Wayne, I did some more digging, and found that they are vibration
absorbers. I found a number of technical references, but didn't really
want to try to understand the equations and the advanced math. The
reference below was the clearest of the bunch.
https://www.google.com/patents/US3372758
Jim Nichols
Tullahoma, TN USA
On 10/10/2016 4:49 PM, Wayne Harridge wrote:
Interesting shot of the hub Jim. What is the purpose of the 2 "balls"
hanging off each blade ?
...Wayne
-----Original Message-----
From: olympus
[mailto:olympus-bounces+wayne.harridge=structuregraphs.com@xxxxxxxxxxxxxxxxx
] On Behalf Of Jim Nichols
Sent: Tuesday, 11 October 2016 5:44 AM
To: LUG@xxxxxxxxxxxxxxx; Olympus Camera Discussion
<olympus@xxxxxxxxxxxxxxxxx>
Subject: [OM] IMG: While Walking at the Airport
It was a nice day, so I took a short walk around the airport. Here are a
couple of observations.
This hangar door was raised as I passed by. I award this owner my "Neat
Hangar" award.
http://www.gallery.leica-users.org/v/OldNick/Neat+Hangar.tif.html
Helicopters provide lifesaving services every day, but few of us ever stop
to think about the complexities of the machines. The two jet engines are
hidden from view, but the complexities of the rotor hub are open to view and
are very impressive.
http://www.gallery.leica-users.org/v/OldNick/Rotor+Hub+Complexities.tif.html
Please view LARGE.
Comments and critiques welcomed and appreciated.
--
Jim Nichols
Tullahoma, TN USA
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