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[TowerTalk] Mounting in the tower

To: <towertalk@contesting.com>
Subject: [TowerTalk] Mounting in the tower
From: mcduffie@scottsbluff.net (Gary McDuffie, Sr.)
Date: Sun, 09 May 1999 18:35:41 -0600
On Sun, 09 May 1999 14:12:05 -0700, Kurt Andress wrote:

> Freestanding towers are different from guyed towers.
> 
> I think you'll find that the crankup tower is limited by the bending stress 
> at the
> bottom of
> each section.
> 
> It is likely that the stress at the bottom of the top section will always 
> exceed the
> 
> stress caused by the mast connection to the tower.
> In that case, moving the rotor down the tower will result in no increase in 
> tower
> capability.

Thanks, Kurt.  However, I wasn't looking for increase in tower
capability.  I was looking to unload some of the side stress of the
short coupling to the rotor.  It would be nice to be able to transfer
bending moment to a couple of thrust bearings, instead of one thrust
bearing and the rotor housing.

Gary
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