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The ZWS GT550 is a 5.50-meter aluminium electric tender for relaxed slooping and, with the appropriate motorization, high-speed cruising. The spacious circular seating, self-draining cockpit, and concealed electric motor ensure a practical layout. Choose a drive system of 2 to 6 kW for quiet cruising, or discuss the 10 kW version if you also want to be able to plane.
The ZWS GT550 combines the recognizable appearance of a Southwester's sloop with a wider stern and a hull shape that is also suitable for planing. This allows you to have the boat configured for various sailing styles.
With an electric drive of 2 to 6 kW, you use the GT550 as a comfortable sloop. If you also want to be able to cruise at high speeds, there is a version with a 10 kW motor. According to the manufacturer, this configuration reaches approximately 23 km/h. The actual speed depends on the version, load, and conditions.
The circular seating area accommodates six to eight people. In the center of the cockpit stands a central battery box that also serves as a table. Handy for coffee on the go, lunch on board, or a relaxed afternoon with friends.
The helm station slopes downwards, providing the skipper with extra legroom. The electric outboard motor is concealed in a lockable compartment. Additionally, there is storage space for the cushion set.
The GT550 is constructed from 4 mm thick, seawater-resistant aluminium 5083 H111. This gives the boat a robust foundation, without the painting and varnishing associated with a traditional wooden boat.
The cockpit is self-draining, allowing rainwater to run off. Keep the drains free of leaves and debris to ensure proper functioning. Separate air chambers contribute to the boat's buoyancy.
The right motor and batteries depend on your boating plans. Do you mainly take relaxing trips through the area, or do you also want to be able to speed where permitted?
For leisurely cruising, ZWS lists motors from 2 to 6 kW, with portable or fixed batteries depending on the chosen system. The described high-speed version has a 10 kW motor and a fixed battery pack of 6.8 or 13.6 kWh.
At Robust-MT, we help you put together a suitable combination, tailored to your cruising area, charging options, and desired use.
5.50-meter aluminum electric tender.
Choice of a version for leisurely cruising or a fast-sailing version.
Circular seating with seating for six to eight people.
Electric outboard motor concealed in a lockable compartment.
Central battery box that also serves as a table.
Sloping helm station for extra footroom.
Self-draining cockpit.
Storage space for the cushion set.
Separate air chambers for extra buoyancy.
Suitable only for electric outboard motors.
| Specification | ZWS GT550 |
|---|---|
| Type | Aluminum electric tender |
| Length | 5.50 m |
| Width | 2.10 m |
| Depth | Approximately 0.40–0.50 m |
| Clearance height | Approximately 0.80–0.90 m |
| Hull weight | 450 kg |
| Material | Seawater-resistant aluminium 5083 H111 |
| Aluminum thickness | 4 mm |
| CE design category | D |
| Seats | According to the manufacturer, 6–8 people |
| Drive | Electric outboard motor |
| Engine layout | Lockable engine compartment |
| Motorization for leisurely cruising | 2–6 kW |
| Motorization high-speed version | 10 kW |
| Stadium | Self-draining |
Specifications as stated by the manufacturer. The hull weight excludes engine, batteries, and other equipment. The maximum permissible occupancy is stated in the documentation of the delivered version.
| Element | Quiet electric boating | High-speed version |
|---|---|---|
| Usage | Relaxed cruising and boating | Sloop boating and speed boating where permitted |
| Engine power | 2–6 kW | 10 kW |
| Batteries | Portable or fixed, depending on the system | Fixed battery pack of 6.8 or 13.6 kWh |
| Speed | Depending on the chosen configuration | According to the manufacturer, approximately 23 km/h |
| Plan | Not specified as a feature of this version | Possible with the intended configuration |
The stated speed and planing capability apply to the described 10 kW version. These performance figures do not automatically apply to other motor and battery combinations.
For relaxed electric boating, the ePropulsion Navy 6.0 Evo is a potential candidate. With its power of 6 kW, this motor falls within the range specified by ZWS for the version designed for leisurely cruising.
The final choice requires checking the engine compartment, stern length, handling, and weight distribution, among other things. We also take the available space for batteries into account in our advice.
| Product | Power or capacity | More information |
|---|---|---|
| ePropulsion Navy 6.0 Evo | 6 kW electric outboard motor | View the Navy 6.0 Evo |
| ePropulsion E100 | 5.12 kWh battery capacity | View the E100 battery |
| ePropulsion E163 | 8,345 kWh battery capacity | View the E163 battery |
These products are potential components of a configurable drive system and are not automatically part of the standard equipment. With a Navy 6.0 Evo configuration, we do not promise the speed or planing of the 10 kW version described by ZWS.
Complete the GT550 with equipment that suits your usage. The manufacturer lists, among other things:
Bumper strip made of recycled plastic.
Rubber bumper on the bow.
Cushion set.
Navigation lights.
Flagpole with flag.
Net against leaves and litter.
The availability and composition of the options will be agreed upon in the quotation.
No. The manufacturer describes planing for the 10 kW version intended for that purpose. The versions with 2 to 6 kW are intended for relaxed sloop cruising.
For the high-speed version with 10 kW, the manufacturer states approximately 23 km/h. The actual speed depends on the version, load, and conditions, among other factors.
If the boat can travel faster than 20 km/h, a boating license requirement and registration obligations apply, among other things. This also applies when you are sailing slower yourself: the potential speed of the boat is the determining factor.rijksoverheid+1
That depends on the battery capacity, speed, load, and conditions. Therefore, we tailor the battery pack to your boat trips, instead of promising a single fixed sailing time.
For the leisurely cruising version, ZWS mentions both portable and fixed batteries. Which solution is suitable depends on the chosen motor and battery system. The described high-speed version uses a fixed battery pack.
Do you want to enjoy a relaxing electric boating experience, or would you also like to discuss the possibilities of a high-speed version? At Robust-MT, we help you choose the motor, batteries, and equipment. This way, you can configure a ZWS GT550 that suits your boating plans.
