel Injection Enhancer offered by Eagle Research.

 

Hydrogen-Boost web pages and all information contained therein are hereby copyrighted.  Reproduction, alteration, or any other use of the information (in part or in entirety) contained on these pages is strictly forbidden without express written permission of the author.

 

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