McMaster has worm stuff
On Jun 1, 2016, at 4:09 PM, Patrick Greenlee <patrick_g@windstream.net> wrote:
Why a linear actuator since rotary motion is what you want? I suppose an
electric rack and pinion set from a junk yard donor car could do the deed but
not my first choice.
Patrick NJ5G
> On 6/1/2016 2:59 PM, Bert Almemo wrote:
> 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@contesting.com] On Behalf Of Danny
> Pease
> Sent: Wednesday, June 01, 2016 3:23 PM
> To: TowerTalk@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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