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Old August 13th 07, 03:10 AM posted to rec.radio.amateur.antenna
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Default Will these rotator control boxes work? (was Can you help identify this rotator?)


Anybody know if these control boxes will work with the Tailtwister?

(Hope the URLs don't get all screwed up by wrapping...

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=009

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=011

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=003

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=012

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Old August 13th 07, 04:32 AM posted to rec.radio.amateur.antenna
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Default Will these rotator control boxes work? (was Can you help identify this rotator?)

Just go to Norm's Rotor Service FAQ
http://www.rotorservice.com/faqs.htm

14. Can I use a Ham-2 rotor control box with my T2X rotor? Are the Ham-2,
Ham-3, Ham-4 and T2X control boxes interchangeable?
Yes, for the most part, all of the 8-wire rotors except for the TR-2 series
are interchangeable. You can use a TR-44 series 3; Ham-M series 3, 4, or 5;
CD-44/Ham-2; CD-44/Ham-3; Ham-4; or T2X control unit with any of the listed
rotors or vice versa. However, the Ham-M and TR-44 series 1 and 2 rotors
were wired differently and are not interchangeable with anything else. So,
trying to use a series 1 or 2 control on a newer rotor will destroy the
rotor pot instantly.

To be sure that you have one of the interchangeable controls, verify that
the motor start capacitor is across terminals 4 and 8. To verify that the
rotor is one of the interchangeable models, look for the 500-ohm pot
resistance across terminals 3 and 7. If your rotor and control unit pass
these inspections, they are interchangeable with others which also pass.



17. What gauge of control cable is recommended for various distances between
the rotor and the control box?
On the TR-44, CD-44, and CD-45 rotors, the standard control cable includes
two #18 conductors and six #22 conductors, and it's fine for runs up to
about 300 feet. On the Ham-series rotors and the Tailtwisters, this cable
is good up to about 200 feet. If your run exceeds these distances, move up
to a heavy-duty cable, which includes two #16 and six #18 conductors which
should be good for runs up to 300 feet. For more detailed information on
control cables (and coax, too) contact Joel at The RF Connection.



.. What is the color code for the cable connecting my rotor and control box?
The colors vary from manufacturer to manufacturer. But it really doesn't
make any difference, as long as you make sure that you're connecting
terminal 1 on the rotor to terminal 1 on the control box, terminal 2 to
terminal 2, and so on. Also, on the HAM series and T2X rotors, you need to
be aware that the heavy wires must go to terminals 1 and 2. Norm uses this
color code

1. black #18 gauge 2. white #18 gauge 3. green #22 gauge
4. blue #22 gauge

5. orange #22 gauge 6. yellow #22 gauge 7. brown #22 gauge
8. red #22 gauge

3. What is the difference in the Ham series of rotors?

The Ham-M rotor was released in 1957, and there were 5 series with the last
rotor being produced in 1973. The Ham-M rotor would have the series number,
1 - 5, followed by 3 digits which indicated the week and year of
manufacture. For example, a rotor with the series number 5 322 would be a
Ham-M, series 5, manufactured in the twenty-second week (the '22' in '322')
of the year 1973 (the '3' in '322').

A Ham-M has a single-levered control box with a meter. In 1973 the mold for
making the Ham-M control unit shell was destroyed in a fire. So rather than
spend the money to replace the mold, the Ham-2 was born. The rotor was the
same as the Ham-M, but the control unit was replaced with a three-button
unit with a continuous meter reading.

In 1977 the Ham-3 rotor was released. The Ham-3 supported a new motor with
an internal brake, as well as a brass motor gear. The brake wedge was
redesigned, as was the brake housing, which gave the new unit a capacity for
more wind surface area. The control unit for the Ham-3 supported a new
PC-board-mounted meter.

In 1978 the Ham-4 or Ham-IV rotor was released. This rotor had a new steel
ring gear and a reinforced upper mast support. The only changes to the
control box were the addition of a new face plate, plastic top and bottom
covers, and a new meter with reversible meter scales. Also in 1978 the
Tailtwister rotor, commonly referred to as the "T2X," was introduced. The
T2X is a Ham-4 with an even heavier upper mast support, a heavier brake
wedge and brake housing, and 40 additional ball bearings. And the
Tailtwister control unit has three LED's that the Ham-4 doesn't have.


"Rick (W-A-one-R-K-T)" wrote in message
news

Anybody know if these control boxes will work with the Tailtwister?

(Hope the URLs don't get all screwed up by wrapping...

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=009

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=011

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=003

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA:IT&ih=012



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Old August 13th 07, 12:57 PM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Apr 2007
Posts: 150
Default Will these rotator control boxes work? (was Can you help identify this rotator?)

On Sun, 12 Aug 2007 21:32:24 -0500, gb wrote:

Just go to Norm's Rotor Service FAQ
http://www.rotorservice.com/faqs.htm


Thanks, GB ... geez, there's a website for everything... :-)

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