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Questions tagged [balloons]

Question regarding inflatable spheres filled with material lighter than the surrounding material used to lift objects, and their uses in space exploration.

5
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1answer
271 views

Why is this rocket transparent, and why is there a nozzle in the nose, pointing up?

This tough question links to the NASA YouTube video NASA 60th: How It All Began which shows a lot of really nice, historical file footage and stills. At about 01:56...
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1answer
195 views

Did Echo 2 remain spherical without requiring gas pressure? If so, how is this known to be true?

Echo 1 and Echo 2 (Project Echo) were giant balloons inflated in space after being launched into Earth orbit, and used to study both the bouncing of radar, TV, and radio signals from one Earth station ...
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0answers
36 views

How to make a rocket than achieve 40 miles in altitude [duplicate]

me and my friend are working on a design where a solid fuel rocket rides on a large weather balloon. The ball on would get 22 miles high before bursting, then the rocket would ignite at boat for 40 ...
3
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1answer
261 views

Temperatures in “near” space compared to LEO

I've been reading about High Altitude Balloons (HAB) lately, and it seems that they take much greater pains to fight cold temperatures than cubesats do. Loads of insulation, especially on batteries, ...
3
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1answer
68 views

State of the art balloon materials

What are the state of the art balloon materials used for high altitudes ascending (top of troposphere, approximately 50 km)? Are there new material improvements likely in the next future? If so which ...
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2answers
910 views

Launching a rocket from a weather balloon for a very small payload

I am new to the site and am unaware of the correct formation of my question. That being said, I wanted to know if this is plausable and what would be the correct way of tackling this idea. If I had a ...
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3answers
243 views

At what altitude would I have to go in a lighter than air balloon to be above all wind and just have the earth rotate underneath me?

I know in the lower levels of the stratosphere we can still have 100 mph winds albeit low density winds. Could I possibly go high enough in a balloon or imaginary vertical craft that I would go above ...
3
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1answer
148 views

What cosmic ray sensor is attached to this Balloon?

This short BBC News item shows a very large high altitude balloon lifting a science payload to measure high energy cosmic rays for about 100 days, circling the Earth perhaps twice in the process. ...
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1answer
199 views

near space vacuum balloon

OK we know that due to air pressure a vacuum balloon would not be possible on earth. But would it be possible to create one that floated near space with almost no air pressure? If so how much ...
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2answers
294 views

Was a commercial (ad) balloon satellite ever deployed?

I remember hearing a story from some two decades ago, about a publicity stunt by one of the two - can't remember which - Pepsi or Coca-Cola. The action was allegedly deployment of a gigantic balloon ...
5
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2answers
369 views

Building a ultra-small almost space vehicle

I'm quite interested in small rockets-balloons that can reach more than 50km, thus I want to build one myself (With my school financial support). I just want it to carry like a 350g-450g equipment. ...
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2answers
182 views

What technical challenges would be playing this LP in (actual) space?

In the NYTimes article Third Man Records Sends a Vinyl Record Into Space an LP record player was designed and built to be flown in a balloon. It seems to have achieved only about 28.5 km which is ...
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1answer
248 views

Power supply for (30km stratosphere) school's High Altitude Balloon project

Our local amateur radio club has been approached by Veikkola junior school with regard to our members participating in the school's proposed High altitude balloon project (Spring 2017); in particular ...
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4answers
3k views

Current situation with CoCom regulations and GPS receivers for balloons and cubesats

I wanted to ask this at aviation SE because they are quite rules-and-regulations oriented there, but this question is not (really) about aviation. I'm trying to understand the current situation for ...
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0answers
116 views

How practical is a low-cost balloon that stays at 14 km with attitude control, carrying a 1 kg payload? [closed]

How long can a balloon stay at a certain altitude (~14km) and what are the techniques to control the altitude? Are there low-cost ($300) methods to maintain an altitude of 14km for weeks? The foreseen ...
5
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1answer
623 views

How long would a blimp last in Venusian atmosphere at an altitude of 65 km?

It would be the same blimp on Earth, except with some modifications like anti-corrosion coating. The blimp will use helium as the gas to keep it aloft. Would it last long enough to be useful?
3
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2answers
459 views

Hydrogen balloon 'rocket' that uses the hydrogen as fuel?

I've had an idea floating in my head recently and would love if someone more knowledgeable with physics or engineering could review it/debunk the idea. There have been many ideas related to using ...
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1answer
1k views

Is it possible to put something small in orbit with a balloon? [duplicate]

I'm wondering if it'd be possible to tape a bottle rocket to one of these chipsat things and carry it to space with a balloon. Once the balloon hits max altitude, the small rocket is ignited and takes ...
4
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1answer
371 views

Scientifically useful measurements from low-budget high-altitude balloon flights

Let's say, hypothetically, that I'm thinking about launching a high altitude balloon. I want to contribute to the bank of mankinds' knowledge, not just take pretty pictures. My (notional) budget is ...
20
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5answers
33k views

Is it possible to reach space using home-made rocket?

The first stage would be a high altitude balloon, which could reach 30km. Then start a rocket-candy from that high. Without cargo, is it possible to reach the edge of space (Kármán line - 100km), or ...
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1answer
880 views

Is it possible to put a satellite into geostationary orbit using a weather balloon? [duplicate]

I was wondering about the following situation: First, you send up a balloon with a satellite with some thrusters built-in. As soon as the balloon reaches the geostationary height, it deploys from the ...
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3answers
2k views

Is it more challenging to put an airship in the Uranian than in the Venusian atmosphere?

The Soviet Union's (in cooperation with some European governments like France and West Germany) Vega missions put balloons in the atmosphere of Venus back in 1985. It was 30 years ago, the last ...
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3answers
3k views

Is the “airship to orbit” mission profile feasible?

By one of those weird coincidences, I had been on JP Aerospace's site mere hours before reading this question about space dirigibles here. Their mission plan seems too good to be true. They are ...
2
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1answer
383 views

Has anyone proposed a serious space dirigible design? [closed]

It seems to me that heated helium with syphoned pressure regulated to 1000 mbar or less would get you halfway to the Karman line prior to expenditure of precious fuel. Has anyone thought of this?
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2answers
98 views

What are the uses and limitations of moored (powered) balloons? (Compared to GEO, sounding rockets et c.)

Why aren't moored helium balloons hoovering a few kilometers over many cities as a competing alternative to expensive satellite launches? They could provide services with local advantage such as: high ...
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1answer
234 views

Indian Manned Flight to 'Near Space' by ISRO?

I recently read about Google exec Alan Eustace's record skydiving jump from a 'near space' altitude of 135,890 feet and was surprised to learn that the balloon which lofted him up to that height was ...
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2answers
2k views

What are the risks involved in amateur high-altitude ballooning, and how can we mitigate them?

Over the past few years, it's become somewhat of a trend to send up high-altitude balloons and post videos on internet. Well-known examples include Toy Train in Space and Picard & Kirk in Space. ...
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2answers
409 views

Around Venus in 8 days by Balloon?

The question Would a human colony on Venus be possible? received an answer showing how inhospitable the surface is. But combined with comments to the answer implies that a station in the upper ...
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11answers
34k views

Could it be possible to launch a rocket from a balloon?

There are several (commercial) organisations looking into alternative means to launch space-bound rockets. One commonly proposed method is to use a large airplane as the launch platform. This method ...
10
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2answers
257 views

Have there been any official feasability studies into descending balloons into outer planetary atmospheres?

The Vega program included a balloon floating in the Venus atmosphere. It seems no more balloons have been used on other planets since then. The Wikipedia article on Aerobots mentions JPL feasibility ...