Jetrader - September/October 2009 - 39

It took a crew of consider able siz e get the R101 al to of t. The R10 0 through passing Toronto . airship n of t he skeleto . ing The hulk of the R101 sh R100. The ﬁrst was the gifted chief of the cra t ha t was all remaine d af t er Once a symbol of Germany’s dominance, the Hindenburg completes a tour of the 1936 Olympics in Berlin as depicted in this propaganda painting. design, Barnes Wallis, who would go on to design the geodesic structure of the twinengine Wellington bomber—the ingenious rotating (bouncing) bombs that were used to breach the Eder and Möhne dams in May 1943—and the 10-ton earthquake bomb with its 1.2 mach terminal velocity. As a quick aside, my forrmer wing commander, Willy Tate, used one to ﬂip over the battleship Tirpitz, entombing some 2,000 men. When I was posted to his station for my mandatory National Service in 1951, he was known as Tirpitz Tate. The chief calculator (stress engineer) was Nevil Shute Norway, who rship. of the R100 ai eventually dropped Norway A line dr aw ing as the author of some 26 novels, of which seven were eventually made into ﬁlms. In 1930, a crew with Shute successfully ﬂew the R100 (called the Capitalist Airship) to Canada and back. After the R101 disaster, it never ﬂew again and was broken up for scrap. That was the end of Britain’s plan to use airships on routes where aircraft had insufﬁcient range with an economic payload. During all of this upheaval, the R101 (called the Socialist Airship) was turning into a proverbial camel by a committee trying to design a horse. The stress engineers had designed the structure with a twotimes factor of safety, giving a disposable payload of 60 long tons with a total lift weight of 150 tons and empty weight of 90 tons. However, the Air Ministry insisted on a structural factor of safety of three, which, with the resulting increase in framework, reduced the payload by some 25 tons. The gas capacity was marginal to begin with, and the now-extra frames meant smaller ballonets. As a result, extra length was added, but the horizontal stabilizers would prove to be inadequate in controlling pitch. Furthermore, unlike the ballonets in the R100, which were restrained by Wallis’s geodesic wire nets, those in the R101 were unrestrained and could surge fore and aft in turbulence to aggravate the already marginal pitch control. Poor location of the gas valves caused leakage of the highly ﬂ ammable hydrogen into the envelope, though ventilation vents provided a constant ﬂow of air. Jetrader Jet ader 3 Jetrader 39 r

Jetrader - September/October 2009

Table of Contents for the Digital Edition of Jetrader - September/October 2009

Jetrader - September/October 2009
A Message from the President
Contents
Calendar/News
Q&A
Reaching for the Sky
Processing Paris
Looking Long-Term at Global Aviation
From Trashed to Treasure
Jetliners Parked and Available
Aircraft Appraisals
From the ISTAT Foundation
Aviation History
Advertiser Index
Jetrader - September/October 2009 - Jetrader - September/October 2009
Jetrader - September/October 2009 - Cover2
Jetrader - September/October 2009 - A Message from the President
Jetrader - September/October 2009 - 4
Jetrader - September/October 2009 - Contents
Jetrader - September/October 2009 - 6
Jetrader - September/October 2009 - Calendar/News
Jetrader - September/October 2009 - Q&A
Jetrader - September/October 2009 - 9
Jetrader - September/October 2009 - 10
Jetrader - September/October 2009 - 11
Jetrader - September/October 2009 - Reaching for the Sky
Jetrader - September/October 2009 - 13
Jetrader - September/October 2009 - 14
Jetrader - September/October 2009 - 15
Jetrader - September/October 2009 - Processing Paris
Jetrader - September/October 2009 - 17
Jetrader - September/October 2009 - 18
Jetrader - September/October 2009 - 19
Jetrader - September/October 2009 - Looking Long-Term at Global Aviation
Jetrader - September/October 2009 - 21
Jetrader - September/October 2009 - 22
Jetrader - September/October 2009 - 23
Jetrader - September/October 2009 - 24
Jetrader - September/October 2009 - 25
Jetrader - September/October 2009 - 26
Jetrader - September/October 2009 - From Trashed to Treasure
Jetrader - September/October 2009 - 28
Jetrader - September/October 2009 - 29
Jetrader - September/October 2009 - Jetliners Parked and Available
Jetrader - September/October 2009 - 31
Jetrader - September/October 2009 - 32
Jetrader - September/October 2009 - Aircraft Appraisals
Jetrader - September/October 2009 - 34
Jetrader - September/October 2009 - 35
Jetrader - September/October 2009 - 36
Jetrader - September/October 2009 - From the ISTAT Foundation
Jetrader - September/October 2009 - Aviation History
Jetrader - September/October 2009 - 39
Jetrader - September/October 2009 - 40
Jetrader - September/October 2009 - Advertiser Index
Jetrader - September/October 2009 - 42
Jetrader - September/October 2009 - Cover3
Jetrader - September/October 2009 - Cover4
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