The Hoffman Storm 70 Electric Ducted Fan is presented to the customer in a completely assembled and balanced package. EDF comes ready to run with installed Beast 4130Kv brushless motor

Electric Ducted Fan EDF Storm 70 Manufacturer Hoffman Power Input (W) 1200-1800 Fan Swept Area 25.2 sq.cm. Static Thrust (lbs./g) 4.3/1950 Max Efficiency 78% Max Rpm 60,000 Shroud Diameter 74mm Inside Diameter 72mm Shroud Length 58mm Overall Length 168mm EDF Material Nylon Composite Rotor Type/Material 4 Blade/Nylon Composite Ducted Fan Weight 228g w/Motor Motor Diameter 36mm Motor Shaft 5mm

Model Type	Model Name	Motor	Controller	Battery Pack	Trust/Power/A
EDF 70	Sapac T-45 Comp	Beast 4130Kv	Platinum 100A	TP3850 5S Li-poly	-/1800W/105A
EDF 70	Sapac L-39 Comp	Beast 4130Kv	Jeti Spin 66	TP3850 4S Li-poly	-/1200W/75A

Introducing the world's first Powered EDF integrated outrunner fan!

The "Storm" series is comprised of new innovative powered EDF fans that are actually dynamically balanced motors and fans in one with special cooling and structural features that are patent pending.

The "Storm 70 Powered EDF Series" can produce up to 4.3 lbs. (1950g) of thrust on 3 to 5 cell Lipos. High temperature neodymium magnets are integrated into the replaceable rotor that can spin over 54,000 rpm.

Hoffman Magnetics products are designed and assembled in Chatsworth, California USA.