HOTS Aerobatic Foam Board Kit – 900mm Wingspan

The HOTS Foam Board Kit is a precision laser-cut aerobatic model designed for advanced flight performance. With a wingspan of 900mm and an all-up weight of 585g, it is capable of high-energy aerobatics including rolls, spins, inverted flight, knife edges, and prop hangs.

The kit includes laser-cut foam and ply components, carbon tube reinforcement, pre-bent piano wire landing gear, and essential build hardware. Its lightweight yet rigid structure is optimized for strength and responsiveness. Compatible with standard 9g servos and common RC electronics, the HOTS is intended for experienced pilots looking to expand their 3D flying skills.

Specifications

• Wingspan: 900mm
• Length: 620mm
• All-Up Weight (AUW): 585g
• Dry Weight (DW): 478g
• Wing Loading (WL): 31g/dm²

What’s Included

• Laser-cut foam fuselage and wing
• Laser-cut ply firewall, landing gear mount, and control horns
• Carbon tubes (pushrods, canopy mount, elevator) with matching piano wire
• Pre-bent piano wire landing gear
• 3D printed wheel collars
• Main wheels and tail wheel
• Vinyl, velcro strap, and canopy hatch magnets
• Assembly instructions (downloadable from attachments tab)

What You’ll Need

• 4 × 9g servos
• Brushless motor (~800g thrust)
• 8"–9" propeller
• 30A ESC
• Battery
• Transmitter and receiver

Performance Notes

• Capable of advanced aerobatics: inverted flight, knife edge, prop hangs, spins
• Lightweight but rigid structure for strength and agility
• Responsive controls optimized for precision and 3D flight
• Designed for experienced pilots seeking high-energy performance

Difficulty Rating

• Build Difficulty: 2/5 (moderate build)
• Flying Difficulty: 4/5 (advanced flying skill required)

Includes:

• 1x HOTS Foam Board Kit (all laser-cut parts and hardware listed above)