>Date: Thu, 19 Jun 1997 16:57:39 -0700
>To: Pat Barthelow <firstname.lastname@example.org>
>From: Jim Pruitt <email@example.com>
>Subject: Re: [TowerTalk] HYGAIN ROTO-BRAKE
>X-Sponsor: W4AN, KM3T, N5KO & AD1C
>The HyGain 400 Roto Brake instruction/Op manaul says:
>Rotating Torque: 4000 inch pounds
>Braking Torque: 5000 inch pounds
>Max Vertical load: 800 pounds
>Max bending moment at top bearing: 150 ft/lbs lateral thrust
>Mast Size: 1.25 to 3 inch outside diamater
>Weight: 28.5 lbs
>Output shaft speed: 1 rpm
>Size: 7.5" W x 9.5" L x 14" H
>Power requirement: 110-120v, 50-60 hz/ 2 amps
>Fuse: 3AG/2.5 amp/ MDL
>Motor: 1/10 hp perm. split capacitor
>Control System: Fully transistorized self synchronized
>Cable: 5 conductor
>Position accuracy: + or minus 15 degrees
>Resetability to previous bearing: + or minus 5 degrees
>Is that what you wanted?
>Good luck with it.
>Jim Pruitt, WA7DUY
>At 09:48 PM 6/18/97 -0700, you wrote:
>>We at N6IJ, have been donated a HY-Gain ROTO BRAKE antenna Rotator. Very
>>Beefy, and obviously an old model, it has no Docs. Anyone out there have
>>any docs for this monster? Or any specs as to Antennna Sq Ft. capacity,
>>or rotating torque, brake torque, etc?
>>Tnx, DX, 73, de Pat, AA6EG/N6IJ, The contest Station from the Government...
>>FAQ on WWW: http://www.contesting.com/towertalkfaq.html
>>Administrative requests: towertalk-REQUEST@contesting.com
>FAQ on WWW: http://www.contesting.com/towertalkfaq.html
>Administrative requests: towertalk-REQUEST@contesting.com
>Interesting, the Hy-Gain Roto Brake that I have still in a box was just a
brake. It allowed a
large array to be held using a small rotator. The Roto Brake I have gets
mounted above your rotator.
73 Pete N4KW
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