--- title: "Meaning & Key Takeaway of: girders. All Zeppelins built thereafter…" description: "\"“girders. All Zeppelins built thereafter would be constructed of this material. Apparently, some improvements were made in the Duralumin composition fo..." image: "https://sms4smile.com/quotes/i/ac6/john-provan-35477_girders-zeppelins_girders-all-zeppelins-built-thereafter-w_102843.jpg" --- # girders. All Zeppelins built thereafter would be… ![“girders. All Zeppelins built thereafter would be constructed of this material. Apparently, some improvements were made in the Duralumin composition for LZ-129, increasing the strength by 20%. The Duralumin would be rolled, pressed and cut into shape, manually being assembled into girder sections…” quote by John Provan](https://sms4smile.com/quotes/i/ac6/john-provan-35477_girders-zeppelins_girders-all-zeppelins-built-thereafter-w_102843.jpg) [Download](https://sms4smile.com/quotes/i/ac6/john-provan-35477_girders-zeppelins_girders-all-zeppelins-built-thereafter-w_102843.jpg) [Open image](https://sms4smile.com/quotes/i/ac6/john-provan-35477_girders-zeppelins_girders-all-zeppelins-built-thereafter-w_102843.jpg) > ““girders. All Zeppelins built thereafter would be constructed of this material. Apparently, some improvements were made in the Duralumin composition for LZ-129, increasing the strength by 20%. The Duralumin would be rolled, pressed and cut into shape, manually being assembled into girder sections, that were carefully weighted and then covered with”” [John Provan](https://sms4smile.com/quotes/author/john-provan/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. The passage describes how early airship construction shifted to Duralumin girders, noting a 20% strength increase for the LZ‑129 through material refinements. **In simple terms:** Duralumin made later zeppelins stronger. Key Takeaway Material innovation boosted airship durability. Themes engineering materials science history Mood informative nostalgic Type historical technical When to use this quote - museum exhibits on aviation - engineering curricula - restoration projects Key Concepts structural optimization industrial progress Practical Applications - study historic alloys for modern lightweight design - apply lessons to aerospace composites Questions to Reflect On - What modern materials echo Duralumin’s impact? - How did material limits shape airship design choices? A Different Perspective Duralumin’s corrosion susceptibility limited its long‑term use. ★ ★ ★ ★ ★ No ratings yet ## Related quotes > [“always kept at the same level, insuring the work was proceeding”](https://sms4smile.com/quotes/john-provan/always-kept-at-the-same-level-insuring-the-work-was-proceeding/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“brought together and combining aft of frame 20. From there on, to the back, only 16 longitudinal girders continued. LZ-129 “Hindenburg”-ring layout: Ring 1)…](https://sms4smile.com/quotes/john-provan/brought-together-and-combining-aft-of-frame-20-from-there-on-to-the/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“total of 1,599,640 man hours of labor went into the building of the LZ-129 “Hindenburg”. The price for technology is often measured in the…](https://sms4smile.com/quotes/john-provan/total-of-1-599-640-man-hours-of-labor-went-into-the-building-of-the-2/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“work. The official investigation began on Monday, May 10, 1937, with witnesses being called and Commander Rosendahl giving the”](https://sms4smile.com/quotes/john-provan/work-the-official-investigation-began-on-monday-may-10-1937-with/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“locations for joining the girder sections. The empty aluminum structure had a total weight of 56,368 kg, a figure which doubled, when all equipment…](https://sms4smile.com/quotes/john-provan/locations-for-joining-the-girder-sections-the-empty-aluminum/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“total of 1,599,640 man hours of labor went into the building of the LZ-129 “Hindenburg”. The price for technology is often measured in the…](https://sms4smile.com/quotes/john-provan/total-of-1-599-640-man-hours-of-labor-went-into-the-building-of-the/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“sq. ft. was naturally waterproofed, but given the size, temperature differences and weather effects upon the covering, leaks could occasionally occur and go un-noticed.…](https://sms4smile.com/quotes/john-provan/sq-ft-was-naturally-waterproofed-but-given-the-size-temperature/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“finished, the cells were translucent. Each gas cell was like a donut, with a small hole in the center, through which the central catwalk…](https://sms4smile.com/quotes/john-provan/finished-the-cells-were-translucent-each-gas-cell-was-like-a-donut/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“dramatically, but helium gas was 10 times as expensive. Under these conditions, Dr. Eckener, a pilot whose primary concern was safety and as Director…](https://sms4smile.com/quotes/john-provan/dramatically-but-helium-gas-was-10-times-as-expensive-under-these/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“completed. It had been designed by Albert Speer and alone”](https://sms4smile.com/quotes/john-provan/completed-it-had-been-designed-by-albert-speer-and-alone/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“he was all burned. He seemed dazed, not uttering a sound. His eyes were staring straight ahead. Two guards”](https://sms4smile.com/quotes/john-provan/he-was-all-burned-he-seemed-dazed-not-uttering-a-sound-his-eyes-were/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) ## More by John Provan > [“always kept at the same level, insuring the work was proceeding”](https://sms4smile.com/quotes/john-provan/always-kept-at-the-same-level-insuring-the-work-was-proceeding/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“completed. It had been designed by Albert Speer and alone”](https://sms4smile.com/quotes/john-provan/completed-it-had-been-designed-by-albert-speer-and-alone/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“dramatically, but helium gas was 10 times as expensive. Under these conditions, Dr. Eckener, a pilot whose primary concern was safety and as Director…](https://sms4smile.com/quotes/john-provan/dramatically-but-helium-gas-was-10-times-as-expensive-under-these/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“finished, the cells were translucent. Each gas cell was like a donut, with a small hole in the center, through which the central catwalk…](https://sms4smile.com/quotes/john-provan/finished-the-cells-were-translucent-each-gas-cell-was-like-a-donut/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“sq. ft. was naturally waterproofed, but given the size, temperature differences and weather effects upon the covering, leaks could occasionally occur and go un-noticed.…](https://sms4smile.com/quotes/john-provan/sq-ft-was-naturally-waterproofed-but-given-the-size-temperature/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“total of 1,599,640 man hours of labor went into the building of the LZ-129 “Hindenburg”. The price for technology is often measured in the…](https://sms4smile.com/quotes/john-provan/total-of-1-599-640-man-hours-of-labor-went-into-the-building-of-the/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“locations for joining the girder sections. The empty aluminum structure had a total weight of 56,368 kg, a figure which doubled, when all equipment…](https://sms4smile.com/quotes/john-provan/locations-for-joining-the-girder-sections-the-empty-aluminum/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“work. The official investigation began on Monday, May 10, 1937, with witnesses being called and Commander Rosendahl giving the”](https://sms4smile.com/quotes/john-provan/work-the-official-investigation-began-on-monday-may-10-1937-with/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“total of 1,599,640 man hours of labor went into the building of the LZ-129 “Hindenburg”. The price for technology is often measured in the…](https://sms4smile.com/quotes/john-provan/total-of-1-599-640-man-hours-of-labor-went-into-the-building-of-the-2/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“brought together and combining aft of frame 20. From there on, to the back, only 16 longitudinal girders continued. LZ-129 “Hindenburg”-ring layout: Ring 1)…](https://sms4smile.com/quotes/john-provan/brought-together-and-combining-aft-of-frame-20-from-there-on-to-the/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) > [“he was all burned. He seemed dazed, not uttering a sound. His eyes were staring straight ahead. Two guards”](https://sms4smile.com/quotes/john-provan/he-was-all-burned-he-seemed-dazed-not-uttering-a-sound-his-eyes-were/) [John Provan](https://sms4smile.com/quotes/author/john-provan/) [Explore all 12 John Provan quotes ](https://sms4smile.com/quotes/author/john-provan/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "“girders. All Zeppelins built thereafter would be constructed of this material. Apparently, some improvements were made in the Duralumin composition for LZ-129, increasing the strength by 20%. 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