Anthony,
Maybe you should try K7NV's prop pitch http://www.k7nv.com/.
I have no experience with them but I checked out the build at Visalia this year
and it great. Good luck in your quest.
Semper Fi,
Tommy - K6YE
DX IS and CW RULES
----- Original Message -----
From: Anthony (N2KI) <n2ki.ham@gmail.com>
To: towertalk@contesting.com
Sent: Sat, 17 Nov 2012 11:17:45 -0500 (EST)
Subject: [TowerTalk] Rotor Selection-Need Help
Hello Folks,
I need some suggestions on a heavy duty rotor. First, my conundrum.
I have a Universal HD21-70 tower with an Optibeam 12-4. The rotors have
been all Prosistel brand. Three of them in 2 years! All replaced because of
failure due to design flaws or bad parts. The first two were 2051 series
and the one that I just put up in August 2012 is a 61d series. That just
failed two days ago. It just stopped turning. First thoughts were that
the shear pin is broken. However upon testing with a 12v supply, there are
no amps being drawn leading me to believe the motor is dead. Exactly 3
months later its dead! What's the deal with these rotors?
Anyway, needless to say I now have to replace the rotor again. What say
the masses for a product that is of quality and durability which can turn
the OB12-4? Its time to change manufacturers. There must be something
going on with the quality of workmanship with Prosistel( sorry Gianni I
cant make this up).
Thank you for any help and/ or suggestions.
Anthony (N2KI)
Sent from mobile.
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