international spacemodeling competition - mila...
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International Spacemodeling Competition Flying for the United States of America
Trip Barber 1978, 1985, 2006, 2008, 2010, 2012, 2014 US Team Member 1
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What’s it all About?
• Measuring your modeling and flying skill against the best in the world
• Flying as a team, not just an individual • Representing the USA • Seeing other cultures and places with your
rocketry friends • Spending a lot of money and time!
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International Competition • Run by Federation Aeronautique Internationale (FAI) • Different rules and competition structure from US
– Rules often prescribe minimum rocket size/weight – About 25 international World Cups held each year
• In 18 different countries, one of them in the US • Great Lakes Cup (Oswego, IL) in June 2014
– World Spacemodeling Championship every 2 years • 2014 WSMC is in Kaspichan, Bulgaria August 22-30
• US participation is managed by the NAR – Team selection by flyoff at odd-numbered NARAMs – Two teams: Junior (18 and under) and Senior
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Members and supporters of the 2012 US Spacemodeling Team in Liptovsky Mikulas, Slovakia 4
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“Teammate” is a 24/7 thing
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U.S. Team marching in at the 2006 opening ceremony, one of the 23 participating national teams
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Grand finale of the 2006 opening ceremony at the Baikonur (Kazakhstan) stadium, with 10,000 Baikonur city residents in attendance
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The opening ceremony is different each time. The 2008 ceremony in Spain was indoors and featured costumed roller-skate dancers! 8
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Aerial view of a typical flying range (2006), with launch pads in a semicircle on the left and team prep tents on the right 9
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“Main Street”, the row of team tents at the flying range in 2006
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Inside the US Team prep tent in 2008 – each nation has their own and uses it from dawn until past dark every flying day 11
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Katherine Humphrey’s S1A Altitude model lifts off in 2006
The pads are very close together!
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U.S. Junior Team for S8D R/C Glider with their models in 2012 13
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The Russian Alexander Levykh, who won S7 Scale in 2006, 2010, and 2012 places his Soyuz model on the pad
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Alexander Levykh’s Soyuz flies to Gold in 2010
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Polish team loads S7 Scale models on their pads in 2006 16
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Not every one of the fabulously-detailed Scale models works in flight!
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Slovak girls who presented awards on the field in 2012 18
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They play the gold medal winner’s national anthem
at the awards for each event – here the U.S.
Juniors win S8 R/C Glider in 2010
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US Team (2006) on the Soyuz launch pad used by Yuri Gagarin in 1961 and still used today
The opportunity to tour interesting places is part of the experience
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US Team at the Soyuz booster assembly facility
Baikonur Cosmodrome 2006
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Buran Space Shuttle, with Team Manager John Langford and family, Baikonur Cosmodrome 2006
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FAI Spacemodeling • Rulebook is posted on the FAI website
– www.fai.org, CIAM (aero modeling) section – Section 4 of the FAI Sporting Code
• Comprehensive information is on the NAR website – “FAI Spacemodeling” section under the “Contest Flying” button – Includes all the “how to” material that exists in English
• Modeling techniques are based on use of very lightweight fiberglass, plastics and composites – Nobody uses balsa nose or spiral paper tube models
• Rocket motors that are competitive in most FAI flying events are made in Europe & not certified in the US – A disadvantage for the US Team except in S8 (R/C R/G)
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WSMC Events • Always the same 8 events (3 have options by age division) • “Tube events” using 40 mm x 500 mm models
– A Parachute Duration (S3A, in “FAI speak”) – A Streamer Duration (S6A) – A Helicopter/Autogyro Duration (S9A) – A or B Altitude (2-stage) (S1A or S1B) – with tiny altimeters
• Glider events with weight limits – A Boost/Glide (free flight) (S4A) – really free flight Rocket-Glider – D or E Radio-Controlled Rocket-Glider (S8D or S8E/P)
• Scale events – B or C Scale Altitude (2-stage) (S5B or S5C) – Scale (S7): the “prestige” event
• S2/P “FAI TARC” will be a demonstration event in 2014 24
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Model Construction
• Fiberglass used for body tubes – Formed over a male mandrel coated with mold release – One layer of tissue/mylar, one layer of 0.5-0.7oz glass cloth – “West Systems” finishing epoxy resin – 5-10 degree boat-tail depending on event – Small tube in tail to hold 10.5mm rocket motor
• Nose cone is fiberglass or vacu-formed plastic – Apogee makes plastic ones for sale
• Fins are 1/20 or less balsa, epoxy coated • Ejectable plug protects recovery device • A good airframe weighs <7 grams, with nose/fins
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Materials for making a fiberglass body 26
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Close-up of fins and boat-tail of S6 streamer model 27
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Flying an Event • All events are flown in 3 consecutive 80-minute “rounds”
– Duration events have a “max” time (score) per round – Only 2 models permitted – so a big recovery team is essential – Dethermalizing at “max” is popular with the recovery team! – Score = sum of 3 flights (best single flight for altitude)
• 3 people make up a national team for an event – Must share the launch lane, timers, and the hour in a round – Team score = sum of their scores – Unless every flight is perfect – no medal chance – Everyone else supports those who are flying – a team sport
• Everybody uses piston launchers, some with towers • Picking thermals is the key to victory in duration events
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Trip Barber loading his S6A Streamer Duration model in a piston-tower in 2006
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Competitive Designs • Light weight and perfect surface finish for everything • For streamer (S6A): brilliant origami and thermal-picking
– One-mil mylar streamer material with baked-in tiny creases
• For parachute (S3A): perfect deployment & dethermalizers • For boost-glider (S4A): variable (swing-wing) geometry • For helicopter (S9A): great blade design and light weight • For altitude (S1/S5): “flash tube” staging and piston launch
– Using 3-gram Polish “Adrel” altimeters
• For scale (S7): thousands of hours of work, molded parts – Only Saturn, Soyuz, or Arianes with multi-staging get places!
• For R/C glider (S8): superb flying and landing skills 30
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Streamer showing “accordion” and “scorpion” folds
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Russian swing-wing S4A boost-gliders 32
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Close-up of Russian S4A boost-glider 33
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Good European S9A helicopter model in flight
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Joining the US Team • Every team slot is won in a competitive flyoff
– Held the first weekend of odd-numbered NARAMs (i.e. next year) – More competitors than slots, but good new fliers can get on – Flown with US-certified motors only
• Team members must pay their own expenses – Typically ~$2500 plus models for Seniors – Juniors get about 2/3 subsidy from NAR & Aurora – Family members and others often travel with the team
• Once on the team, then the real work begins – The European fliers are good at FAI and the rules are different – Any good US competitor can succeed, but not easily
Come fly against the best in the world with Team USA! 35