How a CFM56 Turbine Jet Engine works

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F-15 rewire flight

www.af.mil courtesy

by Wayne Crenshaw
78th Air Base Wing Public Affairs

1/19/2010 – ROBINS AIR FORCE BASE, Ga. – A new rewire flight at Robins is playing a key role in keeping the aging F-15 Eagle flying for years to come.

The flight will perform a complete rewire on 122 F-15s during the next five years. The rewiring will be done on C and D models, and when complete, the flight will spend at least another five years working on E models.

Keith Gilstrap, the rewire flight chief, said the reason for the rewire is that the insulation on the existing wire is getting brittle and causing shorts. Although it has not caused any crashes, it has led to a significant amount of field repair time and false troubleshooting, as technicians try to figure out why aircraft systems fail intermittently, he said.

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YC-14 – Coanda effect prototype, 33 years ago!

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NASA finds out more water than expected on the moon

Moon in blue sky
Photo © Dominique Belasky

The argument that the moon is a dry, desolate place no longer holds water.

Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists and space enthusiasts alike.

NASA today opened a new chapter in our understanding of the moon. Preliminary data from the Lunar CRater Observation and Sensing Satellite, or LCROSS, indicates that the mission successfully uncovered water during the Oct. 9, 2009 impacts into the permanently shadowed region of Cabeus cater near the moon’s south pole.

The impact created by the LCROSS Centaur upper stage rocket created a two-part plume of material from the bottom of the crater. The first part was a high angle plume of vapor and fine dust and the second a lower angle ejecta curtain of heavier material. This material has not seen sunlight in billions of years.

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How it’s made – Airplane

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