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[TowerTalk] Does a M2 Orion 2800 fit in a LM354HD top section?

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Subject: [TowerTalk] Does a M2 Orion 2800 fit in a LM354HD top section?
From: John Elsik <>
Date: Wed, 19 Mar 2008 12:37:38 -0600
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I have a new LM354HDSP crankup tower.  I got the tower up, back in late 
November.  That is where the project stopped for the winter.  All it is holding 
up is an inv vee for 80 mtrs right now.
The antennas are a 4el SteppIR and a Cushcraft XM240 on a chrome moly mast. 
Nothing is installed yet.
I purchased a Yeasu 2800DXA rotor to turn it, but now having second thoughts if 
the rotor will handle it long term. The "K" factor is 85% of the published 
rotor rating.
I called Yeasu and they told me to take the weight off the rotor.  They 
suggested adding a second plate and bearing between the rotor and tower top 
bearing, and take the weight off.  Sure did not come away with a warm and fuzzy 
feeling that the rotor would handle the load.
So I am taking pause and sort of rotor shopping.  I realize I would take a hit 
selling the Yeasu.  I would rather be safe than sorry later.
I was looking at the M2 Orion 2800 (rotor only) and a Green Heron controller.
Will the Orion fit in a LM354HD top section?  I called Tashjian and they could 
not answer that.

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