A superpressure balloon (SPB) is a style of aerostatic balloon where the volume of the balloon is kept relatively constant in the face of changes in ambient...

scientific balloon missions are unmanned. There are two types of light-gas balloons: zero-pressure and superpressure. Zero-pressure balloons are the traditional...

in altitude. Experiments with zero-pressure balloons, superpressure balloons, and valved latex balloons have extended flight times to more than 24 hours...

pounds (910 kg). The Chinese balloon was a superpressure balloon similar to earlier NASA designs, where the volume of the balloon is kept relatively constant...

small superpressure balloon, carried to Mars on a "microprobe" weighing no more than 40 kilograms (88 lb). Once inserted, the operational balloon would...

long duration flights is the superpressure balloon. A superpressure balloon maintains a higher pressure inside the balloon than the external (ambient)...

helium balloons. Each of these was a superpressure balloon (also known as a constant pressure or positive pressure balloon.) In theory, such a balloon can...

sunlight allows more negligible altitude variations. ULDB balloons or superpressure balloons (SPB) are sealed to prevent helium loss and have a pumpkin...

a radio antenna toy balloon research balloon Skyhook balloon superpressure balloon other balloon tires, for vehicles that require low ground pressures...

system of two balloons in tandem, with a "zero-pressure" lifting gas balloon tethered to a superpressure balloon "anchor". The gas balloon is filled with...

Balloon. The balloons were composed of polyethylene plastic about 0.076 mm (0.0030 in) thick. The balloons were superpressure balloons filled with helium...

stratosphere via NASA's superpressure balloon (SPB) system. At 40 km altitude above sea level, the football-stadium-sized balloon carries SuperBIT (at 3500 lbs)...

superpressure balloon. Finally, on August 17, 1978, three Americans - Ben Abruzzo, Maxie Anderson, and Larry Newman crossed the Atlantic by balloon,...

British Balloon Museum preserves the solar balloon G-BAVU envelope. On 1 November 1984, Nott became the first person to pilot a “pumpkin” superpressure balloon...

constant-density altitude. The GHOST design explored the performance a superpressure balloon with a spherical two-layer PET film envelope holding the gas inside...

collection. Braided Zylon strands maintain the structure of polyethylene superpressure balloons. Zylon is the material of choice due to its low weight, high tensile...

pressure helium balloon for buoyancy and a superpressure balloon for variable ballast. Manufactured by Raven Industries, the double balloon system together...

the functional equivalent of the mammalian centriole in yeast Superpressure balloon Scappoose Industrial Airpark, Oregon, USA, FAA LID Schynige Platte...

while attempting to fly from East Hampton, New York, to Europe. The superpressure balloon Light Heart (attempt #6), carrying Colonel Thomas Leigh Gatch, Jr...

University of Arizona in Tucson, Arizona. The telescope was lifted by a superpressure balloon to the stratosphere at an altitude of 36 km (22 mi) above Antarctica...

46 hours from injection to the final transmission. The balloons were of spherical superpressure types of 3.54 m (11.6 ft) diameter, filled with helium...

route from Gladstone to Longreach February 21, 1974 Light Heart (superpressure balloon) 1 (Thomas Leigh Gatch, Jr.) Un­known 1610km W of the Canaries en...

plastic and Mylar balloons for superpressure balloons.: 26  In 1962, he set a new altitude record for a second-class free flight balloon, climbing to 17...

contribution to the use of balloons as a vehicle for atmospheric measurements. The demonstration of the capability to fly superpressure balloons on multiple orbits...

pressure helium balloon for buoyancy and a superpressure balloon for variable ballast. Manufactured by Raven Industries the double balloon system together...