[TowerTalk] Rotors

[Richard Williams]

As far as what is a "good" rotor, I think you have to consider what you are 
turning.   I am currently using 4 Tail Twisters, 1 Ham V (or IV or whatever) 
and 1 M2 2800.   Just the other day I clocked winds of 68mph (40 ft up on 
one of the towers); and I have not had a problem with any rotor at winds in 
excess of 70.

The largest antenna I have is a Force 12 620/340N.  It has a boom of 47 ft 
and wind load of 18 sq ft.    Obviously I am not trying to turn it with the 
Ham V, as I believe the M2 2800 is much better suited.   I reserve the Ham V 
to turning a 9 ele 6 mtr beam with a wind load of 4.8 sq ft.

For large antennas, I think the M2 is just fine; but I am sure the rotors 
mentioned by others on the reflector are just as good.   Just make sure you 
are not trying to turn something the rotor is not capable of turning.   By 
the way,  I believe the boom length makes a big difference.   I think Hy 
Gain rates their rotors by both boom length and sq ft.  I'll let someone 
with more of an engineering background address that issue though.

Dick K8ZTT