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[TowerTalk] Drive rod on old HyGain HDR-300

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Subject: [TowerTalk] Drive rod on old HyGain HDR-300
From: (Charles H. Harpole)
Date: Tue, 7 Apr 1998 01:22:59 -0400 (EDT)
Prior to the use of stainless on the drive shaft coming out of the HDR-300
rotor, the old model would rust the mast attachment flanges to the drive
shaft.  Removal is a bear.
We used heat and more heat, coupled with a gear puller for pressure.
Flange moved with a loud pop with each heating, then gear puller was
tightened and more heat.
Finally gave way.
Would hate to see someone do that up on a tower.
And, the rotor will not come out of the mounting plate with the flange
fastened to the drive shaft.  Mucho woe at 190 feet up!
I was on ground in workshop! 
PS-- anyone want to sell me a HDR-300 rotor only, have control head?
de K4VUD

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