Until you found that, Jim, I should have guessed that they assisted in moving
the rotors to one pitch angle or another – against which the normal rotor
mechanism had to act. On a propellor you have weights to move the blades’
pitch to fully feathered (or is it the other way around) when power is removed.
Chris
> On 11 Oct 16, at 00:50, Jim Nichols <jhnichols@xxxxxxxxxxxxx> wrote:
>
> 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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>
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> _________________________________________________________________
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