Close

Comments Format:






Change Mode
Close

Subscribe to Discussion:

CR4 allows you to "subscribe" to a discussion
so that you can be notified of new comments to
the discussion via email.

Comments: Nested
Steve Melito
Guru
United States - Member - New Member Technical Fields - Technical Writing - New Member Popular Science - Weaponology - Organizer Hobbies - Target Shooting - New Member Engineering Fields - Nuclear Engineering - New Member

Join Date: Mar 2005
Posts: 2969
Good Answers: 33

The Sikorsky UH-60 Black Hawk

12/02/2009 4:45 PM

The Black Hawk has some intriguing mechanical features. Its main landing gear system can absorb a crash landing of up to 38 ft/s. Its active vibration control system mechanically generates vibrations that are out of phase with the main rotor to decrease the noise felt at the hub of the blades.

Read the Entry and Join the Discussion
Register to Reply
Pathfinder Tags: helicopters rotorcraft
This discussion was "closed" on 12/02/2009 5:13 PM. No comments are allowed.
Message from admins:
Please comment in the blog entry, not the announcement.

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (51 right now)
Show Members
Advertisement