Model NO.
7.8X7
OEM No
3r1b64514-2
Engine
4-6HP
Usage
Fishing, Ship Launching, Protection, Ship Docking
Design
OEM/ODM
Rotation
Right
Color
Black
Type
12 Tooth Spine& Thru Hub Exhaust
Transport Package
Carton Box
Trademark
YHX
Origin
China
HS Code
848710000
Production Capacity
1000 PCS/Month
Material:
Aluminum
Blades:
3
Certification:
ISO9001:2000, CE, BV, CCS, CCC
Diam:
7.8
Pitch:
7
Brand:
Matched for Tohatsu
https://cautop.com/store/yhxpropeller/
Product Details:
| Outboard engine | OEM part No. | blades | diameter | Pitch | R |
| 4-6HP 12 Tooth Spine& thru Hub Exhaust | 3R1B64514-2 | 3 | 7.8" | 7" | - |
| 3R1W64516-0 | 3 | 7.8" | 8" | - |
This information is critical to determining the correct propeller for your application:
1.3 Blades
A 3-blade propeller usually offer s top speed performance.
2. Diameter:
Diameter is the distance across a circle encompassing all of the propeller blades.
3. Pitch:
Pitch is the theoretical distance a propeller will move through the water of each revolution.
4. Right hand or left hand Rotation
In most cases, right hand propellers are used for single engine application and one left hand propellers are used for twin engine applications to achieve better steering control.
5. Cupped Blades:
This is a technique used to enhance the performance of propellers under certain conditions. A cupped propeller will exhibit very high efficiency at high speeds as well as minimize cavitation under heavy loads.
6. Rake:
Rake is special design feature. Positive rake benefits from normal bow lift to permit the use of a larger diameter propeller, while negative rake can provide extra blade strength for use in very high speed applications.
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