Helicopter 2013 Full Kit

This kit was designed specifically for Science Olympiad competition. It contains all materials to build two complete 30 cm span rubber powered helicopters. It contains laser cut, cambered ribs and fixtures to allow building symmetrical, warp free rotors in both clockwise and counter clockwise pitch configurations. It also contains covering cradles to aid in attaching the included Mylar to the completed framework. This year there is a four blade upper rotor option as well as Kevlar thread to reinforce the motor sticks. Step-by-step instructions help to insure success by even novice builders. There is an aerodynamics section to discuss how these helicopters work and what to look for to find increased success. These helicopters should build up close to the 3 gram minimum weight. Two bags of FAI Tan Super Sport rubber is also included (17 grams each of .125” and .140”). A winder (see below) will be necessary to maximize the energy stored in the rubber motor.

Helicopter 2013 Partial Kit

This includes only materials to build 2 additional helicopters. It does NOT include Mylar, fixtures, instructions or rubber. It does include the laser cut sheet providing ribs other small pieces, spars, motor sticks, 12” .020” piano wire and all other hardware included in the full kit (including Kevlar and O-rings).

Elastic Launched Glider 2013

Designed to meet “C” Division Science Olympiad specifications, an entirely new design this year. This kit includes materials to build 4 gliders as well as sanding drums in 2 grits and a two sided sanding block. It features special foam for flexible trailing edge flaps and includes a launcher. Substantial sanding will be necessary for championship results. Detailed instructions for building and flying are included. Finished gliders measure 30 cm wing span and 30 cm long.

This is considered a “flapper” design where the trailing edge of the wing is flexible and cambers into “flaps down” position at slow speed. Excess lift provided by a wing that flys well at low speed could cause a glider to loop upward during a hard launch. Flexible flaps allow the trailing edge to lift and straighten, reducing lift during the high velocity launch. Then when maximum altitude is reached the plane slows and the trailing edge drops to its normal “flaps down” position for a long elegant glide downward.

Extra Trailing Edge Flap Material

This is the same material provided in the ELG kit above. It is normally sanded to make it lighter and more flexible. This is a rather delicate procedure and if spares are needed, these four 039” x 2” x 11.5” strips can be good to have available.

Fun Science 2010 Kit – Middle School

Designed to meet “B” Division Science Olympiad specifications, and is a complete redesign from last year’s kit. This kit is based on the 2009 National Championship winning plane. It features sharp, drooped leading edges and laser cut ribs making it easier to build than previous models. This kit utilizes the maximum wingspan of 40 cm with a wide 15 cm chord. It also utilizes an extremely large horizontal stabilizer to enhance its flying qualities. These planes, when constructed and adjusted correctly (and flown in a LARGE building), should have well over 3 minute flight capabilities. This is a Science Olympad National Championship winning design.

This is a 2 airplane kit. It contains 2 fixed pitch Ikara propellers and all hardware to build top-notch competition planes. Easy to adjust and forgiving to fly. All wood carefully considered to yield enough strength and durability yet be built to minimum weight requirements when following instructions. It is packaged with ultra light Mylar covering and includes a covering cradle (fixture used to hold Mylar to allow easy application.) Custom cut rubber in 3 different widths is also included in every kit (enough for at least thirty 1.5 gram rubber motors).

Propeller Pitch Gauge

New and improved. Now constructed of basswood with a larger protractor to allow easier measurement of the broad blade propellers. Designed to be used with the Ikara propeller assemblies. Allows you to easily slip your propeller off of the airplane and onto this gauge. Used to accurately measure pitch (angle) of the propeller blades after bending the plastic hub. This is an important tool to maximize flight performance by matching your propeller pitch to the rubber band that you are using for the size of the building that you are flying in.

Ikara Propeller - 8 7/8"
(Legal for SO competitions)

Includes extra light propeller assembly weighing approximately 1.8 grams.  No shaving necessary!  Blade material is approximately .009" thick. Measures 8 7/8” diameter (22.5 cm) and can be trimmed with scissors to meet some competition rule requirements.  Hub can be bent with pliers to alter pitch.  This is the same propeller that is included in the kits above.

2 Propeller Kit - Ground Adjustable with Hardware

This kit will allow you to cut your own blade profiles from pre-cambered .010” plastic and glue them to wooden toothpick spars that are friction fit into a center hub. This allows the ultimate in freedom to experiment and discover what works best for your airplane. Also included are all mounting hardware (including propeller hangers) and Ikara hub to allow building custom fixed pitch versions. Depending on your blade profile, entire assembly will weigh from 1.4 – 2 grams. ATTENTION: "Wright Stuff" event director has interpreted the propeller rules as meaning commercially "ASSEMBLED". He now has deemed these propellers as an unfair advantage and are therefore illegal for "Wright Stuff" competition. Much can be easily learned with these propellers that will directly apply to becoming a champion in this event. These kits come with all mounting hardware (including nose hangers) to make them useable on other models as well.

Nose Buttons (Rotor Shaft Support Bearings)

These are the same plastic pieces that are used with the Ikara propeller assemblies. Each weighs .115gr and slides into the front hook to allow easy removal of the upper rotor (or propeller). A tiny glass bead is included with each to help reduce friction..

Piano Wire (.020”)

This thin wire is used to make prop, rotor shafts, and extensions. Each piece is .020” diameter and is 12” long. It can easily be cut with wire cutters and bent with needle nosed pliers.

Custom Cut Rubber - 17 gram bag

Specify width such as .140” for helicopters (same as the heavier rubber included in our kits) or 083”, .088” or .093” for airplanes. Deviations in width always occur when custom cutting rubber. Differing interpretations in measurement are also possible; however care will be taken to match your needs as closely as possible. 17 grams of FAI Tan Super Sport (enough for as many as ten 1.5 gram motors.)

Helicopter Rubber

20’ Long Collapsible Fiberglass Pole (43” collapsed)

These collapsible poles have 6 sections to telescope out to approximately 6 meters. They were originally manufactured for crappie fishing rods but are perfect for model retrieval to dislodge planes from the rafters or basketball goals. Their approximate wall thickness of the segments is .032” with a maximum pole diameter of 1.25”.

31’ Long Collapsible Fiberglass Pole (43” collapsed)

These collapsible poles have 10 sections to telescope out to approximately 9.5 meters. These poles are much more durable and have a wall thickness of approximately .063”. They weigh nearly 4.5 pounds with a maximum pole diameter of 1.88”.

Special Orders

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