Yes I use one, but built by Morgan Mfg., Model M-348, which I conveniently
carry and it's a lot less expensive:
http://www.kf7p.com/KF7P/MorganMfg..html
Chris
KF7P
On Sep 4, 2014, at 10:21 AM, EDWARDS, EDDIE J wrote:
> Regarding the issue of lightning damage to control boxes, I'm wondering if
> you guys are using surge protectors on your rotor lines or not?
>
> Polyphaser makes one and probably some others do as well.
> http://www.dxengineering.com/parts/ppr-is-rct
>
>
> 73, de ed -K0iL
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> towertalk-request@contesting.com
> Sent: Thursday, September 04, 2014 11:00 AM
> To: towertalk@contesting.com
> Subject: TowerTalk Digest, Vol 141, Issue 12
>
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> Today's Topics:
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> 1. Re: G-2800DXA lightning damage (Edward Sawyer)
> 2. Re: [Bulk] Re: G-2800DXA lightning damage (Grant Saviers)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 3 Sep 2014 18:08:16 -0400
> From: "Edward Sawyer" <SawyerEd@Earthlink.net>
> To: <towertalk@contesting.com>
> Subject: Re: [TowerTalk] G-2800DXA lightning damage
> Message-ID: <000301cfc7c3$902b2310$b0816930$@Earthlink.net>
> Content-Type: text/plain; charset="us-ascii"
>
> To my knowledge, Yaesu does not repair the rotor or the control box. They
> will sell you the control box but its not cheap AT ALL! They will also sell
> the stand alone rotor without the control box.
>
>
>
> To properly debug the problem, it is always handy to have an extra Yaesu
> control box so that it can be swapped out to see if the problem is the box
> or the cable/rotor. I have actually found the rotor itself to be darned
> reliable. But the boxes are incredibly fragile to all kinds of stuff. I
> have a grave yard of a number of boxes and have a winter project in mind to
> try and make one good or maybe two good boxes out of them so I have spares.
> Its not a matter of IF you need to replace a Yaesu rotor control box - it's
> a matter of when.
>
>
>
> Ed N1UR
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 03 Sep 2014 20:12:47 -0700
> From: Grant Saviers <grants2@pacbell.net>
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] [Bulk] Re: G-2800DXA lightning damage
> Message-ID: <5407D8AF.5000104@pacbell.net>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Having been into the 2800 control box for mechanical repairs, I
> understand why Yaesu doesn't repair them. It's a dog's breakfast of
> interconnections among 3 pcbs. The schematics are just as bad,
> spaghetti signal flows. The servo control to drive the pointer drive
> motor is complex. The gear train behind the pointer is not for the
> fumble fingered and the o-ring used to drive the pointer is just this
> side of comical. The whole thing has to come apart for replacement when
> they stretch or dry rot. My advice is to buy a Green Heron if the
> control box is bad.
>
> The rotator mechanics OTOH seem pretty well made and designed (except
> for getting the 500 ohm pot precisely aligned).
>
> Grant KZ1W
>
>
> On 9/3/2014 3:08 PM, Edward Sawyer wrote:
>> To my knowledge, Yaesu does not repair the rotor or the control box. They
>> will sell you the control box but its not cheap AT ALL! They will also sell
>> the stand alone rotor without the control box.
>>
>>
>>
>> To properly debug the problem, it is always handy to have an extra Yaesu
>> control box so that it can be swapped out to see if the problem is the box
>> or the cable/rotor. I have actually found the rotor itself to be darned
>> reliable. But the boxes are incredibly fragile to all kinds of stuff. I
>> have a grave yard of a number of boxes and have a winter project in mind to
>> try and make one good or maybe two good boxes out of them so I have spares.
>> Its not a matter of IF you need to replace a Yaesu rotor control box - it's
>> a matter of when.
>>
>>
>>
>> Ed N1UR
>>
>> _______________________________________________
>>
>>
>>
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>> TowerTalk@contesting.com
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>
>
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>
> End of TowerTalk Digest, Vol 141, Issue 12
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