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Marine Double-Beam LARS [Model: 3.6TX4.3M]

Overhead hydraulic launching and recovery systems for boats and tenders save deck space and guarantee reliable operation. The hydraulic drive provides smooth and full control during launching and recovery, maintaining stability even in stormy conditions to enhance operational safety.

Bridge-type LARS is mounted to the overhead, saving usable space and increasing the overall structural stability. It consists of a movable bridge with one or two beams and a winch, traveling along the ceiling for efficient task performance.

The 3.6TX4.3M model is a double-beam bridge-type LARS designed for handling craft weighing up to 3,650 kg. The design provides a 2.4 m outboard extension at a full beam outreach of 4.3 m. Overhead mounting at a height of 2 meters or more ensures safety, while a system of two electric winches with a wire rope arrangement provides reliable launching and recovery. Smooth and precise bridge travel is managed by a dedicated travel winch.

Configuration

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Marine Double-Beam LARS 3.6tx4.3m 3D Model Track

Track

(highlighted in yellow)

The track is a welded load-bearing steel structure mounted to the vessel’s overhead at a height of 2 meters or more to ensure safety. The LARS bridge travels along its rails, while an integrated pulley system supports the operation of the travel winch. Travel limiters within the rails eliminate abnormal situations and enhance the overall reliability of the system.

Bridge

(highlighted in yellow)

The bridge is designed for operations with the recreational craft and is a load-bearing welded steel structure that serves as the foundation for mounting all mechanism components. Bridge locks installed on the rails securely hold it in the stowed position.

Marine Double-Beam LARS 3.6tx4.3m 3D Model Bridge
Marine Double-Beam LARS 3.6tx4.3m 3D Bridge Travel Drive

Bridge travel drive

(highlighted in yellow)

The bridge drive transmits torque to the travel winches. Its design includes a hydraulic motor and a gearbox connected to the winch drums via cardan shafts, as well as normally closed hydraulic brakes to ensure precise and safe movement control.

Hoisting winch

(highlighted in yellow)

The hoisting winch manages the launching and recovery of the recreational craft, as well as the movement of the bridge and beams via the wire rope system. Two winches operate synchronously to ensure even load distribution, and each is equipped with a brake to guarantee safety in emergency situations.

Marine Double-Beam LARS 3.6tx4.3m 3D Model Hoisting Winch

Standard configuration and options

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Standard configuration:

  • One or two beams
  • Bridge
  • Guide rails
  • Wire rope suspension
  • Hoisting winch
  • Bridge travel winch
  • Hydraulic equipment set
  • Electrical equipment set
  • Hydraulic Power Unit (HPU)
  • Set of falls (ropes)
  • Release unit
  • Local control console

Optional:

  • Crane control: local, remote, or combined
  • Explosion-proof design
  • Custom paint color
  • Winch constant tension function

Documentation:

The following documentation provided with the LARS:

DocumentQuantity
Product Data Sheet1
Installation, Commissioning, and Adjustment Manual1
Operating Manual1
Onboard Test Program and Methodology1
Declaration of Materials (DM)1
Supplier’s Declaration of Conformity (SDoC)1

Scope of Supply

This launching and recovery system is available both as a standalone unit and as a complete set with specific hull closures of our manufacture.

The following are all variations of shell doors supplied in combination with this LARS:

Closure 8,5Х2,5m
Marine Multipurpose Side Shell Door

Multipurpose Shell Door 8.5X2.5M

Model 8.5X2.5M is a rectangular single-leaf shell door featuring an integrated accommodation ladder and steps for water access. Its design ensures secure attachment to the vessel’s hull and comes equipped with removable railings that can be easily installed by personnel to guarantee passenger safety.

3D simulation

About

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Personal Yacht Lift: How to Launch a Boat with Zero Effort

Imagine you are sailing in the open sea, discover the perfect bay, and want to launch a small pleasure craft for fishing or just a cruise. Previously, this would have required bulky cranes or a whole crew of sailors. Now, this task is handled by a compact yet powerful device integrated directly into the ship’s hull. It is called a LARS—Launching and Recovery System—and it is a true mechanical assistant for modern seafarers.

Why It Is More Complex Than It Seems

Lowering a craft weighing as much as two SUVs overboard is a non-trivial task. You can’t just drop it; it’s vital to control every centimeter of the way, prevent the load from swinging on the waves, and secure it firmly on deck before setting sail. Our device handles this with ease. It is rated for a load of up to 3,650 kilograms and can extend nearly two and a half meters overboard, lowering the boat to a height of up to four meters—roughly from the level of a third floor.

The system is permanently positioned at the starboard side in the aft part of the vessel. In its stowed position, it is folded and occupies minimal space, neither obstructing passengers nor spoiling the yacht’s aesthetic. When it’s time for water operations, the mechanism “grows,” transforming into a genuine mini-crane.

What It Is Made Of

The structure is based on high-strength steel. For the load-bearing components, 09G2S steel was used, which performs excellently in harsh maritime conditions and withstands temperature fluctuations from Arctic sub-zero to tropical heat. The most critical parts, such as drum axles, are manufactured from even higher-strength steel grades like 40Kh and 30KhGSA. This ensures the mechanism will not fail at the most crucial moment.

Structurally, the device resembles rails along which a platform travels. The stationary “Track” is mounted directly to the deck. A movable “Bridge” travels along it on robust wheels. Finally, telescopic “Beams” are located on the bridge itself—these are what extend the boat overboard.

Internal Design

The heart of the system is the hydraulics. Oil under pressure of up to 20 MPa (200 times higher than in a car tire!) drives the hydraulic motors that power all the mechanisms. The entire system operates from the vessel’s 380V power grid.

The device consists of several key components. Two powerful winches with grooved drums carefully wind the steel wire ropes from which the boat is suspended. These are responsible for the launching and recovery. Another drive manages the movement of the entire bridge with the boat overboard and back.

To prevent the boat from twisting the wire ropes, a special traverse is used — a robust beam that supports the vessel’s weight and ensures even load distribution.

One-Hand Control

This entire complex structure is operated via a compact portable console. The operator can stand on deck, maintain a clear view of the craft, and lower it into the water with simple joystick movements. There is no need to pull levers or shout commands—the machinery handles it all. The console features built-in protection: the system prevents the craft from being lowered too far or raised beyond the limit.

Safety First

Engineers have integrated multiple layers of protection. Mechanical stops prevent the bridge from derailing. Electromagnetic sensors monitor the position of each beam. In an emergency, pressing the red “Stop” button instantly locks all movement. Even if the vessel loses power, a dedicated manual pump allows the operation to be completed in a safe mode.

Thus, the launching and recovery system is not just a piece of metal, but a high-tech assistant that makes handling heavy loads on the water simple, safe, and elegant. It takes on all the heavy lifting, leaving the yacht owner with nothing but the pleasure of the sea voyage.

Dimensions

Marine Double-Beam LARS 3.6tx4.3m Dimensions Side View
Marine Double-Beam LARS 3.6tx4.3m Dimensions Top View

Technical specifications

ParameterValue
Lifting capacity at maximum outreach, kg3650 kg
Hoisting/lowering height, m, not more than4 m
Maximum beam outreach, m, not less than4.3 m
Maximum outboard outreach, m, not less than2.45 m
Load hoisting/lowering speed, m/min, not less than10 m/min
Operating hydraulic pressure, MPa, not more than20 MPa
Marine power supply parameters380V
50 Hz
3-phase
Electrical equipment protection classIP56

3D model

General requirements and standards

  • The equipment complies with the “General Provisions for Technical Supervision” of the Russian Maritime Register of Shipping (RS) and is supplied with a Type Approval Certificate.
  • The equipment complies with the requirements of the Technical Regulation on the Safety of Maritime Transport.

Additional requirements

  • All electrical equipment has a protection class of IP56.
  • All materials are resistant to operating temperatures ranging from -30 °C to +36 °C.
  • Complies with the requirements of the RRR (Russian River Register) Rules and the “Technical Regulation on the Safety of Inland Water Transport Items” (approved by Government Decree No. 623 dated 12.08.2010).
  • Supplied to the vessel with RRR certificates.
  • The equipment coating complies with RRR requirements.
  • Equipment painting is determined during the coordination stage of the technical specification with the designer.
  • All supplied components are suitable for indoor storage for 12–18 months.
  • Operation of the LARS is intended only while the vessel is stationary.

Regulatory compliance

The equipment complies with the following requirements:

  • General Regulations of the Russian Maritime Register of Shipping (RS);
  • Technical Regulation on the Safety of Maritime Transport (Decree of the Government of the Russian Federation No. 620 dated August 12, 2010);
  • SP 2.5.3650-20 (Sanitary and Epidemiological Requirements for Transport);
  • Other applicable requirements of Russian legislation, including sanitary and veterinary regulations, occupational health and safety requirements, and industrial safety requirements;
  • The equipment also complies with all amendments and supplements in force as of the vessel’s keel-laying date (Decree of the Government of the Russian Federation No. 719);
  • Supervision of installation and commissioning services;
  • Confirmation of industrial product manufacturing within the territory of the Russian Federation (Decree of the Government of the Russian Federation No. 719 dated July 17, 2015).