a a sees taabauestateccd A . oe c = _ a ok 
: | ae ee 
a a a 
ae, a es Pees 
Deflections 0:000075 inch 
Arm. 1 ne 22°5 
Position on Rim. 
Fig. 15—Four Armed Wheel—Straight Arms. Curves shewing deformations of rim 
at various speeds. 4 
No. 1, Bay A, 20 revolutions per seeond; No. 9, Bay C, 18 revolutions per second; — 
No. 2, 18; No. 3,16; No. 4,14; No. 5, No. 10, 16; No.11, 14; No. 12, 12; No. : 
12; No. 6,10; No. 7, 8; No. 8, 6. 13, 10; No. 14, 8; No. 15, 6. 
