TAC2000 SCOOTER

The Seacraft TAC2000 is a military-grade Diver Propulsion Vehicle (DPV) developed specifically for Special Forces, combat divers, maritime interdiction teams and underwater reconnaissance units. Designed in cooperation with some of the world's leading special operations personnel, the TAC2000 combines exceptional endurance, high thrust output and advanced underwater mobility in a compact and highly reliable platform. With over 11 hours of runtime, a range exceeding 30 km, and a depth capability exceeding 300 metres, the TAC2000 is engineered for the most demanding underwater missions.

Built around Seacraft's patented fully immersed magnetic propulsion system, the TAC2000 eliminates conventional drive shafts, gearboxes and shaft seals, significantly reducing maintenance requirements while providing extremely quiet operation. The modular architecture supports integration with Seacraft navigation systems, payload platforms, cargo carriers and dual-scooter configurations, making it suitable for long-range infiltration, underwater transport, reconnaissance and specialist maritime operations.  

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Features

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• Military-Specific DPV Platform – Developed for Special Forces and tactical diving operations
• Over 11 Hours Runtime – Extended operational endurance
• Range Exceeding 30 km – Supports long-range underwater missions
• Patented Magnetic Propulsion System – Fully immersed motor design
• Extremely Quiet Operation – Reduced acoustic signature for covert operations
• Zero-Torque Drive System – Improved handling and reduced operator fatigue
• Integrated Control Display – Real-time operational monitoring
• External Charging Port – Simplified charging and maintenance
• Asymmetrical Sealed Battery System – Enhanced reliability and safety
• Modular Payload Capability – Supports navigation consoles and mission equipment
• Dual-Scooter Platform Compatible – Increased thrust and payload capacity when required
• Dead Reckoning Navigation Compatible – Supports advanced navigation systems
• Designed for Extreme Environments – Proven in caves, flooded mines, cold water and deep diving operations

Operational Advantages

• Supports long-range underwater infiltration and extraction missions
• Extremely low acoustic signature enhances covert operational capability
• Fully immersed motor eliminates common failure points associated with traditional DPVs
• Long endurance reduces battery management requirements during extended operations
• Modular architecture enables integration of navigation systems, payloads and mission equipment
• Capable of transporting divers and additional equipment over significant distances
• Suitable for military diving, MCT, MIO, reconnaissance, EOD and underwater surveillance operations
• Single-operator portability despite exceptional power and endurance characteristics
• Dual-scooter configurations available for increased towing force and cargo transport capability

Magnetic Propulsion

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Engine working in full immersion

Seacraft created the first submersible in the world, in which the motor runs directly in the water. Specially designed and patented solution allows for complete elimination
of the drive shaft and the need for unreliable seals and gear transmission used in other DPVs. The motor working in the water is much more durable and resistant to workload
and as it is directly water cooled, completely eliminates overheating inside the scooter.

Simple and robust solution solves major flaws of other scooters, providing:

• Silent and covert operation, due to elimination of transmission systems. BLAC engine steering removes also electromagnetic noise.
• Maximum power output without overheating, even on prolonged time.
• Long maintenance-free periods, easy and simple servicing.
• No risk of fl ooding of scooter’s interior.
• Extreme weight reduction, allowing to pack power of “old construction” 27 kg scooter, into 16 kg ready-to-dive unit.

Zero torque

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Post-swirl stator

Torque effect is natural consequence of propeller’s rotating action, what causes water stream to swirl, and creates turning force on scooter handle what increases diver’s fatigue.

Inspired by jet-engines construction, Seacraft developed post-swirl stator system, which interacts with propeller slipstream, changing it’s swirl to net thrust. This allows
to completely eliminate torque effect, and simultaneously increase propulsion system efficiency, due to recovering usually lost water swirl rotation force.


Control screen

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OLED screen displays in covert red colour all important for the operator information – current gear, battery charge level, remaining burn time, and trigger time.

Double-handed ergonomic steering handle with two triggers allows to drive scooter using one, or both hands. Pre-defined “double tap” functionalities provide instant max speed acceleration when needed.

One-handed control allows to full control Seacraft scooters with one hand – including changing speed, and activating the engine.



Working efficiency

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All elements of the drive system – engine, propeller, propelling nozzle and post-swirl stator were precisely designed taking into account speed and load parameters divers encounter under the water. Three-phase motor, as the only one on the market, is steered with BLAC algorithm, which minimizes energy consumption. Seacraft devices have exceptional work efficiency and consume even up to half the energy required for propulsion than competing devices.

Seacraft's DPV is one of the first submersibles with fully modelled and designed for the diver hydrodynamic shielding – which dramatically reduces diver's drag and water resistance, allowing for very long range with high speed.


Power management

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External charging socket allows for quick recharging of scooter, without need to open the unit.

Battery construction is based on hard-welded cells, with asymmetric weight distribution. This results with handles-up position underwater, which provides easier and more intuitive operation. Battery sealed construction protects it from damages if contacted with water. It can be easily replaced for a new one, or charged outside of scooter.

Seacraft scooter uses the latest generation of lithium-ion batteries, characterized by very high capacity, high efficiency, resistance to harsh environments and fast charging times. Built-in internal battery control system provides constant multi-level protection and cell balancing. Optional Ni-Mh batteries can be installed for special applications.

Fast recharging time is provided, with the standard battery version not exceeding 2-3 hours for full charge.

Trimming system provides neutral buoyancy in all water salinities. It can be also configured to have negative, or positive buoyant scooter. Additionally available external trimming system allows for easy helicopter drop handling.

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Seacraft DPV - military and special

How to charge the Seacraft

Model: Seacraft TAC2000
Product Type: Tactical Diver Propulsion Vehicle (DPV)
Runtime (Optimal Speed): > 11 Hours (> 700 Minutes)
Runtime (Maximum Speed): > 220 Minutes
Range: > 30 km
Maximum Speed: > 1.6 m/s
Maximum Static Thrust: > 340 N
Battery Capacity: 2000 Wh Li-Ion
Weight: 22.9 kg
Housing Diameter: 208 mm
Tested Depth: 300 m
Maximum Operating Depth: 220 m
Charging System: External Charging Socket
Propulsion Type: Fully Immersed Magnetic Drive
Display: Integrated Control Screen
Navigation Compatibility: ENC3M Navigation Console Compatible
Platform Compatibility: Dual TAC2000 Platform Compatible

MOTOR

• Working time at optimal speed (45m/min.)* : >700 min.
• Working time at maximum speed (gear 9)* : >220 min.
• Range* : >31.5 km
• Maximum static thrust : >340 N
• Maximum speed* : >1.6 m/s

BATTERY

• Battery Li-Ion capacity : 2000 Wh
• Nominal battery voltage : 32.4 V
• Maximum battery voltage (after charging) : 37.8 V
• Minimum battery voltage (after discharging) : 26 V
• Charger operating voltage : 230 V, 50 Hz, 400 or 900 W
• Average time of charging 90% : 6 or 3 h
• Average time of charging 100% : 7 or 3.5 h

DIMENSIONS

• Dimensions in milimeters : 800 × 360 × 410
• Housing diameter : 208 mm
• Weight without battery and ballast : 12 kg
• Weight with battery and fresh water ballast : 22.9 kg

* Applicable in terms of a diver in standard chestmount oxygen rebreather, in a dry suit, in fresh water. Range tested for optimal speed.

Seacraft means quality. We ensure highest industrial standards for design and production of all our products.
All Secraft products are manufactured in accordance with AQAP 2110:2016 (NATO Quality Assurance Requirements for Design, Development and Production), ISO 9001:2015, and PN-EN ISO 14001:2015, and certificate of the Internal Control System in the field of trade in goods of strategic importance.



Seacraft factory quality control runs rigorous testing on every manufactured product.
Each manufactured scooter goes through:

• pressure chamber test – 60 minutes on test depth
• battery capacity test with 25 A load
• functional tests in water pool, with thrust measurement and monitoring and real burntime on maximum power
• electrical and electronic tests
• internal quality control with machining and production quality

Signed test reports are stored for each individual unit.