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Goodyear Airdock

Coordinates:41°1′55″N81°28′15″W/ 41.03194°N 81.47083°W/41.03194; -81.47083
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Goodyear Airdock
The Goodyear Airdock
Goodyear Airdock is located in Ohio
Goodyear Airdock
Goodyear Airdock is located in the United States
Goodyear Airdock
LocationS side of theAkron Fulton International Airport,Akron, Ohio
Coordinates41°1′55″N81°28′15″W/ 41.03194°N 81.47083°W/41.03194; -81.47083
Built1929/30
ArchitectKarl Arnstein, Paul K. Helma, Wilbur J. Watson
NRHP referenceNo.73002259[1]
Added to NRHPApril 11, 1973

TheGoodyear Airdockis a construction and storageairship hangarinAkron, Ohio.At its completion in 1929, it was the largest building in the world without interior supports.

Description

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The building has a unique shape which has been described as "half a silkworm's cocoon, cut in half the long way." 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, or an area larger than 8football fieldsside-by-side. The airdock has a volume of 55 million cubic feet (or about 1.5 million cubic meters). A control tower and radio aerial sit at its northeast end. At each end of the building are two huge 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.[2]

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 thehumidityis high in the Airdock, a sudden change in temperature causescondensation.This condensation falls in a mist, creating the illusion of rain, according to the designer.[3][4]

History

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The U.S. Navy airshipUSSMaconunder construction at the Goodyear Airdock in 1932.

In 1929, Goodyear Zeppelin Corporation, laterGoodyear Aerospace,sought a structure in which "lighter-than-air" ships (later known asairships,dirigibles, and blimps) could be constructed.[5]The company commissionedKarl ArnsteinofAkron, Ohio,whose design was inspired by theblueprintsof the first aerodynamic-shaped airship hangar, built in 1913 inDresden,Germany.[6]

Construction took place from April 20 to November 25, 1929, at a cost of $2.2 million (equivalent to $30.74 million in 2023[7]).

The first two airships to be constructed and launched at the airdock wereUSSAkron,in 1931, and its sister ship,USSMacon.

WhenWorld War IIbroke 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'sZPG-3Win 1960. The building later housed the photographic division of the Goodyear Aerospace Corporation.

In 1980, the Goodyear Airdock was designated aHistoric Civil Engineering Landmarkby theAmerican Society of Civil Engineers.

Interior of the Goodyear Airdock, May 1985

The airdock served as the site of the 1986 kickoff rally for theUnited WayofSummit County,where more than 350,000 members of the public visited.[8]Bill Clintonspoke there during his1992 election campaign.

In 1987, theLoral Corporationpurchased Goodyear Aerospace and the Goodyear Airdock as a result ofJames Goldsmith'sgreenmailingof Goodyear. The Loral Corporation (and its holdings, including the Goodyear Airdock) was purchased byLockheed Martinin 1996.

As of 2021California company LTA Research and Exploration, together with theUniversity of Akron,plans to use the airdock to develop electric-powered airships.[9]

The airdock is not open to the public, but it can be seen by those traveling onU.S. Route 224east of downtown Akron.

See also

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References

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  1. ^"National Register Information System".National Register of Historic Places.National Park Service.April 15, 2008.
  2. ^"A Nine Acre Nest For Dirigibles."Popular Science Monthly,September 1929, p. 20.
  3. ^O'Dell, Joanne (2007-05-21)."Airdock".Summit County Myths wiki.Akron-Summit County Public Library.Retrieved2007-09-24.
  4. ^Schleis, Paula (2003-09-23)."Does it rain in there?".Akron Beacon Journal.p. A8.
  5. ^Akron-Summit County Public Library."Goodyear-Zeppelin Corporation, Facts About the World's Largest Airship Factory & Dock".Retrieved2008-11-15.
  6. ^Roland Fuhrmann (2019). "Dresden’s gateway to the skies: the world’s first streamlined airship hangar and its influence on architectural history", Thelem Universitätsverlag Dresden, 2019,ISBN978-3-95908-482-6.
  7. ^Johnston, Louis; Williamson, Samuel H. (2023)."What Was the U.S. GDP Then?".MeasuringWorth.RetrievedNovember 30,2023.United StatesGross Domestic Product deflatorfigures follow theMeasuringWorthseries.
  8. ^Johnson, Melissa (September 14, 1986)."All were on the guest list, and nearly everyone came".The Akron Beacon Journal.p. 1.
  9. ^Mackinnon, Jim (March 5, 2021)."Google co-founder's company to use Akron Airdock for state-of-art airship development".Akron Beacon Journal.RetrievedMarch 6,2021.
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