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CDE CDE:


CDE / Ham (Ham III, Ham IV, Ham V, etc) were popular with hams for turning their larger HF beams. They were
more inline than Archer, could support more weight, had more torque, and some models had a brake. They also
used a larger control box that worked across the entire line.

It's common to find these still in use today. If you run into one that's not working, it's often easy to fix.

- if it won't turn, it's probably a bad start capacitor
- if it turns but the direction indicator is stuck, it probably needs the position rheostat in the rotor replaced
- if it's the model with a brake but it can be turned when stopped (or has spots that it will turn) then it
  probably needs the bottom bell housing replaced

Any used rotor you run into should probably be opened up to give the bearings some fresh grease and to renew
the weather-seal between the housings. (use RTV sealant)

Now that CDE/HyGain/MFJ are gone, you can find parts for these rotors at Norm's Rotor Service, link below.



2025.08.17 second HAM-IV rebuild

2025.08.31 open rotors

8-pin connectors

control box


General Cable rotor cables.pdf

Ham rotors

history of the bell rotator

how I got mine

manuals

Norm's Rotor Service


  Hy-Gain Rotator Connector alt  
  Hy-Gain Rotator Connector  
  Hy-Gain Rotator Standard Color Code  
  Hy-Gain Rotator Connector alt     Hy-Gain Rotator Connector     Hy-Gain Rotator Standard Color Code  


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last updated 10/13/2025 at 15:38:09 by make_www_index.command version 2025.06.28.A