Helicopters 2017 key

Science Olympiad
Helicopters 2017
Vic Nippert AMA 7999
Helicopters are not new !
Basic Helicopter
2- counter rotating rotors with hooks and
bearings
1- Motor stick
1-Rubber Band Motor
HELICOPTERS
Sample Helicopter Measurements – 2017
The helicopter pictured here is only one possible configuration that satisfies rules.
Flat balsa wood disk large
enough to cover a dime is
uppermost part (3.c.)
Maximum diameter
of 20.0 cm for multibladed rotors (3.f.)
Total mass of
helicopter excluding
rubber motor is at
least 2.5 g (3.e.)
Helicopter
labeled for easy
identification (3.j.)
Rubber motor of
any mass must be
detachable from
helicopter (3.i.)
Maximum radius of 12.5 cm for
single-bladed rotors (3.g.)
SCIENCE OLYMPIAD HIGH SCHOOL (C-01)
Up to three fixed
pitch rotors with no
limit on number of
blades or their
chord (3.f.)
Balsa Wood
DensityChart
Grain cuts
from Balsa
Logs
Very Stiff
Some flex
Flexible
Basics for Building
Glues of various types
Sand paper
Pliers
Drafting tape
Balsa Plane and stripper
Pins
Sandpaper various grades
Scale
Pencils, pens
Razor Blades
Wax Paper or Saran Wrap
Patience !
Jigs for building
rotors
Jigs for covering
materials
Carpenter’s
Glue +
H20 50/50
Spray
Adhesive
Covering Jig
Mylar
Condenser
Paper
Japanese
Tissue
Grocery
Bag
Rotor covered and ready to go !
2013
2017
Example of a Freedom Flight Kit
Some Present Suppliers and Sources for WS and
Helicopters
2016-17
indoornewsandviews.com archives and downloads
www.soinc.org Home Page for Science Olympiads, WS Event
construction tips- Chuck Marcos
modelaircraft.org
National Academy of Model Aeronautics
indoorduration.com
freeflight.org
National Free Flight Society website
hippocketaeronautics.com
amaflight school
go to Builders Forum under F/F Indoor
DYI activities
Materials,etc..
sigmfg.com
balsa wood, glues, etc...
faimodelsupply.com indoor bearings, props ,kits rubber
indoorspecialties.com Ray Harlan
freedomflightmodels.com
EVERYTHING for Sci Oly flying events !!!!!!
freeflight.org NFFS DVD’s “Building and Flying an Indoor Model
Helicopter “ and “Building and Flying an Indoor Model Airplane “ also,
“Double Whammy “ article and full size plans by Chuck Marcos
Lasercutplanes
Easy model for WS, “Vanguard “
Retrorc.us.com “Minnow” model, winders,rubber