These are sections of members of the walking beam, taken from blueprints supplied by the Florida East Coast Railway Company. My thanks to them for their generous cooperation. These values are for the use of fine-scale modelers. Areas are in square inches; lengths are in inches.
Area Req'd Area Used Member Gross Net Gross Net Section ------------------------------------------------------------------------------------------------------- 27-29 192.0 195.8 4Ls 6 x 6 x 3/4, 6Pls 36 x 3/4 29-30 178.3 213.8 179.0 4Ls 6 x 6 x 3/4, 4Pls 36 x 3/4, 4Pls 36 x 1/2 30-31 126.0 139.2 168.8 141.0 4Ls 6 x 6 x 3/4, 2Pls 36 x 3/4, 2Pls 36 x 11/16, 2Pls 36 x 7/16 ------------------------------------------------------------------------------------------------------- 27-31 232.0 170.0 231.8 172.4 4Ls 6 x 6 x 3/4, 6Pls 36 x 3/4, 2Pls 24 x 3/4 27-30 140.2 141.8 4Ls 6 x 6 x 3/4, 4Pls 36 x 3/4 30-33 96.0 118.0 98.1 4Ls 6 x 4 x 1/2, 2Pls 36 x 3/4, 2Pls 36 x 5/8
Area Req'd Area Used Member Gross Net Gross Net Section ------------------------------------------------------------------------------------------------------- 33-35 63.6 78.8 63.6 4Ls 6 x 6 x 3/4, 2Pls 24 x 1/2, 2Pls 24 x 7/16 31-33 31.1 39.2 31.9 4Ls 6 x 4 x 1/16, 2Pls 15 x 3/4 31-35 91.6 66.6 93.76 75.8 4Ls 6 x 6 x 5/8, 2Pls 24 x 3/4, 2Pls 24 x 1/2 ------------------------------------------------------------------------------------------------------- 33-34 34.2 43.44 35.56 4Ls 6 x 6 x 5/8, 2Pls 15 x 1/2 34-35 43.10 43.44 4Ls 6 x 6 x 5/8, 2Pls 15 x 1/2
All diagonal bracing in the Counterweight Truss is made of 4Ls 4 x 4 x 1/2. All struts in the Counterweight Truss are made of Ls 5 x 3 1/2 x 1/2. Note: In the illustrations below, numbers higher than 16 correspond among illustrations; no others do. Pictures are not to scale.
