Friday, July 14, 2023

Erection

Erection (pronounced ih-rek-shuhn)

(1) The act of erecting.

(2) The state of being erected.

(3) Something erected, as a building or other structure.

(4) In physiology, a distended and rigid state of an organ or part containing erectile tissue, especially of the penis when filled with blood.

1495–1505: From the Late Latin ērēctiōn- (stem of ērēctiō), the construct being erect + -ion.  The Late Latin erectionem (nominative erectio) was the noun of action from the past participle stem of erigere (to set up, erect).  Erect was from the Middle English erect, from the Latin ērectus (upright), past participle of ērigō (raise, set up), the construct being ē- (out) + regō (to direct, keep straight, guide).  The suffix –ion was from the Latin - (genitive -iōnis) and was appended to a perfect passive participle to form a noun of action.  Erection & erector are nouns, erect & erected are adjective & verbs, erecting is a verb, erectable is an adjective (and a noun in commercial use) and erectile is an adjective; the noun plural is erections. 

The meanings "the putting up" (of a building of other structure) and the "stiffening of the penis" are both from 1590s (the common acronym in physiology is flaccid).  In the early-modern medical literature, it was applied also when describing turgidity and rigidity of the clitoris but this use has faded.  The condition priapism (morbidly persistent erection of the penis) is from the Late Latin priapismus, from Greek priapismos (also "lewdness"), from priapizein (to be lewd) from Príāposi (in Greek mythology, a minor rustic fertility god, protector of livestock, fruit plants, gardens and male genitalia and most noted for his over-sized, permanent erection).  Priapism is not the desirable condition it sounds; if untreated, it will cause permanent muscle damage.  The rare forms nonerection, preerection & reerection are now generally restricted to technical documents and since the late nineteenth century have tended increasingly to be hyphenated, the other most commonly seen forms are erectile (often as an adjective applied to dysfunction), an 1822 borrowing from the French érectile and erected, the simple past tense and past participle of erect.

Modern ballistics

In astronautics, a transporter erector is a vehicle used to (1) support a rocket for transportation and (2) place a rocket in an upright position within a gantry scaffold from which they are launched.  They differ from transporter launchers which are mobile platforms from which (usually smaller, shorter-range, surface-to-air (SAM) and surface-to-surface (SSM)) missiles can be launched without the need of an external gantry scaffold or other structure.

Transporter launcher: Still in service, the 2K11 Krug is a Soviet-era medium-range, medium-to-high altitude surface-to-air missile (SAM) system.  The NATO reporting name is SA-4 Ganef (after a word of Yiddish origin meaning "thief" or "rascal").  The antiquity of much of the materiel used by the Russian military often attracts comment but military hardware sometimes hits a "sweet spot" in the search for the compromise between functionality, economy of production & operation and an admirable shelf life.  In the US inventory, both the Boeing B52 bomber (1955) and the Sidewinder air-to-air (AAN) missile (1956) remain in service and it's not impossible they may enjoy a hundred year life.

Transporter erector: Known internally at NASA as a “crawler” a transporter erector moves to Pad 39A the Saturn V rocket used for the Apollo 14 Moon mission, January 1971.

Getting it up: Kim Jong-un (Kim III, b 1982; Supreme Leader of DPRK (North Korea) since 2011) supervises the erection of his big Hwasong-14 inter-continental ballistic missile (ICBM), July 2017.

For the Hwasong-14, the DPRK used an eight-axle version of the WS51200 transporter, the largest of the WS series built by Wanshan Special Vehicles in China.  Interestingly, as far as is known, the Korean People's Army (KPA) is the only military using the WS51200, none appearing to be in service with the Chinese PLA (People’s Liberation Army) and it’s believed the DPRK obtained eight WS51200s in 2011, supplied as timber and logging transporters to evade UN sanctions.  The Supreme Leader also has a fondness for expensive German cars, the importation of which by the DPRK is also banned but a number have appeared in his garage.

The Supreme Leader's big missiles: Hwasong-14 ICBM with 8-axle transporter erector (left), Hwasong-15 ICBM with 9-axle transporter erector (centre) and Hwasong-16 ICBM with 11-axle transporter erector (right).

All else being equal, as the range of a missile increases, it becomes bigger and heavier.  Transporter erectors are thus built on an extendable chassis, permitting additional length and more tyres to support longer and heavier missiles.  Whereas in 2017 an eight-axle chassis was sufficient for the Hwasong-14, by the time the Hwasong-16 was on parade in 2020, eleven were needed.

Size matters: Mock-up of The Supreme Leader with 24 axle transporter erector. 

Like his grandfather Kim Il-sung (Kim I, 1912–1994; Great Leader of DPRK (North Korea) 1948-1994) and father Kim Jong-il (Kim II, 1941-2011; Dear Leader of DPRK (North Korea) 1994-2011), the Supreme Leader thinks big and had his ICBM programme continued to use liquid fuels, he would have been compelled to add more and more axles as size and range grew.  However, following the development path of both the US and USSR, the DPRK switched from liquid to solid-fuel propulsion which permits (1) downsizing, a reduction in the size & weight of the missile required for a given warhead, (2) a longer range, (3) the use of a shorter transporter erector, (4) a smaller number of support vehicles and staff during deployment and (5) a much reduced launch time because the several hours it takes to "fill 'er up" a liquid-fueled device are removed from the cycle.  The Supreme Leader had teased observers in 2021 when he revealed the development of a solid-fuel ICBM was "well-progressed" as part of the military's five-year plan.  A spokesman for the Pentagon said at the time they "were aware" of the project.  There's something about the term "five-year plan" which seems to attract dictators.   

First shown in February 2023 at the platinum jubilee (75th anniversary) parade marking the formation of the KPA in 1948, the Hwasong-18 three-stage, solid-fuelled ICBM was launched on a test flight the following April, a second undertaken in July, the highlight of which was promotional film clip issued by the foreign ministry.  Much as the technology of his big missiles has improved over the years, the Supreme Leader's video production crew have also honed their techniques and have evolved from James Bond style circa 1965 to something close to 1990s Hong Kong action movies with the addition of drone cameras.  The critics were generally impressed with the improvement although some suspected digital editing may have been involved but that's hardly a trick unique to the DPRK and a nice touch was the continued use of a narrator speaking with the same excited urgency of a DPRK newsreader.  One obvious hint of the advantage of solid-fuel configuration was the  being launched from the same 9-axle transporter erector as the shorter-range Hwasong-15 whereas the Hwasong-16 had demanded an 11-axle chassis.  Analysts note the DPRK's Pukguksong-5 submarine-launched ballistic missiles (SLBM) were solid-fueled and its assumed the ground-launched technology will be similar.

Hwasong-18 launch video.  All that can be hoped is that the next release includes multi-lingual sub-titles because the narrator is a star and his words deserve to be understood by all. 

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