RC Boat Jet Pump Thruster 28mm Water Jet Propulsion Kit with Reversible Thrust for 3.18mm 4.0mm 5.0mm Motor Shaft DIY Assembly Set(Jet Pump,5.00)

Description

• High-thrust 28mm water jet pump with reverse function
• Stainless steel shaft with dual ball bearings for smooth performance
• Integrated water intake system for efficient motor/ESC cooling
• Compatible with 3.18mm, 4.0mm, and 5.0mm shaft motors
• DIY kit tailored for RC hobbyists perfect for 400600mm boats

28mm RC Jet Pump Thruster Kit for RC Boats Compatible with 3.18mm, 4.0mm, and 5.0mm Motor Shafts Optional Brushless Motor Combo

The kit features a stainless steel 4mm drive shaft, mounted with dual high-speed ball bearings for smooth, reliable operation. The jet body is molded from durable plastic, equipped with an automatic water intake to cool both the motor and ESC during high-load operation. A PC 26mm three-blade impeller, mounted with a fork and self-locking nut, ensures high-speed reliability and easy maintenance.

For easy customization, the set includes an aluminum motor mount (19mm/25mm bolt spacing) and a 4x3.18mm aluminum coupler, making it compatible with popular motors. Choose between pump-only or pump + motor configurations.

Note: This is a DIY assembly kit designed for experienced RC hobbyists. Ships as unassembled parts; requires assembly.

Specifications:
Pump Diameter: 28mm
Drive Shaft: 4mm stainless steel
Bearings: Dual high-speed ball bearings
Shaft Sleeve Outer Diameter: 9mm
Impeller: 26mm 3-blade PC propeller with fork + self-locking nut
Pump Body Material: Plastic
Motor Mount: Aluminum (bolt spacing 19mm/25mm)
Coupler: Aluminum 4mm to 3.18mm
Water Cooling: Integrated inlet for motor/ESC cooling
Compatible Motors: 550 brushed, 3650 brushless
Boat Length Compatibility: 400600mm
Functionality: Supports reverse thrust, includes anti-weed bottom guard
Package Options: Jet pump only / Jet pump + 3650 brushless motor

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