Autostream S1/S2 3 blade


  • New blade design is up to 20% more efficient than previous models
  • Use of Duplex 2507 for the blades allows a very thin cross section, while retaining great strength
  • Body components cast in 316L
  • “O” ring seals on the blades and main gear hub to prevent loss of grease
  • Simple screw and locknut pitch adjustment can be adjusted easily, even while in the water
  • Independent ahead and astern pitch adjustment, allows optimum ahead pitch and fine reverse pitch for maximum thrust and minimum “prop walk”
  • Dual blade bearings support the blade either side of the gear for increased rigidity
  • Oversize dowels locate blade assembly and transmit driving torque
  • 6 x 8mm cap head screws lockwired in place for security provide a very robust construction
  • Sacrificial zinc anode tail cone with stainless steel core. A single Nylok nut makes in water replacement easy
  • Dual permanently fitted grease nipple/”zerk” lubrication points, enables easy in water lubrication of all bearing areas (required annually)
  • No expensive specialist greases required
  • User replaceable Delrin and nickel aluminium bronze bearings throughout
  • Five-year warranty against material and manufacturing defects
  • Range covers 15” to 20” for engines up to 80hp/60Kw
  • Unique fail-safe cushion hub. User replaceable if the need arises in years to come
  • Unique shaft nut and locking screw arrangement prevents the possible loss of propeller
  • Standard SAE 16/32 spline suits Bukh, Volvo, Yanmar and others.


Each propeller supplied with:

  • Comprehensive Owners Manual
  • 2 hex keys for pitch and body screws
  • Spanner/wrench for pitch screw lock nuts
  • Cartridge of grease
  • Spare zinc anode
  • Spare set of “O” rings
  • Stainless steel locking wire
  • Stainless steel shaft nut and locking screw
Category: Product ID: 3288


Feathering Propeller Features :

  • Strong reverse thrust better than a folding or fixed blade propeller
  • All major parts cast in 316 and 2507 stainless steel
  • Easy to replace bronze and acetal bushes
  • S2 model has a rubber insert to absorb shocks and can be replaced
  • Simple external pitch adjustment
  • Sizes from 15 to 20 inches diameter
  • Rated for up to 75 horse power
  • S1 model fits taper shafts up to 1-3/8 inches diameter
  • S2 model fits 17 Spline Sail drive shafts like
  • Volvo 130/150 and Yanmar SD20 SD31 SD50 SD60
Price List S1 Autostream Shaft drive feathering propeller manual S2 Autostream Sail drive feathering propeller manual Autostream Feathering Propeller flyer Check your S1 propeller blade angle is 18 degrees Check your S2 propeller blade angle is 18 degrees Read the Yachting Monthly propeller test S1 Autostream fitting template S2 Autostream fitting template