Hot Air Balloons

The Hot Air Balloon I went up in was a rainbowsuspended under the open balloon. It takes a lot
of colors, one of three owned and operated by aof practice to get the feel for achieving that near
local ballooning company. For $125.00, a ride of atexact balancing act between ascent and descent.
least forty minutes duration is promised and weThe growing popularity of ballooning is reflected
were aloft for just under an hour. It's certainlyby the number of meets, the largest (certainly
serene when floating along through the air, but itthe oldest) of these probably being in
is deafening when the pilot turns on the burners!Albuquerque, NM, where the meet has been in
A sharpening breeze blew our balloon furtheroperation for thirty-four years. In 2005 there
adrift that expected and we landed in a pasturewere over 600 balloons participating, most from
amidst an interested herd of Hereford steers. Thethe western United States, but also a few hardy
chase vehicle soon arrived, the pilot popped opensouls who shipped their balloons in from Australia,
a celebratory bottle of champagne (as promisedthe UK and elsewhere around the world. Officially
in their literature), and I inquired about bookingtermed the Albuquerque International Balloon
another flight!Fiesta, this year (2006) it will be running from
Hot Air Ballooning is very popular nowadays, withOctober 6 -15, with over 700 balloons expected.
clubs and ballooning companies offering rides andAnother interesting aspect of hot air ballooning is
even instruction for wannabe pilots. However, thethe advertising facet. Clever designers and
pastime is not new on the scene, in fact the veryfabricators have come up with balloons that look
first hot air balloon rose from the ground in 1783.like most anything that one can imagine. Last year
In France, the Montgolfier brothers were the earlyat a local meet, I saw such oddities as Barney the
developers, sending up tethered balloons with noDinosaur, the Planters Peanuts man, a Shell Gas
passengers, then experimenting with first geesePump, a soft ice cream cone and Senator
and then a dog, and finally mustering the courageFoghorn the Leghorn from cartoons, just to name
for two men to try it. The next step was ana few. Some of the larger ones, like Barney,
untethered balloon, which stayed up for 23seemed quite unwieldy both to inflate and to fly.
minutes flying over Paris, landing in a park in theBalloonists sell advertising or enlist sponsors to
Bois du Boulogne. They had little control over theirunderwrite their ballooning activities and it seems
balloon, a condition that exists to a great extentto work out fairly well for all concerned.
to the present day; basically the pilot still goesMost balloonists I've talked to have a
where the breeze blows him.well-developed sense of humor, a necessary
If you actually need to get somewhere, a hot airasset when dealing with the vagaries of the
balloon is a fairly impractical vehicle. You can'tprevailing winds. Our pilot told us this story; mostly
really steer it other than rising or descending toI think to divert our attention while passing over
find crosscurrents in the wind, and it only travelsan open stretch of water.
as fast as the wind blows. Hot air balloons areA man is flying in a hot air balloon and realizes he
based on a very basic scientific principle: warmeris lost. He reduces height and spots a man down
air rises in cooler air because the hot air is lighter.below. He lowers the balloon further and shouts:
A cubic foot of air weighs roughly 28 grams"Excuse me, can you tell me where I am?" The
(about an ounce). If you heat that air by 100man below says: "yes you're in a hot air balloon,
degrees F, it weighs about 7 grams less.hovering 30 feet above this field." "You must
Therefore, each cubic foot of air contained in awork in Information Technology" says the
hot air balloon can lift about 7 grams. That's notballoonist. "I do" replies the man. "How did you
much, and this is why hot air balloons are so hugeknow?" "Well" says the balloonist, "everything you
-- to lift 1, 000 pounds, you need about 65, 000have told me is technically correct, but it's no use
cubic feet of hot air!to anyone." The man below says, "You must
Inside the balloon's envelope there is a constantwork in Management". "I do" replies the balloonist,
variation between the pressure of the hot air"but how did you know?" "Well", says the man,
against the top of the envelope versus the pull of"you don't know where you are, or where you're
gravity. The pilot's objective is to maintaingoing, but you expect me to be able to help.
equilibrium between the two forces through theYou're in the same position you were before we
judicious use of the propane-fueled burners, whichmet, but now it's my fault.
are mounted on the gondola, which in turn is