Roban 700/800 Size Main Shaft B, 12mm "Advanced" SAFE technology makes flight with

SAFE technology makes flight with a collective pitch helicopter easier

Functional flaps for shorter takeoffs and slower landings

Version Note:  This is the 8S version which comes with a 90mm 12-Blade EDF 8S Power System with a 4075-1390kV inrunner brushless motor and 150A ESC

1V 1800 - 2200 mAh LiPo battery or 4S 14

2000mm Spitfire Retracts and Struts from Black Horse - BHSF022

Roban 700/800 Size Main Shaft B, 12mm "Advanced" SAFE technology makes flight withMain Shaft B, 12mm For Select 700 800 Size Roban Helicopters from Roban RBN 70 019 V2 Note: This Main Shaft B is for the following 700 800 Roban Helicopters: Bell 407 Bell 429 UH 60 UH 60J