Hurricane 2026 – Legal for Science Olympiad B/C Helicopter Rules

Description Important! We cannot accept returns of any helicopter kits after March 1, 2026 due to an anticipated obsolescence of the helicopters event. Please plan accordingly. Hurricane kits complying with the 2025/2026 Science Olympiad Helicopters rules are now available. Meets two-rotor bonus and all dimensional requirements. Hurricane is a high performance 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 at 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 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, cautery, 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.