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e Bike review / technical report by NASA


PDF AVAILABLE FROM URL:

2001/TM-2001-210972.pdf
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TITLE AND SUBTITLE:
Baseline Testing of the EV Global E-Bike SX

AUTHOR(S):
Dennis J. Eichenberg, John S. Kolacz, and Paul F. Tavernelli

REPORT DATE:
June 2001

FUNDING NUMBERS:
WU-251-30-07-00

PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
John H. Glenn Research Center at Lewis Field
Cleveland, Ohio 44135-3191

PERFORMING ORGANIZATION REPORT NUMBER:
E-12826

SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Washington, DC 20546-0001

REPORT TYPE AND DATES COVERED:
Technical Memorandum

SPONSORING/MONITORING AGENCY REPORT NUMBER:
NASA TM-2001-210972

SUPPLEMENTARY NOTES:
Responsible person, Dennis J. Eichenberg, organization code 7720, 216-433-8360.

ABSTRACT:
The NASA John H. Glenn Research Center initiated baseline testing of the EV Global E-Bike SX as an update of the state of the art in hybrid electric bicycles. The E-bike is seen as a way to reduce pollution in urban areas, reduce fossil fuel consumption, and reduce operating costs for transportation systems. The work was done under the Hybrid Power Management (HPM) Program, which includes the Hybrid Electric Transit Bus (HETB). The Ebike SX is a high performance, state of the art, ground up, hybrid electric bicycle. Unique features of the e-bike SX 36 V power system include the use of an efficient, 400 W, electric hub motor, and a 7-speed derailleur system that permits operation as fully electric, fully pedal, or a combination of the two. Other innovative features, such as regenerative braking through ultracapacitor energy storage, are planned. Regenerative braking recovers much of the kinetic energy of the vehicle during deceleration. The EBike is an inexpensive approach to advance the state of the art in hybrid technology in a practical application. The project transfers space technology to terrestrial use via nontraditional partners, and provides power system data valuable for future space applications. A description of the Ebike SX, the results of performance testing, and future vehicle development plans are given in this report. The report concludes that the e-bike SX provides excellent performance, and that the implementation of ultracapacitors in the power system can provide significant performance improvements.

SUBJECT TERMS:
Hybrid electric vehicle

NUMBER OF PAGES:
34


PDF AVAILABLE FROM URL:

2001/TM-2001-210972.pdf
( 4,349 KB )