APS News

July 2000 (Volume 9, Number 7)

One Man's Crusade to Exonerate Hydrogen for Hindenburg Disaster

Addison Bain (inset) and the Hindenburg's final moments
Addison Bain (inset) and the Hindenburg's final moments. Image from http://www.geocities.com/Area51/Zone/5942/hindenburg_index.html; inset image from http://www.fsec.ucf.edu/bain.htm
The perceived dangers of hydrogen are irretrievably linked in the public mind with the tragic fate of the Hindenburg airship, which burst into flames in May 1937, killing 36 of the 97 people on board. Common lore attributes the disaster to the inherent flammability of the gas, a claim repeated in the Back Page article, "Top Twenty Technological Screw-Ups" by Marc Abraham (see APS News, May 2000). Alert APS News readers Michael Heben (National Renewable Energy Laboratory) and Martin Sage (Syracuse University) both wrote in to object to the continued vilification of hydrogen, and to praise the nearly 30-year crusade of retired NASA scientist Addison Bain, who eventually uncovered important new facts about the blaze.

Bain's hunt for the truth about the Hindenburg began in the late 1960s, when he was working on hydrogen systems. The Hindenburg was frequently used as an example in hydrogen safety manuals, but the reported observations of the incident were inconsistent. For example, Bain noticed that the fire burned rapidly in many directions, the zeppelin remained aloft and upright for many seconds after the initial flames were seen, and the flames were bright - none of which are consistent with a hydrogen explosion. He spent large chunks of time researching original documentation of the disaster, which was enough to convince him that the airship's materials had contributed to the ignition of the blaze, but he lacked solid evidence to prove his theory.

Finally, in 1994 Bain obtained samples of the fabric that had covered the Hindenburg and had a volunteer team of scientists analyze them using a variety of physical and chemical techniques, including an infrared spectrograph and a scanning electron microscope, which provided the chemical signatures of the organic compounds and elements present. His conclusion: the source of the fire was the use of lacquers and metal-based paints on the outer hull and bladders, which were ignited by an electrical discharge. "I guess the moral of the story is, don't paint your airship with rocket fuel," Bain said at the time of announcing his discovery.

Ironically, Bain's findings are not well-known, and hence most scientists and members of the public persist in the uncritical belief that hydrogen caused the Hindenburg blaze. Both Heben and Sage believe that this prejudice undermines recent interest in using hydrogen as a fuel and energy storage medium. As Heben wrote, "The distribution of unsubstantiated and incorrect lore regarding this incident greatly harms the world-wide efforts to develop hydrogen technologies for the replacement of fossil fuel."

We stand corrected.

APS encourages the redistribution of the materials included in this newspaper provided that attribution to the source is noted and the materials are not truncated or changed.

Editor: Alan Chodos
Associate Editor: Jennifer Ouellette

July 2000 (Volume 9, Number 7)

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Articles in this Issue
From Big G to Extra Dimension: Gravity Measurements Reported at APS Long Beach Meeting
CPU Study to Set Research Priorities at Interface of Physics, Astronomy
Congressional Visits Foster Communication Between Physicists and the Hill
One Man's Crusade to Exonerate Hydrogen for Hindenburg Disaster
Physicists, Educators, Share Experiences at HS Teacher's Day
Editorial Cartoon
Zero Gravity: The Lighter Side of Science
This Month in Physics History
The Back Page