BOWREX · Deployable External Bow Thruster System
A deployable mini tug for your bow.
BOWREX is a deployable mini tug for sailboat bows.
It provides short, controlled bow pushes during docking, without hull drilling or permanent underwater installation.
Carry it on board. Deploy it when docking. Retrieve it after use.
Designed for sailboats up to 42 ft.
BOWREX Size Views
Click a thumbnail to view the full-size dimension image.
Product views of the 3D printed structural housing for the deployable external bow thruster platform.
What BOWREX is
Compact on deck. Serious at the bow.
BOWREX is the complete deployable external bow thruster system for sailboats — a compact mini tug concept for the bow with propulsion, control, and deck-handling functions. It is not a toy and not a light accessory. It is designed to provide useful short-burst docking assistance for sailboats up to 42 ft.
Deployable Mini Tug
A simple way to understand BOWREX: a functional bow-side mini tug system carried on board and used only when docking.
Serious Short-Burst Thrust
Built for brief, controlled pushes that help move the bow in tight docking and undocking situations.
Main Thruster Housing
The core working body. If you buy only one printed part, start here.
Simple supply structure
Start with the housing. Add only what you need.
The BOWREX Platform keeps the build flexible. It is the printed structural foundation used to build a complete BOWREX system. The Main Thruster Housing is the core printed part, and other printed parts, control components, manufacturer-sourced propulsion parts, and builder-selected boat items are added around that core.
BOWREX supplies
- Main Thruster Housing
- Optional printed accessories
- Smart Controller Board
- Manual Throttle
Manufacturer-sourced parts
- Motor
- ESC
- Anti-Spark Switch
- Propeller
- Remote Controller
Builder-selected items
- Battery
- Hoisting rope / line
- Wiring and fasteners
- Deck hardware
- Finishing materials
The Main Thruster Housing is the core of the BOWREX Platform.
The printed platform starts there. A complete BOWREX system is built by adding the propulsion, control, deck-handling, protection, and boat-specific setup around that foundation.
System overview
One clean system, built around the core housing
This area is reserved for the final simplified complete system diagram. Use one clean diagram showing the BOWREX Platform, BOWREX-supplied parts, manufacturer-sourced components, builder-selected items, and the basic connection flow into a complete BOWREX system.
Show how a complete BOWREX system is built around the BOWREX Platform and Main Thruster Housing.
Optional add-ons
Optional parts that improve the deployable mini tug
These parts are helpful, but they are not the core. Their job is to improve convenience, handling, efficiency, protection, and overall refinement.
Upper Lever Arm
Helps reduce unwanted housing rotation and improves handling geometry during deployment.
D-Shaped ESC Box
A cleaner enclosure for carrying, storing, and organizing ESC-related components.
Pulley Hoisting Handle
Makes lowering, holding, and retrieving easier. It is for hoisting convenience.
Rear Straight Vane
Helps straighten propeller swirl, improve thrust direction, and reduce unwanted housing tilt.
Builder finishing
Finish it your way
The BOWREX Platform is the printed structural foundation for a complete BOWREX system. Builders may add their own finishing, protection, or reinforcement methods if desired. These finishing choices can help make the printed structure tougher for repeated deck handling and marine use.
EVA foam pad
Can be added to the hull-contact face for cushioning and surface protection.
2K protective liner
Can be applied to the exterior for improved abrasion resistance and tougher finish.
Epoxy coating
Can be used as a protective exterior surface layer.
Fiberglass wrap
Can be added for extra stiffness, impact resistance, and reinforcement.
These are optional builder-applied upgrades and are not included unless specifically stated.
Simple use
Carry. Deploy. Burst. Retrieve.
BOWREX is the working system for short-burst docking assistance. Carry it on board, deploy it only when docking, use short controlled pushes, then lift it back out of the water after use.
Carry
Keep BOWREX on board as a compact deployable bow-assist tool.
Deploy
Lower the housing beside the bow using the selected hoisting setup.
Burst
Use short controlled thrust bursts to help move the bow during docking or undocking.
Retrieve
Stop thrust, lift the unit back above the waterline, and secure it after use.
Start simple
Small enough to carry. Strong enough to matter.
The easiest way to understand BOWREX is simple: it is a deployable mini tug for your bow. Compact on deck, serious in short-burst thrust, and built around the BOWREX Platform with the Main Thruster Housing as the structural core.