Thanks Patrick,
However, the solenoid coil is encapsulated. I've rewound stuff before but, this
is tiny (about 3/4" diameter x 1" long). At 32 Ohms DCR, that's REALLY tiny
wire that I don't have. I have since identified four possible solenoids from
Guardian Electric that *may* retrofit. And then, a TT person has offered to
supply the OE solenoid. Thanks Doug!
And in all this, Craig (Rotor Doc) has been most helpful with historical
information about the HDR300.
tnx es vy 73, Bryan WA7PRC
From: Patrick Greenlee
To: Bryan WA7PRC
Sent: Monday, May 22, 2017 11:33 AM
Subject: Re: [TowerTalk] Hy-Gain HDR300 Rotator - Brake Release Solenoid
Maybe a PITA but perhaps you could unwind the coil while counting turns
and rewind after fixing any breaks in the wire or use new wire.
Patrick NJ5G
On 5/21/2017 8:15 PM, Bryan WA7PRC via TowerTalk wrote:
> Yes. Craig (Rotor Doc) says he doesn't have any and Hy-Gain doesn't stock
> much, and the rotator was a modified farm implement unit (NOT manufactured by
> Hy-Gain).
>
> I'm open to other suggestions... manufacturer & pn or even just the
> manufacturer. I have four part numbers for a Guardian solenoid that MAY work.
> Are there any others?
>
> tnx es vy 73,
> Bryan WA7PRC
> From: Dwight N2FMC
> To: Bryan WA7PRC
> Sent: Sunday, May 21, 2017 5:42 PM
> Subject: Re: [TowerTalk] Hy-Gain HDR300 Rotator - Brake Release Solenoid
>
> Have you checked with Norms Rotor repair or Rotor Dr.?
>
> Dwight
>
>> On May 21, 2017, at 20:26, Bryan WA7PRC wrote: >
>> Hi Folks,
>>
>> My olde Hy-Gain HDR300 rotator's brake release solenoid has gone open.
>> It appears the OE replacement is not readily available. I'd defeat the DOA
>> solenoid but, I'd rather not leave my big F12 yagi to pinwheel in the wind.
>> I have identified a /possible/ workaround using an off-the-shelf part from
>> Guardian. My question: does anyone have a recommendation for an OE
>> or exact-replacement part?
>>
>> tnx es vy 73,
>> Bryan WA7PRC
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