engineering

Goodyear Airdock

Goodyear Airdock is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Goodyear Airdock rather than just read about it. In short: The Goodyear Airdock is an airship construction and storage hangar in Akron, Ohio. At its completion in 1929, it was the largest building in the world without interior supports.

Key takeaways

Goodyear Airdock belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Goodyear Airdock to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Goodyear Airdock from memory before moving on to harder problems.

Reference excerpt

The Goodyear Airdock is an airship construction and storage hangar in Akron, Ohio. At its completion in 1929, it was the largest building in the world without interior supports.

Description The building has a unique shape which has been described as "half a silkworm's cocoon." It is 1,175 feet (358 m) long, 325 feet (99 m) wide, and 211 feet (64 m) high, supported by 13 steel arches. There is 364,000 square feet (34 000 m2) of unobstructed floor space; an area larger than 8 football fields side-by-side. The airdock has a volume of 55 million cubic feet (~1.5 million cubic meters). A control tower and radio aerial sit at its northeast end. At each end of the building are two semi-spherical doors that each weigh 600 tons (544 000 kg). At the top, the doors are fastened by hollow forged pins 17 inches (43 cm) in diameter and six feet (1.8 m) long. The doors roll on 40 wheels along specially designed curved railroad tracks, each powered by an individual power plant that can open the doors in about 5 minutes. The airdock is so large that temperature changes within the structure can be very different from that on the outside of the structure. To accommodate these fluctuations, which could cause structural damage, a row of 12 windows 100 feet (30 m) off the ground was installed. Furthermore, the entire structure is mounted on rollers to compensate for expansion or contraction resulting from temperature changes. When the humidity is high in the Airdock, a sudden change in temperature causes condensation. This condensation falls in a mist, creating the illusion of rain, according to the designer.

History

In 1929, Goodyear Zeppelin Corporation, later Goodyear Aerospace, sought a structure in which "lighter-than-air" ships (later known as airships, dirigibles, and blimps) could be constructed. The company commissioned Karl Arnstein of Akron, Ohio, whose design was inspired by the blueprints of the first aerodynamic-shaped airship hangar, built in 1913 in Dresden, Germany. Construction took place from April 20 to November 25, 1929, at a cost of $2.2 million (equivalent to $31.55 million in 2024). The first two airships to be constructed and launched at the airdock were USS Akron, in 1931, and its sister ship, USS Macon. When World War II broke out, enclosed production areas were desperately needed, and the airdock was used for building airships. The last airship built in the airdock was the U.S. Navy's ZPG-3W in 1960. The building later housed the photographic division of the Goodyear Aerospace Corporation. In 1980, the Goodyear Airdock was designated a Historic Civil Engineering Landmark by the American Society of Civil Engineers.

The airdock served as the site of the 1986 kickoff rally for the United Way of Summit County, where more than 350,000 members of the public visited. Bill Clinton spoke there during his 1992 election campaign. In 1987, the Loral Corporation purchased Goodyear Aerospace and the Goodyear Airdock as a result of James Goldsmith's greenmailing of Goodyear. The Loral Corporation (and its holdings, including the Goodyear Airdock) was purchased by Lockheed Martin in 1996. As of 2021 California company LTA Research and Exploration, together with the University of Akron, plans to use the airdock to develop electric-powered airships. The airdock is not open to the public, but it can be seen by those traveling on U.S. Route 224 southeast of downtown Akron.

See also Airship hangar Hangar No. 1, Lakehurst Naval Air Station Hangar One (Mountain View, California) Weeksville Dirigible Hangar Bartolomeu de Gusmão Airport MCAS Tustin

References

External links

Historic American Engineering Record (HAER) No. OH-57, "Goodyear Airdock, 1210 Massillon Road, Akron, Summit County, OH", 30 photos, 4 color transparencies, 2 data pages, 3 photo caption pages National Park Service history of the Goodyear Airdock Facts and figures Aviation: From Sand Dunes to Sonic Booms, a National Park Service Discover Our Shared Heritage Travel Itinerary Ohio and Erie Canal National Heritage Corridor, a National Park Service Discover Our Shared Heritage Travel Itinerary

Illustrations

Worked examples

Example 1 — a first encounter with Goodyear Airdock

Start with the simplest possible case. Write down what Goodyear Airdock claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Goodyear Airdock before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Goodyear Airdock ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Goodyear Airdock

In research: Goodyear Airdock appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Goodyear Airdock in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Goodyear Airdock is common in secondary-school and first-year university syllabi. It links to neighbouring topics Aircraft hangars on the National Register of Historic Places, Airship hangars, Airships of the United States, so understanding it makes those chapters shorter.
In everyday life: Look for Goodyear Airdock outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Goodyear Airdock in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Goodyear Airdock means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Goodyear Airdock out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Goodyear Airdock in simple terms?

The Goodyear Airdock is an airship construction and storage hangar in Akron, Ohio. At its completion in 1929, it was the largest building in the world without interior supports.

Why does Goodyear Airdock matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Goodyear Airdock?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Goodyear Airdock.