sestat c Ep = BEE 
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eerie Siacirreceateie cceaagecceeeeac tiemttatt Hiei 
= Sssceene Ae HHH Lad oe i+ "4 i 5 a KH EU seae 
BEE sae ae ee secs 
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ae 2 = PEE SaGeeaeueneen HH cocesnn 
ee — Suues peuencensrEecs sesdiaieeteseatttettttads 
0 2 4 6 8 10 12 14 16 18 20 
Revolutions per second. 
Fig. 14. Four Armed Wheel— Straight Arms. Curves shewing Radial Deform- 
mations at various positions on rim at rising speeds. Bays A and C. 
No. 1. Arm AD. No. 6. Arm BC. 
No. 2. Bay A, 11°25° from arm AD; No. 7. Bay C, 11°25° from arm BC; 
No. 3,22'5°; No. 4, 33°75°; No. 5, 46°. No. 8,22°5°; No.9, 38°75°; No. 10,45° 
