Turning Point Boat Propellers

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About Turning Point Boat Propellers
Turning Point is a metallurgy company. 15 years ago they began producing propellers and are now one of the world's largest propeller manufacturers. With their background in metal, Turning Point has implemented huge improvements in propeller design. They use the latest metallurgy technologies, all new tooling, and aggressive designs to maximize propulsive efficiency. Propellers engineered to make a great boat better + Lifetime Hub Warranty.

Aluminum Propellers

Hustler Stainless Steel Performance at Aluminum Prices

Hustler aluminum boat propellers for 8 – 300+hp

Turning Point offers the best handling and cornering aluminum props available! The highly efficient design equals better fuel economy, better top end, faster hole shot, and excellent cornering and handling.

  • Tuned Vents for Fast Hole Shot - Vent holes in the prop barrel allow the propeller blades to spin faster at slower speeds. This give you more horsepower, faster acceleration and a faster hole shot. Turning Point is the only manufacturer that offers this race proven feature on aluminum props.
  • Performance Tuned Rake Angles - Higher rake angles tighten the vortex produced by the propellers, adding to boat lift and overall performance.
  • Squeeze Cast for Added Strength - Strong and stiff blade tips. Eliminates air bubbles in metal that make die-cast competitor's blades weak and inefficient.
  • High Flow-Through Barrel Exhaust System - Maximizing exhaust flow increases horsepower and top end speed.
  • Tuned Progressive Pitch Angles - Accelerating anc channeling water to minimize slip increases performance and fuel economy.
  • Long Lasting Powder Coated Finish - 5 step process creates a durable, high quality finish that protects the aluminum from corrosion better than competitor's painted finishes.

Four Blade Hustler No Faster Prop on the Water

New Four Blade Design is uniquely engineered with two blade geometries:

  1. 2 blades with high performance variable rake and aggressive pitch design for incredible hole hot and cornering.
  2. 2 blades with an offshore style design for high speed and maximum stern lift.
This combination gives you the highest performance aluminum propeller on the market. It offers all the benefits of 4-blade propellers without the usual top speed reductions common with other 4-blade designs. The improvements at mid-range, cruising speeds offer huge gas economy advantages.

Recent tests reveal that new Hustler Aluminum Propellers have up to 46% more reverse thrust over all competitive propeller designs.

When switching from a 3-blade to the Hustler 4-blade, use the same pitch unless you need to adjust your current wide open throttle RPM.

Stainless Steel Propellers

Express Industry Leading Stainless Steel Designs

Express stainless steel boat propellers for 9.9 – 300+hp

Combine Turning Point's innovative designs with quality metals and you've got an amazing propeller. Express propellers are made from 15-5 stainless steel. This metal gets harder and stronger with age.

  • Unmatched Durability and Longevity with Polished Finish
  • Reduces or Eliminates Prop Slip or Blow Out in Turns
  • Thin Blade Design Maximizes Top Speed and Fuel Economy
  • Tuned Vents for Fast Hole Shot
  • Aggressively Designed Cupping and Trailing Edges

Turning Point Hub System

Turning Point hubs feature a Lifetime Warranty. This is the only prop hub warranty in the industry. This hub system is engineered to hold up over time without spinning, cracking or failing during normal use.

Turning Point only uses the best materials. Glass filled mylon is molded over brass splines to give you a lifetime of use. The simple hub design eliminates failures commonly seen with multi-part "sleeve and spline" designs, and pressed-in rubber hub systems.

  • Reduce Gear Shock and Engine/Drive Damage - Shock absorbing high-tech polymer cushion.
  • Minimize Propeller Vibration and Chatter
  • Corrosion Resistant Brass Splines and Nylon
  • Ends Hub Cracking and Failure - The glass reinforced high-tech polymer construction increases flexibility, eliminating potential material stress fractures.
  • Save 20-30% on Future Replacements - Lifetime warranty hub kits are designed to be reusable even after most propeller impacts.

Changing your aluminum or stainless propller is easy with Turning Point's hub system. Each Hub's one piece design ensures simple housing replacement, making a prop change quick and easy.

Interchangeable Upgrade to Competitors Hub and Prop Systems
The Turning Point 500 Series hub kits are an interchangable upgrade for several other hub systems, including: Mercury® Flo-Torq®, Michigan Wheel® XHS® and Solas® Rubex®.

Turning Point Propeller Performance Test

Turning Point's superior aluminum props give you stainless steel performance at aluminum pricing. Not only does top speed, handling and hole shot improve, but also mid-range performance, which will save you a ton in gas usage.

Testing was done on Saratoga Lake, NY.
Boat type: 1996 Sea Ray 230 BR Signature Select
Boat engine: Merc Magnum 365hp MPI 454 7.4L Bravo One
Propeller Top Speed
WOT RPM Midrange Handling Rating Plane Time
OEM 3-blade SS, 23 pitch 45 4900 4K-36mph 2 12.0
OEM 4-blade AL, 20 pitch 47 5400 4K-36mph 3 10.0
Competitor A 4-blade AL, 21 pitch 44 4600 4K-39mph, 3.5K-36mph 3 14.0
Competitor A 4-blade AL, 23 pitch 46 4850 1 20.0
Competitor B 4-blade AL, 20 pitch 46 5200 4K-37mph, 3.8K-36mph 3 10.0
TP Hustler 4-blade AL, 21 pitch 51 4900 4K-40mph, 3.4K-36mph 5 10.0
TP Hustler 3-blade AL, 21 pitch 51 5200 4K-39mph, 3.8K-36mph 4 9.5
TP Express 4-blade SS, 21 pitch 51 4800 4K-43mph, 3.5K-36mph 5 9.0
Handling Score
  • 5 - Prop holds throughout turns
  • 4 - Ventilates after apex of the turns (slip, gain a few RPM)
  • 3 - Ventilates at apex of the turns
  • 2 - Light ventilation throughout the turns
  • 1 - Excess ventilation throughout the turns and after turns

Propeller Quick Search

Just start typing characteristics about your boat's engine. You can type in horsepower, model name, liters, year, etc.

Possible engine matches will be displayed below your search query. Keep typing to further narrow the list. Once you see the engine that most closely matches yours, select it using your mouse or the up/down arrow keys.

Select the pitch & rotation of propellers you wish to see, then click "Find Prop"

Where to Find Your Prop Pitch

Look on the outer hub of the prop near the blades or inside the hub.

Most props are stamped with a series of numbers.

Pitch is always the last number listed.

Example: 3 x 16 x 24.5R

3 - Number of Blades (occasionally displayed)

16 - Diameter

24.5 - Pitch

R - Direction of Rotation (R = Right/Standard, L = Left/Counter)

Pitch is stamped on the outer prop hub...   ...or
around the inner hub.
Prop Rotation

Props spin either clockwise (standard or right-hand rotation) or counter-clockwise (counter or left-hand rotation).

Most single engines use a standard rotation prop. Most twin engines use one of each.

To determine what prop rotation you have, look at your prop as if on a boat. Position a blade pointing straight up. If the right-hand side of the blade is closer to the boat than to you, it's a standard rotation prop.

Where to Find Your Propeller Part Number

Props are often stamped with both dimensions and a part number.

Look on the outer hub of the prop near the blades or inside the hub.

Numbers similar to 15 x 17 are the prop dimensions (diameter & pitch).

Those numbers are not your part number!

Part numbers resemble 031018, 48-11320A40, 2231-103-12, etc.

Look around the inner hub or on the blades.   15 1/2x17 is not the propeller part number!
About DuoProps

Volvo Penta DuoProps have a front and rear propeller that rotate back to back on the same drive. The front propeller is closest to the boat and hits the water first.

DuoProps have both a counter and standard rotation prop to eliminate steering torque. The front prop is always counter rotation. The rear prop is always standard rotation.

Volvo Penta DuoProps are each stamped with a size code (D2, F5, T9, etc) that is used to find a prop replacement. With this code you can replace either the front or rear pieces, or the complete DuoProp.

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Propeller Help Guide
P is for Propeller Propeller Basics
How To Choose A Prop
Diameter Pitch
Cupping Rake
Ventilation Cavitation

We tell you everything you need to know about props from cupping to ventilation.

Learn About Prop Characteristics Prop Characteristics
3 Blades VS. 4 Splines
Aluminum vs. Stainless Steel
Performance Exhaust
Left-Handed Props FAQ

If you want to modify your boat's performance, consider the above before making your selection.

Learn About Engine RPM Determining RPM's
Effect of pitch on RPM
Test for Maximum RPM

For safety and efficient performance, it is critical that your engine operates within the RPM range recommended by the manufacturer.