[TowerTalk] 45G tops

[Rob Frohne]

Thanks Gentlemen:

You have all convinced me.  To a man, everyone says go with the flat
top.  One of my buddies at work, an ME with a lot of experience, said he
was pretty sure there would be very little difference in the strength of
the two, and your notes below sealed it for me.  I really like the other
advantages of the flat top section.  I'm going with it (which is a
change of plans).  I'm glad I asked.

73 & thanks,

Rob, KL7NA
On Fri, 2008-04-18 at 20:13 -0400, K7LXC at aol.com wrote:
> In a message dated 4/16/2008 7:54:02 A.M. Pacific Daylight Time,  
> towertalk-request at contesting.com writes:
> 
> >  Looking at a picture of the 45AG2, you should be sure your  rotator will 
> fit
> through the Z bracing.  Also, it seems that if that  long mast sleeve isn't
> perfectly aligned, you're guaranteed to have a mast  that is out of alignment
> and cause serious problems for your rotator.   Finally, once installed, your
> antenna and particularly any truss system  above it are going to be out of
> reach, since there's no way to stand on a  45AG2.  
> 
> 
> 
> All excellent points. I might also point out that  the taper tops are not as 
> strong as a flat plate top. I've seen 2 broken  pointy tops - one was 25G and 
> the other was 45G. There is just some smallish  welded metal holding them 
> together.
>  
>     And I saw a pointy top downtube that was welded  out of plumb. Yes, a 
> semi-fatal problem that wasn't caught on the ground.  
> 
> Cheers,
> Steve    K7LXC
> TOWER TECH 
> 
> 
> 
> 
> 
> 
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