The operator determines the capacity he needs, compares the available models and purchases the boat that seems suitable.

However, this method does not always produce optimum results in electric and solar powered marine vehicles.

Because the vehicle's energy system is directly affected by the mode of operation.

For this reason, Navarc treats commercial projects as a project-based engineering process rather than standard catalog sales.

First question: What will the boat do?

Before starting the project, a basic task profile is created.

How long is the route?

How many trips will be made per day?

How many passengers will be carried?

What is the target service speed?

How long is the waiting time at the piers?

How is the charging infrastructure?

How many hours per year will the boat operate?

The answers to these questions are the basic inputs of technical architecture.

Route length

Route length is one of the important factors in determining the energy capacity required by the battery.

However, it is not enough alone.

The same route can be performed twice or twenty times a day.

Therefore, total daily energy need should be calculated separately.

Service speed

Service speed is critical in terms of energy consumption.

If the schedule requirements of a line can be met with 8 knots, designing the system for continuous 14 knot operation may create unnecessary energy and cost.

Therefore, the target speed should be determined according to the actual transportation schedule.

port infrastructure

In electric marine vehicles, the landside infrastructure also becomes a part of the boat.

The power of the charging points, the time the boat spends at the dock and the daily operating schedule influence the battery strategy.

While in some operations intermediate charging can be done during the day, in some projects all daily energy may need to be stored at the beginning.

engineering ice cream

Once the task profile and technical architecture are clarified, the project reaches the engineering freeze phase.

At this point, the body, energy system and basic configurations are made ready for production.

This is followed by production phases, system integration and sea tests.

sea tests

Digital analyzes are important parts of the design process, but validation in real sea conditions is also required.

In sea tests, performance, consumption and system behavior are checked.

This way, the assumptions made during design can be compared with actual operational data.

This process is at the core of Navarc's project approach:

First understanding the operation, then designing the boat.