d. Construction of Hand Sled
The light hand sled (Model Army Training School for Mountain Warfare) (Modell Heereshochgebirgsschule) has proved to be very useful on the Eastern Front in snow of medium depth. (See figs. 80 and 81). It can be drawn by men, dogs, or horses and is made of old skis and other easily procurable material. No metal parts are used at the joints. The sled must be flexible and mobile, and the front part should be more lightly loaded than the rear. It has a weight of 9 to 11 pounds and can be drawn by one or more men, or by dogs. It can be used in trackless terrain. When drawn by skiers, the weight of the cargo should not be more than 80 kilograms (176 pounds); when drawn by dogs, not more than the total weight of the dogs.
A double shaft, which also serves as a brake, is used to tow single or tandem sleds. A towrope (preferably with a breast or waist belt) is used for sleds drawn by one or more soldiers or by dogs. Braking ropes are used in hilly terrain. The materials necessary for construction are one pair of skis without bindings, or two old unusable skis, and hardwood for the frame. For the lengthwise slats in the middle, softwood will do. As a substitute for hardwood, dried branches (birch or ash) can be used, but stability and carrying capacity will be reduced. Other materials are four leather straps, about 10 inches long; rings or eyelets with screws for fastening the straps and to the runners; two rings for the towing device, and two rings each for tandem and braking ropes; two poles (for a tandem); four poles, 6 feet 6 inches to 7 feet long, for shafts; one barrel hoop (two hoops for a tandem), 24 inches in diameter; ropes for towing and braking. The contruction time required is 1½ hours for a carpenter and one assistant.
A similar sled used in Siberia is shown in figure 82. This sled is well adapted for towing by skiers, and may be used for transporting the wounded. The ski-shaped runners are 4 to 5 meters (13 to 16 feet) long. The width of the track should be about the same as that made by a skier (in no case more than 24 inches). The height of the sled is 28 inches; the height from the runners to the carrying board, 12 inches. The carrying board is flexibly fastened to the upper rails of the frame with ropes or cords.