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Ajax (crane barge) — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Ajax_(crane_barge)
License (as archived): CC-BY-SA-4.0
Archived: 2026-11-07T22:35:18.845Z
SHA-256 of the archived text: 33c2b019bb239a599d7e0f43b300e9c3d6d8c93201d52ad59ed27c19003cea9d
Stable URL of this page: https://metraipolis.com/documento/dc_2df9efd03e45

How to cite

Ajax (crane barge) — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Ajax_(crane_barge) (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_2df9efd03e45 (Metraipolis archive dc_2df9efd03e45, sha256 33c2b019bb239a599d7e0f43b300e9c3d6d8c93201d52ad59ed27c19003cea9d)

BibTeX

@misc{dc2df9efd03e45,
  title = {Ajax (crane barge) — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Ajax_(crane_barge)},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_2df9efd03e45; sha256 33c2b019bb239a599d7e0f43b300e9c3d6d8c93201d52ad59ed27c19003cea9d},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Ajax_(crane_barge). Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Ajax is a floating crane built to move and install the canal locks and other large parts of the Panama Canal. Ajax also helped in ship repairs and clearing the canal as needed. Ajax and her identical sister crane, the Hercules, were the largest floating cranes at time of completion, able to install the massive Panama Canal locks. Ajax could lift a maximum of 250 tons to a height of 21 feet (6.40 m), with a close reach. At Ajax's far reach she could lift a maximum of 100 tons. Ajax and Hercules were built by Deutsche Maschinenbau AG (1910–1977) (that later became part of Demag, in Wilhelmshaven, Germany). After the Ajax and Hercules, Deutsche Maschinenbau AG later made the Langer Heinrich, or Long Henry in 1915, in use for 100 years. The contract for the two cranes was signed on April 21, 1913. The cranes were of the revolving type, at a cost of about $837,500 each. The two cranes were to be completed in 580 days and delivered to the Panama Isthmus by December 2, 1914, from Emden, Germany. The two cranes arrived in Cristóbal, Colón, Panama on December 7, 1914, several months after their scheduled arrival time of July 1914. Ajax performed an acceptance test before being put into service. Ajax was lifting a 20% over max weight at a far reach test, lifting 120 tons of concrete blocks and iron rails as weights. At 4 feet (1.22 m) off the ground the steel framing of the crane's gib failed. The damage to the crane was limited and the repair cost was about $100,000. The Hercules was used to lift the new modified jib framing onto Ajax. The barges Ajax and Hercules had a length of 46.25 m, a width of 27.54 m and a draft of 4.8 m, with a gross tonnage of 4000 Tons. Both use charcoal to fire the boilers.

Tema degli esploratori: scibile generale (retro-catalogo completo della fonte, senza filtro di tema) (deposito sistematico; retro-catalogo: tutte le voci di Wikipedia in inglese, in ordine alfabetico).
Fonte: Wikipedia in inglese, voce «Ajax (crane barge)» — https://en.wikipedia.org/wiki/Ajax_(crane_barge)
Wikidata Q28457849: «waterborne crane involved in operating the Panama canal» (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q28457849
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Ajax_(crane_barge)?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1333373557, consultata il 2026-11-07T22:32:00.998Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: cf07db65d0c8de613c024adfad9f937f734d9d5e9795a1edb40f105536b966ef