Sd.Kfz. 250 - Description

Description

Power for the Sd.Kfz. 250 was provided by a Maybach 6-cylinder, water-cooled, 4.17-litre (254 cu in) HL 42 TRKM gasoline engine of 100 horsepower (100 PS). It had a semi-automatic pre-selector transmission with seven forward and three reverse gears: Maybach SRG, type VG 102 128 H, (SRG=Schaltreglergetriebe, VG=Variorex-Getriebe, H=Hohlachse). Gears were first selected and then the clutch depressed to change the ratio, the next gear could then be selected in advance. In effect, the clutch acted as a gear change 'switch'. It could attain 76 km/h (47 mph), but the driver was cautioned not to exceed 65 km/h (40 mph).

Both tracks and wheels were used for steering. The steering system was set up so that shallow turns only used the wheels, but brakes would be applied to the tracks when the steering wheel was turned more. The drive sprocket had rollers, rather than the more common teeth. The rear suspension consisted of four double roadwheels mounted on swing arms sprung by torsion bars. An idler wheel, mounted at the rear of the vehicle, was used to control track tension. The front wheels had transversely mounted leaf springs and shock absorbers, the only ones on the vehicle, to dampen impacts.

The Sd.Kfz. 250 was unique among German half-track designs as it, and its parent Sd.Kfz. 10, used a hull rather than a frame.

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