Robert Allan Engineering & Design
TRAder Series
Twin-screw coastal towing (line-haul) tug designs of about 15 to 45 m with heavy-duty aft towing gear, optimized for 6-10 knot barge towing.
Description
The TRAder designation covers a broad series of coastal towing or line-haul tug designs. They are not generally intended for ship-assist work but serve coastal transportation systems towing single or multiple barges.
TRAder tugs are typically twin-screw, equipped with heavy duty towing gear aft, and designed to maximize thrust at towing speeds typically in the 6-10 knot range. Designs are designated by length, e.g. TRAder 2500, with power and dimensions set by the intended service and local requirements. Built examples range from about 15 to 45 metres, each designed for a specific coastal trade application, and many have decades of service in British Columbia waters.
Key features
- Optimized for barge towing at 6-10 knots
- Typically conventional twin-screw
- Heavy duty aft towing gear
- Wide range of sizes and configurations
Applications
Coastal barge towing and line-haul transportation.
Specifications
| Length range | About 15 - 45 m |
|---|---|
| Design towing speed | 6 - 10 knots |
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