Clarification,
The power for the Brake solenoid and the motor are in parallel but both
receive power from the brake switch on the control head. If the brake
switch is not activated there is no power available to motor for CW or
CCW rotation.
thanks,
dave
wa3gin
Wendell Wyly W5FL wrote:
>Are you sure? My rotator does not have any relay and the brake and motor
>are certainly NOT in series, although it may look like that since there is a
>common neutral wire and it is convenient to draw them that way. Yes,
>doubling up on the wire certainly has a POSITIVE benefit if the leads to the
>rotator are over 100 feet.
>
>My rotator is old, but the Brake Release simply powers the solenoid to
>release the brake (no relay involved). The Left and Right reverse phase and
>make the motor turn opposite directions. There is a common wire for the
>brake and motor, but they are not in series in my rotator.
>
>The pair of leads for the capacitor simply go back to the control box
>strictly go to the motor capacitor. You do not need to take anything loose
>to remote the capacitor unless you are going to remove it and use it on the
>tower. Buying a new one with lug terminals is quite inexpensive and then
>you do not need to even open the control box, although that is very easy to
>do.
>-----Original Message-----
>From: towertalk-admin@contesting.com
>[mailto:towertalk-admin@contesting.com]On Behalf Of David Jordan
>Sent: Wednesday, August 14, 2002 2:50 PM
>To: Mike Gilmer, N2MG
>Cc: towertalk@contesting.com
>Subject: Re: [Towertalk] T2X Start cap at tower base?
>
>
>Hi Mike,
>
>That quote is a funny one too....because in the Tailtwister the brake relay
>and the motor are in series. So,
>doubling up on the wires benefits both the relay function and the rotor if
>there is any benefit to be had.
>
>
>
>
>
>
#################################################################
#################################################################
#################################################################
#####
#####
#####
#################################################################
#################################################################
#################################################################
|