[TowerTalk] WTD: Create Rotator Repair Parts

[Ian White, G3SEK]

David J. Windisch wrote:
>
>About rotators:
>Find the time to visit a friendly gear/belt distributor for getting a sense
>of the tremendous number of (expensive) gearboxes and gearmotors available.
>If you've ever done-from-scratch-or-admired-a-prop-pitch installation, and
>want a Clydesdale-class rotator

Try an auto starter ring and drive gear: large diameter, hardened steel,
and free from a scrapyard. 

Still, the original question was about turning a two-foot dish with a
1-2deg beamwidth. The issues there are not turning and braking torque,
but readout accuracy and freedom from backlash.

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.demon.co.uk/g3sek

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