I use one of the hand held crossbows (cost about $20 on Ebay) with a longer
arrow 16 inches (also on ebay) and replace the sharp tip with a blunt rubber
tip also from Ebay. Add a fishing swivel where the tip screws into the
arrow. Mount a fishing reel underneath. Easily cleared 70 foot light poles
last Field Day. It's small, light weight and inexpensive - maybe $40 total.
Just remember to release the line on the reel prior to firing. The crossbow
does have a safety mechanism.
Gary J
N5BAA
-----Original Message-----
From: Jeff Draughn
Sent: Monday, February 20, 2017 10:26 AM
To: Hardy Landskov ; william radice
Cc: towertalk
Subject: Re: [TowerTalk] Antenna launcher found
Same here used it just this weekend, works like a champ!!
Jeff, N0OST
On Mon, Feb 20, 2017 at 8:54 AM Hardy Landskov <n7rt@cox.net> wrote:
Hi William,
I am with you. The air boss is very good and more accurate than the tennis
ball kind. (More mass, less drag.) But if you accidently got hit by one at
close range you would be in a world of hurt medically.
Now I need to find bottles of compressed air. The bicycle pump is ok but
can
be tiring.
Another hint: Paint your weights with fluorescent paint. Makes them easier
to find.
Hardy N7RT/4
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
william radice
Sent: Monday, February 20, 2017 9:09 AM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] Antenna launcher found
:::: How is it that all of you seem to be unaware of the fabulous antenna
launcher called the Air Boss?? No one seems to have mentioned it
http://www.kr4loairboss.com/
I've had this thing for several years and I can out up a wire anywhere,
anytime, in a few minutes. Why would you need anything else?
BILL
On 2/20/2017 8:08 AM, Patrick Greenlee wrote:
Be careful, be very careful. There is a reason PVC pipe is not allowed for
distributing shop air. People do it out of ignorance or because money
means
more than safety to them. Google to see some pix of what shrapnel damage
from exploding PVC pipe can do. Because people aren't killed first time
every time they pressure up PVC pipe doesn't mean it isn't dangerous.
I bought a tennis ball launcher as a birthday gift for a friend. If I
recall
correctly it is called a K-9 Kannon. It is made of plastic and uses large
rubber bands for launching the ball, ostensibly for a dog to retrieve,
hence
the name. There are several models ranging in cost from about $7.50 to
$20.
Patrick NJ5G
On 2/19/2017 10:42 PM, Mickey Baker wrote:
Being the cheap ham that I am, I built one from the plans on that site,
but
a but a bit more robust.
I can launch a standard new tennis ball 250 meters at a ground level
target
and much taller than anything around here. I have ropes in 70 foot pine
trees supporting wire antennas.
I hate the fishing reel that I'm using, so I should probably upgrade the
reel.
There's some margin for safety built in, but I wouldn't inflate more than
the recommended pressure with a PVC pressure vessel. A failure could be
dangerous.
Be safe, a tennis ball could hurt someone!
73,
Mickey N4MB
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