Skydiving,Used,AfterWorld,War, sports Skydiving As It Used To Be
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AfterWorld War Two a skydiving club was established at Thruxton airfieldnear Andover in Hampshire, southern England. The British skydivingClub used old (even then) Jackaroo biplanes, ex military parachutesand the club members were pioneers who would go on to found otherskydiving clubs, become National Coaches and so on.Todaywe're quite familiar with square parachutes that glide and performlike a hang glider, indeed it's possible to strap an engine tosomeone's back with a propeller in a cage, attach a modern squareparachute to their shoulders and hey presto they can fly. We're alsoaccustomed to the idea of buddy jumps where a would-be skydiver, orsomeone who just wants a one off experience can be attached to thefront of an experienced jumper and do a minute's free-fall fromtwelve thousand feet on their first jump, often their only jump forthe 'I've done that' box ticking character.Thebuddy jump is only possible because these days reserve parachutes areworn on the back as well as the main parachute, which hastraditionally been worn there, this in turn is a result of parachutesgetting smaller and lighter, making it possible for two to be wornmounted one above the other in a tandem rig as they were originallycalled. No need to differentiate today, all kit is like that.Notso long ago all parachutes were round, heavy and bulky and reserveparachutes were worn on the front of the body. Strangely parachutingas a sport may even have peaked in the nineteen seventies, when thiswas still largely the case. In the early nineteen seventies theParafoil square parachute became available and even triangularparachutes based on the Rogallo wing were experimented with, whilstother companies developed the high performance round with an invertedapex, extended high pressure area and a myriad of slits, holes andcontrol lines.Noneof these designs was a hundred percent certain to open withoutmalfunction, so skydivers used a plain round reserve that was morethan ninety nine percent reliable! The first commercially successfulsquare parachute was the Strato Star, later followed by a largerversion, the Strato Cloud. Early 'Stars' had a reefing system usinglines and rings around the periphery to control the potentially backbreaking opening shock. This was also a complexity that could lead toa malfunction and it was ordinary sport jumpers who pioneered the useof a slider which slid down the rigging lines as the parachute openedto control the opening sequence.Theslider itself could cause a problem if too large or too small andsliders with holes in and various designs were experimented withuntil reliability was achieved. Today, sport jumpers use squarereserves and are happy to wear them on their backs, where they cannotsee them, nor reach them with their hands, so reliable has theequipment become.Inthe nineteen seventies experienced sport parachutists generallyjumped high performance rounds and by the end of that decade prettymuch all of them were jumping squares, all students however were still jumping rounds, usually ex military kit even then. Experiencedjumpers on squares still trusted to round reserves. The acceleratedfree-fall course hadn't been invented and the sponsored jump forcharity was a new trendy innovation.BothBritain and America had a plethora of sport parachute clubs and therewere quite a few in Spain, France and elsewhere in Europe not tomention Australia and elsewhere. The British Parachute Club atThruxton did not survive but the RSA Parachute Club moved to Thruxtonfrom Blackbushe airport and at it's peak in the mid seventies trainedas many as seven thousand new jumpers a year quite something giventhe British weather. The other full time club at Peterborough almostcertainly did similar numbers and before long there was a third fulltime club at Headcorn in Kent as well as weekend only clubs spreadaround the country. For an in depth understanding of the skydivingscene in the nineteen seventies get a copy of the book 'Of Land, SeaAnd Sky'. Article Tags: Square Parachute, Nineteen Seventies
Skydiving,Used,AfterWorld,War,