PowerTech! ELD3R21 Propeller

3 Blade Stainless Steel Propeller 13.25 x 21 Right Hand Rotation

Extreme Value Price Point! – High Performance Value Line Only Available in Right Hand Rotation & Limited Pitch Selection.

The PowerTech! ELD3 is a lightly cupped propeller with moderate rake for good lift and excellent overall performance.  It’s Square Hub Design is compatible with both Michigan Wheel XHS II and Mercury Flo-Torq Hub Systems.

OEM Equivelant Blade Design to the OMC SST Propeller Series

 Light Cupping  Moderate Rake Mirror Polish Finish

SKU: ELD3R21 Category:

Description

PowerTech! is an American owned company that specializes in the design, manufacture, and sale of both stainless steel and aluminum propellers for the marine industry.  Along with the largest selection of stainless steel propellers in the industry, PowerTech! is known for quality, performance, and innovation.

Special Features:

  • Highly Polished – High Strength Stainless Steel Alloy
  • Performance Blade Geometry
  • Cupped Trailing Edge for Grip
  • Moderate Rake Angle (Good Lift)
  • Square Hub Design that is compatible with  Michigan Wheel XHS II & Merc Flo-TorqII Hub Kits
  • Urethane cushioned hub (protects your lower unit from damage)
  • Flared Hub Design (prevents ventilation blow-out)
  • Limited lifetime warranty

Exchangeable Square Hub Systems absorb impact and stress caused by shifting gears. The urethane cushioned hub is designed to spin under significant impact, reducing the potential for costly lower unit damage. These Hub Systems removable by the boat owner thus reducing costs if the propeller needs to be replaced or upgraded! Next time you need a propeller you can reuse your existing Hub Kit.

Sizes are listed as Diameter (inches) x Pitch (inches)

Additional information

Weight 12 lbs
Dimensions 17 × 17 × 8 in
Rotation

Specifications

 

Material
Material: Stainless Steel
Finish: Mirror Polish
Size
Diameter: 13.25
Pitch: 21
Style
No. of Blades: 3
Rotation: Left Hand
Hub System: Square Hub
Manufacturer
Manufacturer: PowerTech!
Model: ELD3

 

Prop Basics

Propeller Basics

  • Diameter
  • Pitch
  • Cupping
  • Rake
  • Ventilation
  • Cavitation

Propeller Characteristics

  • 3 Blades or 4?
  • What’s the advantage of a left-hand prop?
  • How do wheel diameter, pitch, and slip affect performance … and how is it measured?
  • What is the difference between thru-hub exhaust, over-hub exhaust, and non thru-hub exhaust?
  • Aluminum vs. Stainless Steel?

Determining RPM

  • Determine your Wide Open Throttle (WOT) RPM
  • Test for Maximum RPM
  • RPM Higher Than Recommended
  • RPM Lower Than Recommended
  • Effect of Prop Pitch on RPM

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