Inflation of Piccard Solo System Balloon Aug 28, 2026 Lehigh Valley Balloon Festival Slatington Airport, Slatington, PA
Balloon owned by Garry Haruska
 Picture by Jay Szabo
 Picture by Jay Szabo
 Picture by Martin Fowler Jr
The History of the Piccard Solo System
The Piccard Solo System represents a radical milestone in the history of lighter-than-air aviation.
Launched in 1982 by Dick Roberts-then-president of Piccard Balloons-the project aimed to democratize hot air ballooning by creating a true "mail-order" aircraft. To engineer this vision, Roberts brought legendary aeronaut Don Piccard out of manufacturing retirement to design the envelopes.
The Ultralight Loophole
During the late 1970s and early 1980s, standard sport ballooning was growing increasingly complex and expensive. Traditional systems required a truck or trailer, a minimum chase crew of three to four people, and rigorous FAA pilot licensing.The Solo System changed everything by aiming directly for the FAA's strict empty-weight limits for ultralight aircraft. By stripping the system down to its absolute mechanical minimums, Roberts and Piccard engineered an aircraft with a total empty weight of just 147 to 152 pounds. As a result, the Solo System could legally be flown in the United States without a pilot's license, a massive breakthrough for aviation enthusiasts.
A Masterclass in Minimalist Engineering
To achieve such an incredibly low weight while maintaining structural safety, the design discarded the traditional heavy wicker basket entirely. Instead, it utilized a minimalist structural harness or a lightweight plastic seat weighing a mere 13.5 pounds. This seat was rigged directly to a single, centrally located 10-gallon aluminum propane tank, which acted as the structural backbone of the bottom end.The envelope itself was scaled down to a compact 28,000 cubic feet-nearly a third of the size of a standard commercial sport balloon. To allow a lone pilot to safely inflate and manage the aircraft without a ground crew, Piccard integrated a specialized fixed throat and a self-sealing top. The system was powered by a pocket-sized, high-efficiency copper-coil burner featuring a unique automatic shutoff mechanism after every blast to optimize fuel efficiency.
A Rare Aviation Legacy
Despite its revolutionary design and accessibility, the Solo System was a highly specialized aircraft built for a niche community of solo aviators. Production was strictly limited and custom-ordered. When production permanently ceased in 1990, only 15 total production units had ever been built. Today, the surviving Solo Systems are considered museum-grade artifacts of the American experimental ultralight boom.
About Don Piccard: Pioneer of Modern Ballooning
Donald "Don" Piccard (1926-2020) was a towering figure in aviation who fundamentally shaped the design, safety, and manufacturing of the modern hot air balloon. Born into the world's most famous dynasty of explorers, his father (Jean-Felix) and uncle (Auguste) were the legendary Swiss-American scientists who pioneered stratospheric flight, pressurized cabins, and plastic cluster balloons.
Don Piccard spent his entire life pushing the boundaries of flight: |
Aviation Firsts:
In 1947, he completed the first post-WWII civilian free-balloon flight in the United States. In 1963, he and Ed Yost became the first people to successfully fly a hot air balloon across the English Channel.
The Invention of Load Tapes:
Don's greatest contribution to global aviation safety was his invention of structural load tapes. Before Piccard, balloon envelopes bore structural weight directly on their fabric sheets, risking catastrophic tearing. Piccard introduced horizontal and vertical high-strength load tapes to carry the structural tension of the pilot and fuel tanks, a design element standard on 100% of modern hot air balloons today.
The Piccard Aesthetic:
Beyond engineering, Don brought unmatched artistry to the skies. He rejected standard square panel patterns, introducing complex mathematical bulbous curves and geometric tailoring-such as the intricate star-crown and vertical stripe patterns seen on the Solo System-that allowed balloons to inflate into perfectly stable, aerodynamic spheres.
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Through the Solo System, Don Piccard successfully distilled a lifetime of heavy aerospace engineering into its purest, most minimalist form: a single person, a single tank, and the open sky.
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