Ski and Snow Sports Archives
 
Filters: Collection Name: "Richard Bird" Collection: "uum_map_usa"
1 - 25 of 27
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TitleCollection Number And NamePhoto Number
1 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_22
2 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_23
3 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_17
4 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_18
5 "Intermediate tower with tensionmeter sheaves removed. This arrangement was used to determine what effect intermediate sheaves have on twisting of the rope."P0388 Richard Bird Photograph CollectionP0388 n 1_01_21
6 "Looking down the two tow lines from the top. Each 1,100 ft. down the hill."P0388 Richard Bird Photograph CollectionP0388 n 1_01_06
7 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_02
8 "Showing the power plant for the hemp plaited rope, which is at the lower end of the tow."P0388 Richard Bird Photograph CollectionP0388 n 1_01_04
9 "Showing the power plant for the polypropylene rope at uphill end of the tow."P0388 Richard Bird Photograph CollectionP0388 n 1_01_05
10 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_03
11 "Tensionmeter used to measure tension in the rope."P0388 Richard Bird Photograph CollectionP0388 n 1_01_20
12 "View showing center tower and the plaited rope which was being tested."P0388 Richard Bird Photograph CollectionP0388 n 1_01_19
13 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_24
14 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_25
15 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_26
16 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_27
17 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_13
18 "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."P0388 Richard Bird Photograph CollectionP0388 n 1_01_14
19 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."P0388 Richard Bird Photograph CollectionP0388 n 1_01_15
20 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."P0388 Richard Bird Photograph CollectionP0388 n 1_01_16
21 Pine Basin Ski Area, Targhee National Forest, installation of the rope towP0388 Richard Bird Photograph CollectionP0388 n 1_01_01
22 Skyline Ski Area, Caribou National Forest, rope tow and pulleyP0388 Richard Bird Photograph CollectionP0388 n 1_01_09
23 Skyline Ski Area, Caribou National Forest, Rope tow and pulley.P0388 Richard Bird Photograph CollectionP0388 n 1_01_08
24 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.P0388 Richard Bird Photograph CollectionP0388 n 1_01_10
25 Skyline Ski Area, Caribou National Forest, rope tows and pulleys.P0388 Richard Bird Photograph CollectionP0388 n 1_01_07
1 - 25 of 27