T2X = 5/16-18
H4 = 1/4-20
----- Original Message -----
From: "w4lde" <firstname.lastname@example.org>
To: <email@example.com>; "Tower and HF antenna construction topics."
Sent: Saturday, March 20, 2010 1:50 PM
Subject: Re: [TowerTalk] Trouble mounting T-2X
> Looks like the bolts are 1 1/2" long and either a 1/4" or 3/16" and my
> guess is a 3/16" I believe its 20 threads per inch. There is no
> markings on the bolt and a standard 1/2" socket fits a little loose and
> not a snug as I expected, so I wonder if its metric? Probably made in
> 73 de
> Ron W4LDE
> On 3/20/2010 12:39 PM, Dick Green WC1M wrote:
>> What are the dimensions of the bolts -- length, diameter and threads per
>> inch? Also what is the depth of the holes? I can measure the bolts and
>> on a T2X I have on the ground and let you know how they compare.
>> 73, Dick WC1M
>>> -----Original Message-----
>>> From: w4lde [mailto:firstname.lastname@example.org]
>>> Sent: Saturday, March 20, 2010 11:02 AM
>>> To: TowerTalk
>>> Subject: [TowerTalk] Trouble mounting T-2X
>>> Started to mount a new T-2X purchased on 3/3/10 yesterday. Made up all
>>> of the plugs and checked the rotor out on the ground at the tower.
>>> Rotor worked properly on the ground
>>> Dropped the tower and tilted it over so we could install the rotor body
>>> and mast. We checked the bolts and the tower mounting plate for the
>>> correct mounting and they aligned OK. The rotor plate is heavy duty 3/8
>>> to 1/2" thick and welded in place.
>>> I had only insert the mounting bolts in the body a few turns before
>>> taking it outside and didn't notice anything unusual. Used some anti
>>> seize lube' on the bolts.
>>> My helper (brother) did notice that the rotor body bolt holes seemed a
>>> little out of the pattern and very close to one edge, however, when
>>> aligning the body to the rotor plate they look almost dead on. So we
>>> proceeded, then the trouble started.
>>> The mounting bolts turned in hand tight about a 1/4 of the way in, not
>>> free at all and got to the point (1/4 way) that we decided to use my
>>> small ratchet set.
>>> Not even 1/2 way in the bolts started to seize and we were very
>>> reluctant to proceed. I checked the depth of the holes in the body and
>>> they are free in equal to the length of the bolts.
>>> We backed out the bolts and lowered the rotor to the ground and again
>>> tired to insert and screw in the bolts while free of any mounting plate
>>> with the same results. It almost seems like the threads are not right
>>> for the mounting bolts or the bolts are two long but we didn't want to
>>> over tighten. The bolts were in a plastic package so I assume they were
>>> the correct ones supplied by the factory.
>>> Looks like we did slightly bend one bolt head and not sure when that
>>> occurred but I can always get a new bolt locally.
>>> Any ideas? Your input and help will be appreciated.
>>> 73 de
>>> Ron W4LDE
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