Ski and Snow Sports Archives
 
Filters: Collection Name: "Richard Bird" Collection: "uum_map_usa"
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1 Pine Basin Ski Area, Targhee National Forest, installation of the rope towuum_map_usaImage
2 "Saftey gate used on the hemp plaited rope. When the skier hits rope with flag on it pulls out stick from under safety , which is hinged weight; which in turn, turns off ignition and disengages clutch on engine."uum_map_usaImage
3 "Showing the two counter weights used. The one in the foreground, the polypropylene plaited rope, which is on the right hand side looking up the hill. The hemp plaited rope runs on the left side going up. There are 300 lbs. in each barrel."uum_map_usaImage
4 "Showing the power plant for the hemp plaited rope, which is at the lower end of the tow."uum_map_usaImage
5 "Showing the power plant for the polypropylene rope at uphill end of the tow."uum_map_usaImage
6 "Looking down the two tow lines from the top. Each 1,100 ft. down the hill."uum_map_usaImage
7 Skyline Ski Area, Caribou National Forest, rope tows and pulleys.uum_map_usaImage
8 Skyline Ski Area, Caribou National Forest, Rope tow and pulley.uum_map_usaImage
9 Skyline Ski Area, Caribou National Forest, rope tow and pulleyuum_map_usaImage
10 Skyline Ski Area, Caribou National Forest, power plant used on the new polypropylene plaited rope which is at the upper end of the rope tow.uum_map_usaImage
11 Skyline Ski Area, Caribou National Forest, skiers on the rope tow.uum_map_usaImage
12 Skyline Ski Area, Caribou National Forest, skiers riding the new polypropylene twisted rope tow.uum_map_usaImage
13 "Views showing arrangement of sheaves and drive wheel. Note the groove in the drive wheel, this is a common practice and used to some extent in region 4."uum_map_usaImage
14 "Views showing arrangement of sheaves and drive wheel. Note the groove in the drive wheel, this is a common practice and used to some extent in region 4."uum_map_usaImage
15 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."uum_map_usaImage
16 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."uum_map_usaImage
17 "Intermediate tower showing arrangement of sheaves with the hookup with the tensionmeter to measure tension of rope. This also served as a means to insert misalignment of the sheaves which produced twisting of the ropes."uum_map_usaImage
18 "Intermediate tower showing arrangement of sheaves with the hookup with the tensionmeter to measure tension of rope. This also served as a means to insert misalignment of the sheaves which produced twisting of the ropes."uum_map_usaImage
19 "View showing center tower and the plaited rope which was being tested."uum_map_usaImage
20 "Tensionmeter used to measure tension in the rope."uum_map_usaImage
21 "Intermediate tower with tensionmeter sheaves removed. This arrangement was used to determine what effect intermediate sheaves have on twisting of the rope."uum_map_usaImage
22 "Elevated arm with floating sheave with tensionmeter installed. This was used to determine the effects of tension of rope on sheaves and on rope twisting. It was also used to elevate the rope so it would not drag along the ground."uum_map_usaImage
23 "Elevated arm with floating sheave with tensionmeter installed. This was used to determine the effects of tension of rope on sheaves and on rope twisting. It was also used to elevate the rope so it would not drag along the ground."uum_map_usaImage
24 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."uum_map_usaImage
25 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."uum_map_usaImage
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