[TowerTalk] Yaesu Rotator Questions

[Jon Zaimes]

Stan,

Older rotor plates had four round holes to accommodate a Ham 4 rotor. Newer plates (maybe around 1970s? and later) have four oval holes that will accommodate either Ham 4/T2X or the slightly different spacing of Yaesu rotors.

G-2800 fits fine inside Rohn 25. It is slightly smaller diameter than a Ham 4.

73/Jon

Jon P. Zaimes, AA1K
Tower climber for hire
http://www.aa1k.us/
Cell: 302-632-2353

Reviews of AA1K tower work on eham website: http://www.eham.net/reviews/detail/12922

Hug your favorite tower every day, and always stay connected to it.

-----Original Message-----
From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of Stan Stockton
Sent: Tuesday, June 1, 2021 9:15 PM
To: TowerTalk at contesting.com
Subject: [TowerTalk] Yaesu Rotator Questions

Hoping someone with experience with Yaesu rotators can help me.

1.  DX Engineering website and other websites say the G-1000DXA has one hundred 7/16” diameter ball bearings.  The Yaesu G-1000DXA manual says ninety eight 3/8” diameter ball bearings.  Which is the correct diameter?

2.  I think the ball bearings in these rotators may be chrome as opposed to stainless steel.  I’m planning to put up a G-1000 DXA on Cayman Brac.  Because of corrosion should I buy whatever size they really are in 440 stainless steel and replace them? Anything else I should do if I muster the courage to open it up?

3.  Am I going to have to drill the Rohn 25G rotator plate or are they already drilled to work with the bolts to mount the Yaesu G-1000DXA?

4.  Looked at the shock absorber plate after a post on here the other day.  Would four of something like this in between a couple of plates do the same thing? Any need to have this or no?  I’ve never owned a Yaesu rotator before.

https://www.ebay.com/itm/333896390330?epid=1567122718&hash=item4dbdc696ba:g:eEcAAOSwUJtgMXv4:sc:ShippingMethodStandard!72761!US!-1

4.  In case I ever decide to buy one, curious to know whether a G-2800 will fit in 25G top section with flat plate top?

Thanks... Stan, ZF9CW
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