What Is Going On Here? Test — Civil Aviation Forum

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What Is Going On Here? Test

TechRep From , joined Dec 1969, posts, RR:
Posted (10 years 11 months 2 weeks 6 days 9 hours ago) and read 862 times:

The engineer above is doing certification testing on the Dornier 728. Can you tell me what he is testing?

TechRep

10 replies: All unread, jump to last

TechRep From , joined Dec 1969, posts, RR:
Reply 1, posted (10 years 11 months 2 weeks 6 days 9 hours ago) and read 852 times:

Here is the Ex-Large Photo link. If your brower supports it, the photo can be blown up very large.

http://photos.imageevent.com/techrep/728recentphotos/huge/what%20is%20going%20on.jpg

TechRep

Flight Level From , joined Dec 1969, posts, RR:
Reply 2, posted (10 years 11 months 2 weeks 6 days 8 hours ago) and read 829 times:

Maybe a bar connecting the front part to the thing that holds onto the wheel?

TechRep From , joined Dec 1969, posts, RR:
Reply 3, posted (10 years 11 months 2 weeks 6 days 8 hours ago) and read 810 times:

This engineer is doing a required test for type certification but what is he testing or testing for? I know the answer lets see if you do.

TechRep

Theiler From United States of America, joined Nov 2001, 633 posts, RR: 1
Reply 4, posted (10 years 11 months 2 weeks 6 days 7 hours ago) and read 797 times:

All I can think of would be some sort of shock/strut compression test for the gear, or maybe a test of the retraction motor/mechanism.

Just a W.A.G on my part, I really don't have a clue!

Fly_yhm From Canada, joined Dec 2000, 1661 posts, RR: 11
Reply 5, posted (10 years 11 months 2 weeks 6 days 2 hours ago) and read 730 times:

My guess is that he is testing something with the nose wheel to see if it give enough leway on touch down.

Where will you spend eternity? He,s more real then you think!!!!!

Jj From Algeria, joined Jun 2001, 1227 posts, RR: 2
Reply 6, posted (10 years 11 months 2 weeks 6 days 2 hours ago) and read 701 times:

He's testing the landing gear doors?

Wietse From Netherlands, joined Oct 2001, 3809 posts, RR: 57
Reply 7, posted (10 years 11 months 2 weeks 6 days 2 hours ago) and read 703 times:

hes probably not testing big structural design stuff, like: will the wheel fit? That would have been done during developing of the a/c. My guess is he's testing the Communication interface for the ground crew.

Wietse

Wietse de Graaf

TechRep From , joined Dec 1969, posts, RR:
Reply 8, posted (10 years 11 months 2 weeks 6 days 2 hours ago) and read 693 times:

All incorrect so far.

Hint: it happens on taxiing and at high speeds.

TechRep

OPNLguy From , joined Dec 1969, posts, RR:
Reply 9, posted (10 years 11 months 2 weeks 6 days 1 hour ago) and read 675 times:

How about a shimmy dampener?

TechRep From , joined Dec 1969, posts, RR:
Reply 10, posted (10 years 11 months 2 weeks 6 days 1 hour ago) and read 656 times:

This is in fact vibration testing. The nose strut will be tested through all degrees of extension for vibration while hydraulics are applied by use of the test stand you see in the background. The unit that is attached to the nose wheel assy hub will simulate this vibration by use of a DC motor exerting simulated loads. The wires are part of the vibration analysis equipment designed to measure the IPS or (inches per second). IPS are also also for the standard of measure on engine vibration equipment.

TechRep

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