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Re: [TowerTalk] Antenna launcher found

To: Towertalk Reflector <towertalk@contesting.com>
Subject: Re: [TowerTalk] Antenna launcher found
From: EZ Rhino <EZRhino@fastmovers.biz>
Date: Mon, 20 Feb 2017 18:03:52 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Tie a bright orange streamer to the projectile (not too long, or it will slow 
down the velocity).

Chris



On Feb 20, 2017, at 17:31 , diverkene@gmail.com wrote:

Also spray paint the weight a fluorescent color, easier to find 

Sent from my iPhone

> On Feb 20, 2017, at 5:19 PM, W0MU Mike Fatchett <w0mu@w0mu.com> wrote:
> 
> You can build the Air Boss or similar from parts at your favorite big box 
> store and you will need a valve stem from the auto parts store.  This is by 
> far the easiest method I have tried and I had fun making it.  It will fire 
> the weights a long way up in the air.  The issue I had was finding the line 
> where it came down as fishing line is really hard to see.  I would also 
> suggest the spider wire.  While expensive relative to other line, it is super 
> strong.
> 
> W0MU
> 
> 
>> On 2/20/2017 10:26 AM, Jeff Draughn wrote:
>> 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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