[TowerTalk] HamIV Rotor sluggish

Gene Fuller w2lu at rochester.rr.com
Sun Jan 13 00:15:04 EST 2013


Putting the starting cap out at the tower would also save a couple of wires 
in the control cable that could be put to other uses.      Gene / W2LU
----- Original Message ----- 
From: "Missouri Guy" <n0tt1 at juno.com>
To: <dougn4ij at gmail.com>; <TowerTalk at contesting.com>
Sent: Saturday, January 12, 2013 11:52 PM
Subject: Re: [TowerTalk] HamIV Rotor sluggish


> The capacitor can be mounted on or close to the
> tower.  That will save some voltage drop.  Also check
> the capacitor, especially if it's very old.  Look at the
> schematic for connections.
>
> On the brake problem, I wound some more turns on the
> control box transformer to boost the voltage to about 30v,
> IIRC.  Worked well for my 250ft run.
>
> I've often thought about making a "repeater" from some
> relays that would be located in a box at the base of the
> tower.  The relays would handle the heavy currents.
> The direction indicator circuit would run directly to the shack.
> The rotator would be powered right at the tower with the
> usual 24vac supply.  The relays would be controlled by the rotator
> control box in the shack via the existing rotator cable.  110vac
> for the supply is available at the tower.  Just my thoughts
> on how to handle those long rotator lines.
>
> Charlie, N0TT
>
> On Sat, 12 Jan 2013 18:20:59 -0600 Doug Snowden <dougn4ij at gmail.com>
> writes:
>> The rotor is on a tower and the run is about 275 ft from the shack.
>> What is the best way to get more response from it? At times I have
>> to
>> rock the antenaa back and forth to get it to even move. I am sure
>> it
>> must be voltage loss.  Boost the voltage from the controller?
>>
>> Doug, N4IJ
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