TABLE 35. 



MOMENTS OF INERTIA OF FOUR ANGLES WITH EQUAL LEGS, Axis Y-Y. 



Moments of Inertia 



of Four Angles, 



Axis Y-Y, 



Equal Legs. 



L 



r 



For Distances 

 Measured 



from 

 Back to Back. 



Distance Back to Back in Inches. 



89 



.2 B 



ox; 



all 



< 



Distance Back to Back in Inches. 



In. 



i 



A 



t 



ft 



1 



In. 



1 



3X3X1 



; A 



5-44 

 5-76 

 7.12 



8-44 



9.72 



n.oo 



12.24 



13-44 



2.1 



2.7 



3-4 

 4.2 



9.0 

 11.4 



13-7 

 16.0 

 18.4 



20.8 



23-3 



2-5 



3-3 



4-2 



5-i 



10.3 



I3-I 



iS-7 



18.4 



26.5 



2.6 



3-5 



4-4 



5-3 



10.7 



I3-S 



16.3 



19.0 



21.9 



24.7 



27-5 



2.8 



3-7 

 4.6 



5-5 

 n.o 

 14.0 

 16.8 

 19.7 



22.6 

 25.6 

 28.5 



6.2 



15.0 

 1 8.0 



21.0 



24.2 



27.4 

 30.5 



3-4 



4 1 

 5-6 

 6.7 



12.6 

 16.0 

 19.2 



22.5 



25-9 

 29.2 



32-S 



3-7 

 4.9 

 6.1 



7-3 



13-5 

 17.1 



2O.6 



24.0 

 27.6 

 31.2 

 35-1 



4.76 



5-88 



6.92 



8.00 



6.76 



8.36 



9.92 



11.48 



13.00 



14.48 



5-3 

 6.6 



7-9 



9-3 



14.2 



18.0 



21.8 



2S-4 

 29.2 

 32.8 

 36-5 



6.2 



7.8 



9-3 

 n.o 



16.1 



20. 2 



24-3 

 28.6 

 32.8 



37-o 

 41.2 



6-5 

 8.1 



9-7 

 "5 

 16.6 



25.0 

 29-5 

 33-7 

 38.1 



42-5 



6-7 

 8-5 



IO.I 



11.9 

 17.1 

 21.4 



25-7 

 30-3 

 34-7 

 39-2 

 43-7 



7-3 

 9.2 

 n.o 

 12.9 

 18.1 

 22.7 

 27.2 

 32.1 

 36.8 

 41.6 

 46.3 



7-9 

 9-9 

 11.9 

 14.0 

 19.2 

 24.0 

 28.8 

 34-o 

 39-o 

 44.1 

 49.1 



10.7 



20.3 

 25-4 

 30.5 

 36.0 



4i-3 

 46.7 

 52.0 





g 



oHe 

 '*< 



Distance Back to Back of Angles in Inches. 



In. 



In.* 



i 



A 1 A 



2 i 



i il 



4x4x1 



6x6x1 



7.76 

 9.60 

 11.44 

 13.24 

 15.00 

 16.72 

 18.44 

 14.44 

 16.72 

 19.00 

 21.24 



23-44 

 25.60 

 27.76 

 17.44 

 20.24 

 23.00 

 25.72 

 28.44 

 31.12 

 33-76 

 38.92 

 44.00 

 31.00 

 34-72 

 38.44 

 42.12 



45-76 

 52.92 

 60.00 

 66.92 



21.5 

 26.9 



32.3 



37-7 

 43-i 

 49.0 



54-5 



62.7 



73-2 



84.0 



94-8 



105.6 



116.4 



126.8 



108.5 



126.5 



144.6 



163-5 

 181.8 



200.1 

 219.6 

 256.6 

 294.0 



343-2 

 385-9 

 428.8 

 471.8 

 516.8 

 603.2 

 692.9 

 780.8 



23-6 

 29.7 

 35-8 

 41.7 

 47-8 

 54-3 

 60.5 

 68.1 



79-5 



90.9 



103.1 



24-3 

 30-5 

 36-7 

 42.8 

 49-o 

 55-7 

 62.1 



69.5 



81.1 



92.8 



105.2 



25.0 



31-3 

 37-6 

 43-9 

 50-3 

 57-i 

 63-7 

 70.9 

 82.7 



94-7 

 107.4 



II9-5 

 131.6 



143-9 

 119.8 

 139.8 

 159.8 

 180.9 



2OI.2 

 221.6 



243-3 

 284.6 

 326.3 

 369.8 



4I5-9 

 462.4 

 508.8 



557-6 

 651.1 

 748.4 

 8434 



25.6 

 32.1 

 38.6 



45-i 

 51.6 

 58.6 

 65-3 



72-3 



84.4 



96.7 



109.6 



I22.O 



134-4 

 146.9 



I2I.8 

 142.2 

 162.5 

 184.0 

 2O4.6 

 2254 



247-5 

 289.5 

 332-0 



374-4 

 421.2 

 468.2 

 5I5-3 

 S64-7 

 659-4 

 758.0 



854-3 



26.3 

 32-9 

 39-5 

 46.2 



52-9 

 60. i 

 67.0 



73-8 



86.1 



98.6 



111.9 



124-5 

 I37-I 

 150.0 



123.9 

 144.6 



165-3 

 187.1 

 208.1 

 229.2 

 25I-7 

 294-4 

 337-7 



379-1 

 426.5 

 474.1 

 521.8 



571-9 

 667.9 



767-8 

 865.4 



26.9 



33-7 

 40.5 



47-4 

 54-3 

 61.6 

 68.7 



75-3 

 87-9 

 100.6 

 114.2 

 127.0 

 140.0 

 i53-o 

 125.9 

 147.0 

 168.1 

 190.3 

 211.7 

 233.2 

 256.0 

 299-5 

 343-5 

 383-8 

 431.8 

 480.1 

 528.4 

 579-2 

 676.4 



777-7 

 876.6 



27.4 



34-5 

 41.6 

 48.6 



55-7 

 63-2 



70-5 



76.8 



89.7 



102.7 



116.5 



129.6 



142.8 



156.2 



128.1 



149-5 

 171.0 



193-5 

 215-3 

 237.1 

 260.4 

 304.8 

 349-5 

 388.7 



437-3 

 486.2 



535-1 

 586.5 

 685.1 

 787.7 

 887.9 



28.9 

 36-3 

 43-7 

 Si-i 

 58-5 

 66.5 

 74.1 



79-9 

 93-3 

 106.9 

 121.3 

 135-0 

 148.7 

 162.6 

 132.4 



154-5 

 176.8 

 200. i 

 222.7 



245-3 

 269.4 



3I5-2 

 361.6 



398.5 

 448.4 



498.5 



702.7 

 808.0 

 910.9 



136.8 

 159.8 

 182.8 

 206.9 

 230.3 

 253-7 

 278.6 

 326.1 

 374-1 

 408.5 



459-7 

 511.2 



562.7 

 616.9 

 720.8 

 828.8 

 934-5 



141.4 



165.2 

 188.9 



213-9' 



238.1 



262.3 



288.1 



337-2 



386.9 



418.9 



471-3 

 524.2 



577-o 

 632.6 

 739-2 

 850.1 



958-5 



146.2 

 170.7 

 195-3 



221. 1 

 246.1 

 266.7 

 297.9 



348.7 

 40O.O 



429.4 

 483.2 



537-4 

 591-7 

 648.7 



758-1 

 871.8 

 983.1 



151.0 

 176-5 



201.8 



228.5 

 254-4 

 275-7 

 307-9 



360.3 



413-5 



440.2 



495-4 

 55i-o 

 606.6 

 665.1 



777-3 



894.1 



1008.3 



Radii of Gyration about Axis Y-Y, same as given in table of Radii of Gyration of Two Angles. 



