[TowerTalk] [Bulk] Re: Rotator Choice for Larger Yagi

[Grant Saviers]

It's what we call in the US a "Lovejoy" coupling.  I don't see how it 
can handle axial loads.   The installation instructions specify the 
distance between the end plates of the two shafts.

The specs do show a maximum vibration torque level much less than the 
static value.   "Alternating Torque TKW"

The mast above the coupling in the jpg must be held axially by bearings 
somewhere.

Again, these are engineered for vibration and shaft alignment management 
and are much less effective for shock damping.

some specs at 
http://onlinetools.ktr.com/cgi-bin/webkup.exe?Mod=2&La=en&P=02&B=001&Z=45
installation at 
https://www.ktr.com/fileadmin/ktr/media/Manuals/40210en000000.pdf

Grant KZ1W

snip