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Re: [TowerTalk] Rotor Querstion

Subject: Re: [TowerTalk] Rotor Querstion
From: Robert Harmon <>
Date: Thu, 12 Dec 2019 09:08:11 -0800
List-post: <>

How long has the Tailtwister been in use ?  It could be something internal 
causing the intermittent turning also.
For a permanent fix to the terminal strip problem get one of these connector 
kits below.  The old terminal strip is removed 
and replaced with one of these connector assemblies.  Then you can unplug the 
cable easily.  Nice gold plated contacts
that won't rust.  If the terminal strip is rusty,  you might be abe to 
temporarily clean it but it will not be long term solution.
There are replacement original terminal strips available for the Tailtwister 
but it makes sense to do an upgrade.

Now having said all that, if you are going to do this upgrade, it is best to 
remove the rotator and work on it in your shop.
Then you might as well do an overhaul.  They are easy to overhaul, replace the 
bearing balls, regrease, etc.
all the parts are pretty cheap on MFJ's site.  There are some good videos on 
You Tube for doing the overhaul.  


> On Dec 12, 2019, at 6:59 AM, Dave Leisman <> wrote:
> I have a HyGain Tailtwister rotor that works just fine, but the thing is 
> sometimes intermittent 
> because the contacts on the terminal strip have rusted, making a good 
> connection difficult.  Anyone 
> have any ideas I might do to clean those terminals without actually removing 
> the entire strip of 8 
> terminals? Getting inside the rotor from this angle to swap this terminal 
> strip for a new strip will 
> not be easy, and I really don't want to break the case open to make the 
> change from the inside. 
> Hence my dilemma.
> I have thought about trying to clean the existing strip by sanding, but I 
> can't get into where the 
> actual contact is made.  I had someone recommend using Naval Jelly to clean 
> the rust away, but that 
> seemed kind of harsh.  
> I am open to thoughts and any ideas the group might have.
> Thanks in advance.
> Dave, W8QW
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