Official Answer
Answer
Santrifij leve-off rive lè fòs radial deyò $F_c = m \omega^2 r$ ki te pwodwi pa wotasyon depase tansyon sezon prentan anndan bag la. Bag la elaji, pèdi kontak ak anba a Groove, ak Lè sa a, se fasil ekspilse pa nenpòt pouse axial. Sa a se yon echèk komen nan gwo-RPM motè elektrik. The failure is 'clean'—the ring is often found intact but outside the groove. The solution is either a heavier cross-section ring to increase the spring force or a 'Self-Locking' ring design which uses a tab to physically limit expansion.
