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SCIENCE OLYMPIAD
Wright Stuff – B
2009-2010
Matthew Chalker & CeAnn Chalker
[email protected] [email protected]
Wright Stuff Basics
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Allowed 2 Ultra light aircraft built and tested
prior to competition
Flown indoors
Timed for duration aloft
No Impound
Aircraft to be labeled with team’s
identification name & number
Must be a monoplane with single propeller
assembly
Wright Stuff Basics
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Allowable Materials
Wood, paper, plastic film covering, carbon
fiber, and glue
 Thread, wire, plastic tubes & rubber bands
may be used to attach major components
 Any dense material for ballast
Flight log for 10 previous flights before
beginning their test flights at competition
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Power for Plane
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Plane launched from hand
Plane powered by wound rubber
band
Uses a propeller
Building Specifications 
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Total mass of plane must be at least 7.0
grams (without rubber motor)
40.0 cm max horizontal projected wing
span
maximum wing chord – no limit
28.0 cm max horizontal projected
stabilizer span
maximum stabilizer chord – no limit
Building Specifications
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Propeller
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Single two-bladed commercially made
plastic propeller
Maximum diameter of 20.0 cm
Trimming, shaving, twisting allowed
Rubber Motor
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1.5 grams maximum mass (includes Orings)
Only 1 motor per flight allowed
Flight Log
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6 parameters for 10 previous flights prior to competition
3 required parameters
 Motor size before windup
 Winds on the motor at launch
 Flight time
3 Additional parameter examples
 Turns remaining at landing
 Estimated peak flight height
 Estimated flight path diameter
 Torque at launch
Competition
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8 minutes to launch their 2nd flight after their
1st declared official flight begins
Motors impounded after check-in, are
available only for official flights
Teams must declare before any launches
during the 8 minutes if it is an official flight or
a trim flight. If not declared any launch will
be considered official.
Competition
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During 8 minute Flight Period teams may:
 Make adjustments & repairs
 Launch trim flights
 Qualify additional motors
Timing will be to the hundredth of a
second
Timing ends when any part of plane touches
the ground or comes to rest on any
obstructions (even if prop continues to
rotate)
Competition –
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Competitors only allowed in testing/flight
area
Test flights allowed throughout competition
at the discretion of the Event Supervisor,
ending at least by the last 30 mins. of the
tournament
Test flights will yield to official flights
Multiple aircraft may test fly at once
Scoring 
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Winner is team with the longest flight
time for any single flight
Ties broken by second flight time
Bonus – WS
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State – 30% of the flight time will be
added if the plane’s wing chord
measures less than 7.0 cm
Nationals – 40% of the flight time will
be added if the plane’s wing chord
measures less than 6.0 cm
Deductions & Violations –
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Flight Log discrepancies
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Incomplete flight logs will have 10% of the
flight time deducted from each flight
No flight log will have 30% of the flight
time deducted from each flight
Rule Violations without a specific
penalty will be ranked after all teams
that do not violate the rules
Resources & Supplies
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Resources
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indoornews.com
indoorduration.com
Yahoo Groups –
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Wright Stuff
SO website
Supplies on line
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F1D.biz
FAImodelsupply.com
Additional Resource
Matthew Chalker
[email protected]