Check the listing for details. Lynx Heli Spider 73 FPV Racing Inductrix Frame Kit Red RC Quadcopter Mini Drone. Color: Red, Condition: New. Listed at 14.99 USD. The Lynx Heli Innovations Spider 73 FPV Drone Racing 3D Printed Frame Kit is a unique concept for pilots looking for a slightly larger version of the popular 65mm drones such as the Inductrix FPV, & TinyFPV. After months of testing, and many concepts, Lynx has designed the Spider 73 to provide pilots with a sturdy and stable platform, who also love flying micro sized FPV quads. Features:Larger 73mm DesignSupports 7x20mm motorsDesigned for improved mechanical strengthImpact resistant materialsChemical Treatment added after printing process to solidify all parts.Quick assembly with minimal hardwareEach part is quick and easy to replaceCompatible with all Inductrix, and TinyFPV Flight Controllers3D Printed Materials offer lower vibration threshold transmitted to the flight controller