FlexaDrive™ Marine

New Multiple Pump Drive Gearbox System

Logan FlexaDrive™ System:
The Logan FlexaDrive is sandwiched between your engine and transmission; allowing up to 10 live PTO pump pads for a wide range of hydraulic pump requirements such as: drive shafts, pumps, pulleys, and clutchable power take-offs.

Single Source for Power:

Imagine a new or repowered vessel where the main engines provide propulsive power and drive electric generators, bow thrusters, and mission-specific equipment. What's more, they also provide back-up and redundancy for critical-vessel systems. The Logan FlexaDrive and FlexaGen make this possible.

 

  • Logan 700-2 FlexaDrive with  Logan 1150 Series Clutch
  • Conventional FlexaDrive / FlexaGen installation showing multiple  input/output options
  • Logan 1000-2 FlexaDrive
  • Logan 1000-2 Series  FlexaDriveTM  with Logan LCH  Series Clutch
  • NEW! Logan FlexaDrive Pump Drive Gearbox
  • Logan Flexadrive for Hybrid Applications. Up to (10) PTO/PTI. 500 HP/400kw total. (200HP/150kw per pad)
  • Side View of FlexaDrive Showing Logan Direct Drive Bell Housing PTO Coupled Between Engine and FlexaDrive.
  • 402 Series Shaft Adapters and Pulley Adapters For Side Loading and Radial Loads
  • Logan Power Take-Off (PTO) Clutches for PTO Towers
  • U.S. Hybrid Tug, The Campbell Foss Campbell Foss Was the World’s Second Hybrid Tug.
  • Logan Connect-Disconnect Bell Housing PTO Clutch. Operates Wet (Oil Bath) or Dry
  • Logan Bell Housing Clutches are Also Designed for Intermittent or Continuous Slip, for Dynamic Positioning. With Optional J-1939 Communication for Standard Engine Protocol.
  • For Engines up to 730 HP / 554 kW. FlexaDrive 2-Position Pump Drive - Input Side
  • For Engines up to 730 HP / 554 k. Flexadrive 2-Position Pump Drive - Output Side
  • Logan Flexadrive for Hybrid Applications. Up to (10) PTO/PTI. 500 HP/400kw total. (200HP/150kw per pad)
  • Logan 3000-3 FlexaDrive with LC314 Clutch  Pictured in Logan Tech Center
  • Logan 1000-2 FlexaDrive

Applications:

  • Hybrid Drive Systems
  • Marine Propulsion
  • Mobile Equipment
  • Industrial Skid Mounted Systems
    and Gensets
  • Front of Marine Engines

Advantages:

  • Up to (10) live PTO/PTI positions
  • Short axial length, plus full torque transmission
  • Available in: SAE 1, 2, 3 and 0 and 00 Bell Housing sizes
  • Flexible couplings in: SAE 11.5”, 14”, 18” and 21” flywheel sizes
  • Up to 5000 HP or 3700 kW @ 2600 RPM
  • Short axial length, plus full torque transmission 

Logan FlexaDriveTM Advantages:

  • Significantly reduces diesel engine operating hours, CO2 emissions, fuel consumption, and engine maintenance
  • Hybrid Ready – FlexaDrive™ / FlexaGen™ feature allows for auxiliary generators to provide low-power propulsion during standby or transit or additional “turbo” bollard pull during ship assists
  • Variable speed motor generator acts as a genset or increases bollard pull during ship assists
  • Up to (10) live PTO / PTI positions 
  • Up to (5) cartridge-style pump drive towers (up to 200 HP / 150 kW for each tower – 600 HP total) for current requirements and future scalability 
  • Flexible couplings in: SAE 11.5”, 14”,18” and 21” flywheel sizes
  • For engine capacities from 200 HP (150 kW) up to 5000 HP (3700 kW) @ 2600 RPM
  • Short axial length – full torque transmission

Logan FlexaDriveTM Multiple Pump Drive Systems

Standard Specifications and Options:

  • Engine capacities from 200 HP (150 kW) to 5000 HP (3700 kW) 2600 Max. RPM
  • (5) Pump drive towers and (10) pump pads; (2) per tower
  • Up to (5) PTI/PTO drives (up to 200 HP/150 kw each)
  • Integral flexible coupling to dampen torsional vibration
  • (3) Sizes: (2) Towers 300 HP, (5) Towers 300 HP, and (5) Towers 600 HP in total pads capacity
  • Optional J-1939 communications works with standard engine protocol

End Uses:

  • Hybrid Drive Systems
  • Marine Propulsion
  • Mobile Equipment
  • Industrial Skid Mounted Systems and Gensets

 


Logan FlexaDriveTM / FlexaGenTM  Systems:Conventional FlexaDrive /  FlexaGen installation showing multiple input/output options

The Logan FlexaDrive: is a multiple pump drive system, sandwiched between your engine and clutch, or transmission; allowing up to ten (10) live PTO / PTI pumps pads for a wide range of hydraulic requirements such as drive shafts, pumps, pulleys, and clutchable power take-offs.

The Logan FlexaGen: utilizes a variable speed motor generator, installed on a FlexaDrive tower, to provide low level propulsion instead of running the large main engines. The same unit can seamlessly function as a genset, and support vessel services, whenever the main engine is running – and further contribute by lowering emissions, fuel consumption, and engine maintenance. An added benefit is increased redundancy, which makes the vessel power plant more robust.


Logan Hybrid FlexaDriveTMLogan FlexaDrive configured for hybrid applications

The hybrid version of the FlexaDrive, is suitable for new-build or retrofit projects, and positions the FlexaDrive between a Logan clutch and transmission, enabling multiple propulsion modes:

  • Mechanical Only 
    (With Variable Speed Generator)
  • Diesel Electric (Using Small Aux Gen)
  • Full Electric (with Batteries)
  • Main Engine “Boost”

Logan FlexaDrive for Hybrid Applications 

Single Source for Power:
Imagine a vessel that only requires main engines, not generators and other auxiliary power sources, to produce electricity, drive bow thrusters, power mission specific hydraulic equipment (cranes or fishing equipment), run fire and cooling pumps  provide back-up, and redundancy for critical vessel systems.  The Logan FlexaDrive™ makes all of this possible.

Hybrid Technology:
In recent years, there has been considerable emphasis placed on reducing emissions in the marine industry. Regulatory bodies around the globe have imposed stringent limits on the amount and types of emissions that can be released.   Marine operators and technology developers are aggressively working to reduce the fuel consumed and the emissions produced by the world’s fleets.

Hybrid technology has been at the forefront of these initiatives and has been identified by ship owners as a means of making their vessels more environmentally friendly, while at the same time reducing operating and maintenance costs.  Logan Clutch has been a proud contributor to several hybrid projects and continues to look for opportunities to assist clients with leading edge propulsion concepts.

Logan FlexaDrive Scalability
A case-in-point is the new Logan FlexaDrive™ for Main Propulsion.  This unique product is comprised of a multi-disc friction clutch and the revolutionary FlexaDrive™ gearbox. The modular design means that the units can either be used together or independently to satisfy a vessel’s operational requirements.  The clutches are hydraulically actuated and can be purchased in “on/off” or “slipping” models.  The FlexaDrive™ gearbox provides your propulsion line with built in “scalability”.  This compact design allows up to five PTO/PTI drive towers to be added, as required, to satisfy current or future requirements for shipboard auxiliary power.

Incorporating the new Logan FlexaDrive™ into your existing or new-build vessel can open the door to implementing hybrid and other efficiency enhancing functionality, either now or in the future.  Attaching an induction motor to one of the drive towers provides not only a source of additional electrical power when the main engine is running, it is able to provide propulsive power to the shaft line when the engine is not.  This can be done to provide a “come home” mode in case of engine failure, or can be part of a hybrid arrangement that is designed to reduce fuel consumption and emissions.

Return on Investment: Reduced Fuel Consumption and a Cleaner Footprint
Choosing a Logan FlexaDrive™to be part of your new build or retrofit project will not only provide return on investment for years to come based on efficiency, it can also reduce your overall capital expenditure as well.  The Logan FlexaDrive™ opens the door to reducing the number of generators fitted, or stand-alone hydraulic systems; all of these can be supplied by the Logan FlexaDrive™ fitted with the appropriate attachments.

Logan Clutch Flexadrive Product


Logan Clutches For Main Propulsion, Auxiliary
Power Take-Off Drives / PTO, and FiFi Applications

Engine Room


NEW! Logan FlexaGenTM and FlexaDriveTM HT Hybrid Systems for New or Repowered Vessels! 

Flexible Power Solutions:

As the name implies, Logan’s FlexaDrive products are all about Flexibility. Our systems provide operators with the ability to configure their vessel’s propulsion and power generation systems for maximum efficiency. Depending on operational requirements, main and auxiliary engines can provide either propulsive power, electrical power generation or both!

 Great Lakes Towing Company 19s Tug Cleveland, first in a series of award winning Damen designed, Great Lakes Shipyard built vessels. The next 4 tugs in the series will be fitted with Logan 19s Advanced Power Generation and Hybrid Propulsion Systems.

System Features:

  • Operational Flexibility
  • Fuel, Emissions and Maintenance Savings
  • Reliability and Redundancy
  • “Right Sized” Optimization
  • Compact and Affordable

Hybrid Systems  for New or Repowered Vessels


NEW! Logan FlexaDrive Hybrid Drive system for Tour Boats, Water Taxis, and Canal Boats

Flexible Power Solutions:

As the name implies, Logan’s FlexaDrive products are all about Flexibility. Our systems provide operators with the ability to configure their vessel’s propulsion and power generation systems for maximum efficiency. Depending on operational requirements, main and auxiliary engines can provide either propulsive power, electrical power generation or both!

 Tour boat, water taxi using Logan FlexaDrive Hybrid Technology

System Features:

  • Operational Flexibility
  • Fuel, Emissions and Maintenance Savings
  • Reliability and Redundancy
  • “Right Sized” Optimization
  • Compact and Affordable

 

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