555 KITE AERIAL PHOTOGRAPHY
ON SAO MIGUEL ISLAND IN
THE AZORES
soldersmoke@yahoo.com
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Fooling around with the Astro-Cam rocket (an Estes rocket with
a
camera
in the nose cone) got me thinking about putting a camera on a kite.
Checking
the web, I found that I was not the only one with this idea.
I decided
to build a very simple kite photography rig.
First
I tackled the electronics: I built a simple timer circuit using a 555
timer
chip and a couple of relays. It fires the camera every 30 seconds. I
may
modify this so that it fires every minute. I use it with an old Canon
Sure
Shot camera. The timer connects to the wires that
were formerly connected
to the button that fires the camera.
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The
mount
is a simple pendulm type, made out of a yard stick. The camera
attaches to the bottom of the pendulum. The kite string is cut about
ten
feet below the kite, and the ends of the string are tied to the two
ends
of the upper bar of the pendulum, making it in effect part of the kite
string. The timer circuitry is housed in a plastic box (it originally
housed
ice cream) attached to the vertical bar of the pendulum. The appartaus
weighs in at 600 grams or about 1.3 pounds.
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The kite is a Scott Sled that I made using plastic garbage bags, duct
tape and some old fishing poles. Mine is about 5 feet tall and produces
a lot of lift.
I flew the kite and then the camera with the kite for the
first time
on 15 June 2003 at the Praia do Populo beach near Ponta Delgada, Sao
Miguel
Island, Azores Portugal. I used ASA 400 film. The picture at the top of
this page is from that first attempt.
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