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The Saxon Class VIb ${\displaystyle \textstyle {\mathfrak {V}}}$ were four-coupled, tender locomotives in express train service with the Royal Saxon State Railways. In 1925, the Deutsche Reichsbahn grouped these engines into DRG Class 34.8.

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Saxon VIb V DRG Class 34.80
Type and origin Builder Sächsische Maschinenfabrik Build date 1889 Total produced 14
Specifications Configuration: ​  • Whyte 2-4-0  • UIC 1′B n2v Gauge 1,435 mm (4 ft 8+1⁄2 in) Leading dia. 1,230 mm (4 ft 3⁄8 in) Driver dia. 1,875 mm (6 ft 1+7⁄8 in) Length: ​  • Over beams 15,083 mm (49 ft 5+3⁄4 in) Axle load 131.4 kN Adhesive weight 260.9 kN Service weight 367.7 kN Boiler pressure 12 kg/cm2 (1,180 kPa; 171 psi) Heating surface:  • Firebox 1.82 m2 (19.6 sq ft)  • Evaporative 102.13 m2 (1,099.3 sq ft) Cylinders 2 Piston stroke 560 mm (22+1⁄16 in) High-pressure cylinder 440 mm (17+5⁄16 in) Low-pressure cylinder 650 mm (25+9⁄16 in) Valve gear Allan
Performance figures Maximum speed 85 km/h (53 mph)
Career Numbers VIb V 161–174 DRG 34 8011

History

The Saxon Class VIb V locomotives were built from 1889 onwards in a total of 14 units by the Hartmann and were designed for hauling express trains. They were mostly retired by 1922. The Reichsbahn took over just one engine and gave it the running number 34 8011. It was retired in 1925.

Technical features

These locomotives were the first compound locomotives in Saxony. Its two-cylinder, compound engine was located behind the carrying axle and drove the final axle. The locomotives had an inside Allan valve gear. The steam dome was in the centre of the boiler over the middle axle. The running gear had an improved Nowotny carrying axle, nevertheless it did not have good riding qualities. The Schleifer brakes were later converted to Westinghouse brakes.

See also

• Royal Saxon State Railways
• List of Saxon locomotives and railbuses

References

• Spielhoff, Lothar (1990). Länderbahn-Dampf-Lokomotiven. Band 1: Preußen, Mecklenburg, Oldenburg, Sachsen und Elsaß-Lothringen (in German). Stuttgart: Franckh'sche Verlagshandlung. ISBN 3-440-06145-0.^{[page needed]}
• Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1976). Dampflokomotiven deutscher Eisenbahnen, Baureihe 01–39 (EFA 1.1) (in German) (3rd ed.). Düsseldorf: Alba Buchverlag. pp. 198–199. ISBN 3-87094-081-6.

На других языках

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[de] Sächsische VIb V

Als Gattung VIb V {\displaystyle \textstyle {\mathfrak {V}}} bezeichneten die Königlich Sächsischen Staatseisenbahnen zweifach gekuppelte Schlepptender-Lokomotiven für den Schnellzugdienst. Die Deutsche Reichsbahn ordnete die Lokomotiven ab 1925 in die Baureihe 34.8 ein.

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- [en] Saxon VIb V

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