Boeing has plan to test its new Chinook rotor blades this October. If successful, the heavy-lift helicopter will gain an extra 2,000lb for its maximum take-off weight.
By Mark Marcus (https://www.dvidshub.net/image/591778) [Public domain], via Wikimedia Commons
The honeycomb composite rotor blades could form part of the CH-47 Block II upgrades the Army is pursuing.