18-3700 Sierra Mercury Prop Nut
$10.00
Propeller Nut for Select Mercury / Mercruiser Applications
Description
Propeller Nut
Fits the Following Motor Applications:
- Mercury Outboards
- 40/50/60 4-Stroke / Bigfoot / Command Thrust
- 40/60 Sea Pro / Marathon
- 65HP Model 650
- 70HP (1987-1989)
- 75-300 hp
- Mercruiser Sterndrive
- Alpha One
- Bravo One
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 1 × 1 × 1 in |
Specifications
| Manufacturer: | Sierra |
| Part Number: | 18-3700 |
| Material: | Bronze |
| Type: | Nylock |
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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