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Subject: [TowerTalk] HYGAIN ROTO-BRAKE
From: (Jim Pruitt)
Date: Thu, 19 Jun 1997 16:57:39 -0700
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:     
>Administrative requests:

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