[aprssig] APRS Irrigation Pipe 55' mast

[Richard Amirault]

There are folks with extendable (nested) poles who use them for a sort of 
aerial photography instead of lifting antennas into the sky.

See:  http://www.bird-shots.com/xaping/pap/pole_animation.htm

Richard Amirault              N1JDU
Boston, MA, USA          Go Fly A Kite
----- Original Message ----- 
From: "Robert Bruninga"
Subject: Re: [aprssig] APRS Irrigation Pipe 55' mast


What does the 35' collapse to?
Looks NEAT!  But from the photo,
I cant tell how many sections..

>>> needhame1 at plateautel.net 05/11/06 1:20 AM >>>
At 11:06 PM 5/10/2006, Ray McKnight wrote:

>William Mckean wrote:
> > Around here, Lowes Home Improvement sales a 30 foot pole that collapses
>down
> > to 10 feet; it would be nice to take something like that and add 
> > pullies.
> >
>There's another solution as well, not to detract from Bob's invention.
>I don't know the proper name for these, but power utility workers use
>collapsable fiberglass poles to work on high voltage lines.

         Back about a hundred years ago, when I was 10 years old and my dad
was an electrician for Humble oil, they were called "hot sticks".  See
http://www.hfgp.com/ProductDetail.asp?ProductNumber=S-235 or the bottom of
http://www.uwkinetics.com/U_LitFinger.htm for pictures.

         7 3
         Earl



Earl Needham, KD5XB, Clovis, New Mexico DM84jk



_______________________________________________
aprssig mailing list
aprssig at lists.tapr.org
https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig


_______________________________________________
aprssig mailing list
aprssig at lists.tapr.org
https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig