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![]() Hi, I may have the opportunity to take a ride in a helium balloon this summer and have a few questions for any gas pilots here. Opprox. what is the cost of a smaller system new, what is the appox. cost of fill-up, did you get "hooked" on your first flight, does maintenance require an A&P (I would guess just an A) and another question or 2 for a pilot and/or experienced gas balloon crew. Thanks, Ricky |
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On Mar 3, 1:20*pm, Ricky wrote:
Hi, I may have the opportunity to take a ride in a helium balloon this summer and have a few questions for any gas pilots here. Opprox. what is the cost of a smaller system new, what is the appox. cost of fill-up, did you get "hooked" on your first flight, does maintenance require an A&P (I would guess just an A) and another question or 2 for a pilot and/or experienced gas balloon crew. Thanks, Ricky I haven't heard of gas balloon pilots, just hot air balloon pilots. Are there such a thing as gas balloons being piloted? Other than record setting flights like what Steve Fossett did? I thought that gas were used in blimps, airships and weather balloons, and piloted balloons used hot air heated by propane. Wil |
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On Mar 3, 5:46*pm, William Hung wrote:
On Mar 3, 1:20*pm, Ricky wrote: Hi, I may have the opportunity to take a ride in a helium balloon this summer and have a few questions for any gas pilots here. Opprox. what is the cost of a smaller system new, what is the appox. cost of fill-up, did you get "hooked" on your first flight, does maintenance require an A&P (I would guess just an A) and another question or 2 for a pilot and/or experienced gas balloon crew. Thanks, Ricky I haven't heard of gas balloon pilots, just hot air balloon pilots. Are there such a thing as gas balloons being piloted? Other than record setting flights like what Steve Fossett did? *I thought that gas were used in blimps, airships and weather balloons, and piloted balloons used hot air heated by propane. Wil Gas ballooning is not nearly as popular a sport as hot air but it does have quite a following. Gas balloons are rather expensive to fill & operate so the pilot community is limited, I assume, to those able to afford the endeavor. Here's a link to a gas balloon site in case you're interested; http://www.gasballooning.net/ They are registered aircraft with an "N" number (in the U.S.) and the licensure is controlled by the FAA just like fixed-wing a/c. I was surprised to learn recently that many gas balloon pilots use hydrogen as their gas of choice rather than the much more expensive (and getting harder to obtain) helium. Flights typically last several hours or even more than a day rather than an hour or so as in hot air ballooning. There's a famous annual gas balloon race called the "Gordon Bennett" which is going to be held at the Albuquerque Balloon Festival this year. Most larger hot air balloon events have gas balloon participation. Flying in a gas balloon is said to be other-worldly fantastic as it is completely noiseless and totally peaceful. Hot air balloons are a lot of fun, too & I've had lots of rides & a even a little instruction, but the serenity of hot air ballooning is necessarily interuptted by the loud burner. Ricky |
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Ricky wrote:
Hi, I may have the opportunity to take a ride in a helium balloon this summer and have a few questions for any gas pilots here. I didn't know there were people flying helium balloons on a regular basis. If you've got to fill up a big balloon before each flight (i.e. you're not reusing helium) , that sounds really expensive. Maybe your talking about these guys? : http://www.couchballoons.com/default.aspx John Galban=====N4BQ (PA28-280) -- Message posted via http://www.aviationkb.com |
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On Mar 4, 1:26*pm, "JGalban via AviationKB.com" u32749@uwe wrote:
Ricky wrote: Hi, I may have the opportunity to take a ride in a helium balloon this summer and have a few questions for any gas pilots here. * I didn't know there were people flying helium balloons on a regular basis. If you've got to fill up a big balloon before each flight (i.e. you're not reusing helium) , that sounds really expensive. * * Maybe your talking about these guys? : http://www.couchballoons.com/default.aspx John Galban=====N4BQ (PA28-280) -- Message posted viahttp://www.aviationkb.com Wow, that was cool, thanks! No, there are actually gas-filled balloons all over the world & pilots who fly for sport, commercially and for research & records & such. Check out this link; http://www.gasballooning.net/ It is said to be much more fun & peaceful than hot air because with hot air balloons you are interrupted by the loud burner. Gas flights are also much longer, typically several hours or sometimes more than a day, which interestingly brings up the necessity of position lights on a balloon....Regs. say red on left & green on right, correct? I've seen some "dawn patrol" hot air flights at balloon festivals where they take off just before light and land at the balloon festival/race field as the sun is rising. Makes for a lot of beauty and is pretty popular with the crowd (sometimes small at 6:30 a.m.). Well, what I think I remember is that hot air balloons have their red & green nav. lights hanging by string/rope on the sides of the envelope. Now, I know that balloons rotate as they fly, some competition/commercial models have a special vent which the pilot can use to rotate on command for competition or advertisement purposes. Now, I wonder how they circumvent having their position lights change position while in flight? Makes more sense to put them on the basket but I suppose they couldn't be seen by an aircraft above the balloon. Ricky As you guessed, gas ballooning is very expensive because helium is the gas of choice, although hydrogen is becoming increasingly poular (!) with gas pilots. |
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Ricky wrote:
Hi, Opprox. what is the cost of a smaller system new, what is the appox. cost of fill-up, did you get "hooked" on your first flight, does maintenance require an A&P (I would guess just an A) and another question or 2 for a pilot and/or experienced gas balloon crew. Thanks, Ricky Check this one out too: http://www.clusterballoon.org/ -- Message posted via AviationKB.com http://www.aviationkb.com/Uwe/Forums...ation/200803/1 |
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Ricky schrieb:
As you guessed, gas ballooning is very expensive because helium is the gas of choice, although hydrogen is becoming increasingly poular (!) with gas pilots. I dont' know about the USA, but in Europe, the only helium filled balloons you'll find are the little ones for the children. All the real ones fly on hydrogen. Helium is just way too expensive. |
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On Mar 4, 3:56*pm, Stefan wrote:
Ricky schrieb: As you guessed, gas ballooning is very expensive because helium is the gas of choice, although hydrogen is becoming increasingly poular (!) with gas pilots. I dont' know about the USA, but in Europe, the only helium filled balloons you'll find are the little ones for the children. All the real ones fly on hydrogen. Helium is just way too expensive. Yeah, that is one reason why many pilots here in the U.S. are switching to hydrogen, as well. Another reason is that hydrogen is a stronger lifting gas than helium. Ricky |
#9
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On Tue, 4 Mar 2008 14:47:54 -0800 (PST), Ricky
wrote in : hydrogen is a stronger lifting gas than helium. The atmospheric displacement of hydrogen (H2 MW=2), with one fourth the molecular weight of helium (He2 MW=8), should be a considerably larger percentage of its mass. But because the hydrogen molecule is physically smaller, containing it within the balloon envelope may be an issue. My 2¢ |
#10
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Larry Dighera wrote:
On Tue, 4 Mar 2008 14:47:54 -0800 (PST), Ricky wrote in : hydrogen is a stronger lifting gas than helium. The atmospheric displacement of hydrogen (H2 MW=2), with one fourth the molecular weight of helium (He2 MW=8), should be a considerably larger percentage of its mass. Um, small correction: there is no He2 compound (well not normally). So H2 MW=2, and He MW=4. Helium is twice as dense as H2 at the same temperature and pressure. That said, both gases provide nearly the same buoyancy - H2 provides all of ~8% more buoyancy that He. That is because buoyancy depends on the differences of the densities, not their ratios. The densities at sea level a Air: ~1.29 kg/m^3 He: ~0.18 kg/m^3. H2: ~0.09 kg/m^3 Vacuum: ~0.0 kg/m^3 Turns out a vacuum provides a little under ~8% more buoyancy than H2. But because the hydrogen molecule is physically smaller, containing it within the balloon envelope may be an issue. Well, both gases eventually leak through most LTA aircraft envelope materials. (Metalclads like the ZMC-2 theoretically would fare best). But the price of helium has done nothing but rise substantially for the last few years. For some applications it has no substitute. Here's the USGS site providing stats on worldwide production, consumption, estimated reserves, and ever rising costs: http://minerals.usgs.gov/minerals/pu...modity/helium/ |
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