| Aviation Images > Rotorheads > Bell AH-1S |
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AH-1S - s/n 70-15985 - c/n 20929 - US Army - Pima Air & Space Museum - Tucson, AZ - 19 Nov 2004 |
Two-blade main rotor with teetering hinge. Flex-beam yoke is bolted to trunnion with elastomeric bearing caps. |