[ForSale-Swap] FS: Telescopic Aluminum Pneumatic Mast
Robin Midgett
K4IDC at Comcast.net
Tue Dec 20 18:08:01 EST 2005
Greetings,
There is a heavy duty aluminum pneumatic mast available for sale in
Nashville, TN. It was designed and built to mil spec for the Air
Force as a support for an array of lights, which were used for
servicing aircraft at night. I had one of these masts before, and
used it with good success in a rover contest rig. This particular
mast is owned by a friend who is not an amateur radio op. He asked me
to make it available to the ham radio market.
Generally, the mast is 7'-10" tall when nested, and it extends to
more than 27' when elevated. The base section measures 5-1/4" in
diameter. There are five sections total, all of which are double
keyed, allowing the entire mast to be rotated via the base section.
The weight of the mast is ~110 lbs. There are two 1/4" FNPT ports in
the base for air in/outlet. 15-20 PSI will extend the mast easily. It
uses commonly available O-ring seals. Pictures are available. The
asking price is $800; reasonably close offers will be considered;
please reply to me directly. Freight or delivery can be arranged.
Thanks,
Robin Midgett K4IDC
K4IDC at comcast.net
http://www.people.vanderbilt.edu/~robin.midgett/index.htm
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