[TowerTalk] homebrew rotator

[mikflathead at aol.com]

 I remember seeing such a set up on a EME website. There were 2 linear actuators one on each side. They both drove separate rack type gears that drove a single gear that was in the middle. This gear was coupled to the mast. I looked pretty cool but was probably not easy to build. Unfortunately I am not sure where to find this. Mike

 

-----Original Message-----
From: Bert Almemo <balmemo at sympatico.ca>
To: 'Danny Pease' <dpease at adams.net>; TowerTalk <TowerTalk at contesting.com>
Sent: Wed, Jun 1, 2016 4:24 pm
Subject: Re: [TowerTalk] homebrew rotator

Hi Danny,

Rack and pinion is mostly for linear motion. I believe a worm gear with
direct drive or a chain drive would be a better choice. Using a worm gear
you have the breaking function built in. Good luck!

 Bert, VE3NR

 

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Danny
Pease
Sent: Wednesday, June 01, 2016 3:23 PM
To: TowerTalk at contesting.com
Subject: [TowerTalk] homebrew rotator

I have been intrigued with putting together my own antenna mast rotation
system and wondered if anyone has any info on using a rack and pinion gear
type system in conjunction with a linear actuator. If the rack and pinion
turns out to be too expensive, my second choice would be a chain drive with
the linear actuator.

Thoughts?

Danny NG9R

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