am I on the right track? re: actuators
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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=55904
Printed Date: November 04, 2025 at 12:55 AM
Topic: am I on the right track? re: actuators
Posted By: crazymodgsr
Subject: am I on the right track? re: actuators
Date Posted: May 17, 2005 at 1:41 PM
This is my first time using linear actuators. I am going to purchase one with about 3" of travel. Anyway, I am putting dual 4' CB and scanner antennas on the roof of my Cherokee and I wanted to create an antenna bar that would be motorized and controlled via a swith inside, so I can lay the antennas down flat against the roof when clearance is needed. Any comments or suggestions on this setup below? My main concern is whether to use 1 single linear actuator in the middle of the bar, or 1 at each end of the bar?
Replies:
Posted By: crazymodgsr
Date Posted: May 17, 2005 at 1:43 PM
here's the pics:  
Posted By: geepherder
Date Posted: May 17, 2005 at 8:27 PM
I'd say just use one.
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My ex once told me I have a perfect face for radio.
Posted By: crazymodgsr
Date Posted: May 18, 2005 at 12:04 AM
keep in mind, the bar is 4 feet across, and slightly flexible, so I didn't know if one actuator on each end would stiffen it up a little and keep it from warping or flexing in the middle
Posted By: geepherder
Date Posted: May 18, 2005 at 7:33 AM
Why not machine a bar out of aluminum to mount them? I don't think I'd want an antenna mount to flex.
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My ex once told me I have a perfect face for radio.
Posted By: crazymodgsr
Date Posted: May 18, 2005 at 12:57 PM
It's made out of glavanized steel. Thing is I really don't want this to turn into a real expensive project. Looking at about $75 total right now. I think if I mount two of these pieces together and bolt them every foot then the flexing should be much less
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