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A Hybrid Transmission for SAE Mini Baja Vehicles
Technical Paper
2003-32-0045
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper describes a hybrid transmission consisting of a Salsbury style rubber belt continuously variable transmission (CVT) and a two-speed manual transmission. Rubber belt CVT transmissions are used extensively in the Mini Baja competitions. Although widely used, rubber belt CVTs have a limited torque ratio range, and teams must reach a balance between top speed and pulling or hill climbing capability. The hybrid transmission described in this paper provides a wider range of torque ratios by combining a CVT with a two-speed manual transmission. Included is a description of the major components, a derivation of the equations used to model the primary pulley in a simulation used to select the desired gear ratios, and a summary of performance characteristics obtained from testing.
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Citation
Allen, M. and LeMaster, R., "A Hybrid Transmission for SAE Mini Baja Vehicles," SAE Technical Paper 2003-32-0045, 2003, https://doi.org/10.4271/2003-32-0045.Also In
References
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- DeVilbiss, B.L. Mathematical Modeling of a Rubber V-Belt Continuously Variable Transmission University of Cincinnati 1997
- Sheu, K.B. et al New Automatic Hybrid Transmissions for Motorcycles Proc. Natl. Sci. Counc. ROC(A) 23 6 1999 716 727