Description

Warning: this is a complex model which requires the correct assembly of a set of detailed jigs which are used to frame up the rotors. If you are not already getting at least 75 seconds from a Tornado, do not attempt to build this model.

Hurricane kits complying with the 2025/2026 Science Olympiad Helicopters rules are now available. Meets two-rotor bonus and all dimensional requirements.

Hurricane is the ultimate solution for the Science Olympiad Helicopter Division B and C rules. It builds to a rotor diameter of roughly 13.5 inches by fitting diagonally in the compliance box. Most models build to 3.6-3.8g and can produce flight times of well over 2 minutes a 4 grams. Includes precision assembly jigs and parts for 2 complete helicopters and Tan Supersport rubber. The rotors utilize special jigs to establish the correct helical blade twist. Our 2025/6 check-in box meets the specs for the draft rules.

Hurricane 2026 Build Manual V1

IMPORTANT: Old straight rotor Hurricanes use THIS PAGE.

Tools/materials required: rubber lubricant, winder, CA glue (or Duco/Ambroid/Sigment), 3M-77 spray adhesive, vaseline, razor blades, sandpaper, ruler, scissors. Don’t forget a Check in Box!

Optional: Torque meter, turns counter (volareproducts.com), scale, forceps. 

Recommended replacement rubber is 1/8″ rubber strip.

Basic flying notes: Don’t expect much of a climb until you’ve hit 300-400 turns. Full power is around 800-1000 turns typically. Make sure the rubber is well lubricated with silicone oil and that you are stretching the rubber 4-5 times relaxed length, winding in half of the turns before working your way in.

 

J&H Aerospace is not affiliated with Science Olympiad; this product listing does not constitute an endorsement by S.O.