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VOLKSWAGEN'S NEW 1,3 L HIGH PERFORMANCE SI-ENGINE SUPERCHARGED BY THE VW G-LADER
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Abstract
Following the trend of sporty driveability even in the subcompact passenger car segment, a high performance gasoline engine of about 85 kW output for the VW-Polo should be developed. A comparison of different power boosting technologies, i.e. 4 valves per cylinder, turbo-charging and supercharging results in advantages for the supercharger system. The VW-developed supercharger, called “G-Lader” shows good efficiency and excellent durability.
On the basis of a 1,3 1 natural aspirated engine of current production the development of the 1,3 1 “G-Lader” supercharged gasoline engines is described including charge pressure control, piston modifications, optimisation of valve timing and mixture preparation system. Test results show, performance and fuel consumption data comparable to a natural aspirated engine of 40 % increased displacement.
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Citation
Kuck, H., Fleischer, V., and Schnorbus, W., "VOLKSWAGEN'S NEW 1,3 L HIGH PERFORMANCE SI-ENGINE SUPERCHARGED BY THE VW G-LADER," SAE Technical Paper 860102, 1986, https://doi.org/10.4271/860102.Also In
References
- Emmenthal K.-D. Müller C. Schäfer D. Verdrängerlader für Volkswagen Motoren MTZ 9/1985
- Wiedemann B. Leptien H. Stolle G. Emmenthal K.-H. Development of the Volkswagen G-Supercharger SAE 860 10 1
- Mielke S. Sander W. Werkstoffe F. Weiss für leichte Dieselmotoren Sonderband “75 Jahre Kolbenschmidt AG” zur IAA/Frankfurt 1985
- David, A. Singer Comparison of a Supercharger vs. a. Turbo-charger in a small Displacement Gasoline Engine Application SAE 850 244