FingerTech Viper Vertical Spinner Add-On Size_24mm Placing top five at many

Placing top five at many large tournaments

(Download V4

5mm x 20mm

Six 6-32x0

Be sure to choose your kv for a reasonable tip speed to avoid burning out your motor

FingerTech Viper Vertical Spinner Add-On Size_24mm Placing top five at manyAdd a vicious vertical spinner weapon to your Viper Combat Robot! As of May 2025 this is the new R3 Vertical Addon. High speed Brushless Motor and Controller mated to a Clamping Drum with AR400 Steel teeth! Mounts on the existing Viper Combat Robot. (Requires modifying the original plastic armor, or buy a modified set here: Vertical Spinner Armor Set) No soldering required! Kit Includes: Drum Weapon: 28mm Clamping Drum with AR400 Steel Teeth Motor: