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PARIS, June 18, 2019 /PRNewswire/ -- Collins Aerospace Systems, a unit of United Technologies Corp. (NYSE: UTX), has been awarded a contract by the NATO Support and Procurement Agency (NSPA) to support NP2000 propeller upgrades for 24 Lockheed Martin C-130H aircraft for the U.S. Air National Guard (ANG). This is in addition to the 12 NP2000 propeller upgrades Collins Aerospace has already completed, bringing the total number of C-130H ANG upgrades the company has been awarded to 36.
Collins Aerospace was previously awarded a contract to support NP2000 propeller upgrades for 24 Lockheed Martin C/KC-130T aircraft for the U.S. Navy's Naval Air Systems Command (NAVAIR). Today, the company also announced a new $25 million long-term repair contract with Naval Supply Systems Command to support maintenance of the NP2000's electronic propeller control system (EPCS).
The total value of the ANG and NAVAIR awards Collins Aerospace has received to date exceeds $300 million.
I'm really interested in the physics behind how this works. My guess is that by having 8 blades rather than 4, and a profile change of the blade itself, it either causes less severe shock waves