[Towertalk] tailtwister installation

[WA9ALS - John]

The main thing is that if it's too small or large OD, you're be off-center.
It has to be exactly to spec (in manual) or, if it's smaller, shim it out
with SS shims.

----- Original Message -----
From: "n1nk" <n1nk@cox.net>
To: <towertalk@contesting.com>
Cc: "K1TL" <TLizak@anteon.com>; "Balmforth, Kevin D"
<kevin.d.balmforth@boeing.com>
Sent: Tuesday, March 12, 2002 11:38 AM
Subject: [Towertalk] tailtwister installation


> just got through attaching my 2" OD thick wall aluminum mast to my
> tailtwister.  noticed that the mast did not seat all the way into V of the
> bell housing.  spent a few minutes looking at the situation and decided
that
> the bell housing is made for slightly smaller OD tubing.  took a look at
the
> manual and noticed that they call for 1.5" ID/1.9" OD steel pipe.  also
> noticed that the current advertising calls for 2 1/16" OD tubing.  should
be
> noted that the rotor is vintage 1995 or so.
>
> now the question is:  what to do about this?  hate the idea of buying a
new
> mast and hate the idea of buying a new rotator even more.  one thought is
to
> file the shoulders of the housing away a bit so that the tube can seat
> against the V of the housing.  not sure what either the current situation
or
> a modified housing would do with respect to centering the mast/rotor below
> the thrust bearing.
>
> suggestions are welcome.
>
> Jim
> N1NK
>
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