Missouri Freedom 5 Blade Wind Turbine Generator (12 Volts) 1600 Watt Freedom PMG for efficient three phase power generation. <ul class="a-unordered-list a-vertical"> 3 phase bridge rectifier for converting to DC output. (see below for more specifics) Heavy duty hub spacer/stabilizer PMG mounting bracket and heavy duty Stars &amp; Stripes wind turbine tail <ul class="a-unordered-list a-vertical"> Mounting Bracket fits on 1.5&#034; schedule #40 or #80 pipe (1 7/8&#034; OD) and allows for easy turning Tail fin measures 9 3/4 inches wide x 28 3/4 inches tall <ul class="a-unordered-list a-vertical"> Cut from 16 gauge steel Hot dipped galvanized weather resistant finish Comes with 5 Generation 4 carbon fiber composite blades <ul class="a-unordered-list a-vertical"> Aerodynamically tapered blades for maximum output Raptor Generation 4 Blades are Made in the USA Assembled blades and hub make 61 inch swept area Overall assembled length: 37 inches Specifically designed for wind turbines Comes with a heavy duty rectifier &amp; hub spacer stabilizer 17 mm stainless steel shaft - compatible with all Missouri Wind and Solar hubs Polished aluminum case Zinc plated 14 magnet rotor and skewed stator core Fits delco bolt patterns and mounts up to our standard mounting bracket. 3/8&#034; Diameter bolt holes 1 15/16&#034; on center between mounting holes 5 7/8&#034; OD Width 6 5/16&#034; Tall Thickness: 3/16 in (4.76 mm) Diameter: 6 1/2 in (165.1 mm) Weight: 1 lb 7 oz (652 g)