[Towertalk] tailtwister installation

Joe Reisert jreisert@jlc.net
Tue, 12 Mar 2002 13:28:04 -0500


Jim,

Something must be wrong. I've been using the Ham M series since later 
1950's and all the later models. They all fit 2" (and perhaps slightly 
larger) masts using 2.375" c/c U bolts. The Tailtwisters are even larger.

73,

Joe, W1JR


At 11:38 AM 3/12/2002 -0500, n1nk wrote:
>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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