Aviation Images > Rotorheads > Sikorsky S-70i Blackhawk |
Sikorsky S-70i - s/n n/a - c/n n/a - Paris LeBourget, France - 22 June 2011 |
Main rotor hub detail. Note lead-lag damper w/ ball joint bearings, spring-loaded droop stop (brass colored), internal spherical elastomeric bearing (around white part with red stripe) and bi-filar vibration absorber (top left) |