Hot Air Balloons

The Hot Air Balloon I went up in was a rainbow ofopen balloon. It takes a lot of practice to get the feel
colors, one of three owned and operated by a localfor achieving that near exact balancing act between
ballooning company. For $125.00, a ride of at leastascent and descent.
forty minutes duration is promised and we were aloftThe growing popularity of ballooning is reflected by
for just under an hour. It's certainly serene whenthe number of meets, the largest (certainly the
floating along through the air, but it is deafening whenoldest) of these probably being in Albuquerque, NM,
the pilot turns on the burners! A sharpening breezewhere the meet has been in operation for thirty-four
blew our balloon further adrift that expected and weyears. In 2005 there were over 600 balloons
landed in a pasture amidst an interested herd ofparticipating, most from the western United States,
Hereford steers. The chase vehicle soon arrived, thebut also a few hardy souls who shipped their balloons
pilot popped open a celebratory bottle of champagnein from Australia, the UK and elsewhere around the
(as promised in their literature), and I inquired aboutworld. Officially termed the Albuquerque International
booking another flight!Balloon 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 the
even instruction for wannabe pilots. However, theadvertising facet. Clever designers and fabricators
pastime is not new on the scene, in fact the veryhave come up with balloons that look like most
first hot air balloon rose from the ground in 1783. Inanything that one can imagine. Last year at a local
France, the Montgolfier brothers were the earlymeet, I saw such oddities as Barney the Dinosaur,
developers, sending up tethered balloons with nothe Planters Peanuts man, a Shell Gas Pump, a soft
passengers, then experimenting with first geese andice cream cone and Senator Foghorn the Leghorn
then a dog, and finally mustering the courage for twofrom cartoons, just to name a few. Some of the
men to try it. The next step was an untetheredlarger ones, like Barney, seemed quite unwieldy both
balloon, which stayed up for 23 minutes flying overto inflate and to fly. Balloonists sell advertising or
Paris, landing in a park in the Bois du Boulogne. Theyenlist sponsors to underwrite their ballooning activities
had little control over their balloon, a condition thatand it seems to work out fairly well for all concerned.
exists to a great extent to the present day; basicallyMost balloonists I've talked to have a well-developed
the pilot still goes where the breeze blows him.sense of humor, a necessary asset when dealing
If you actually need to get somewhere, a hot airwith the vagaries of the prevailing winds. Our pilot
balloon is a fairly impractical vehicle. You can't reallytold us this story; mostly I think to divert our
steer it other than rising or descending to findattention while passing over an open stretch of
crosscurrents in the wind, and it only travels as fastwater.
as the wind blows. Hot air balloons are based on aA man is flying in a hot air balloon and realizes he is
very basic scientific principle: warmer air rises in coolerlost. He reduces height and spots a man down below.
air because the hot air is lighter. A cubic foot of airHe lowers the balloon further and shouts: "Excuse
weighs roughly 28 grams (about an ounce). If youme, can you tell me where I am?" The man below
heat that air by 100 degrees F, it weighs about 7says: "yes you're in a hot air balloon, hovering 30 feet
grams less. Therefore, each cubic foot of airabove this field." "You must work in Information
contained in a hot air balloon can lift about 7 grams.Technology" says the balloonist. "I do" replies the
That's not much, and this is why hot air balloons areman. "How did you know?" "Well" says the balloonist,
so huge -- to lift 1, 000 pounds, you need about 65,"everything you have told me is technically correct,
000 cubic feet of hot air!but it's no use to anyone." The man below says,
Inside the balloon's envelope there is a constant"You must work in Management". "I do" replies the
variation between the pressure of the hot air againstballoonist, "but how did you know?" "Well", says the
the top of the envelope versus the pull of gravity.man, "you don't know where you are, or where
The pilot's objective is to maintain equilibriumyou're going, but you expect me to be able to help.
between the two forces through the judicious use ofYou're in the same position you were before we
the propane-fueled burners, which are mounted onmet, but now it's my fault.
the gondola, which in turn is suspended under the