Tug is the current development of the extremely effective Ridges 2400-SX layout
Turkey’s Sanmar Shipyards has actually provided the Bo ğaçay XXXVIII, its 200th yank developed to a style byRobert Allan Ltd The shipment notes both a turning point in a functioning partnership of 25 years as well as an additional breakthrough in yank modern technology.
The Bo ğaçay XXXVIII is the current development of the extremely effective Ridges 2400-SX layout as well as integrates the freshly created Caterpillar Advanced Variable Drive (AVD) hydro-mechanical crossbreed propulsion system.
BLOSSOM POWER
The yank is signing up with Sanmar’s very own towage fleet in Izmit Bay, Turkey, where it will certainly not go undetected. It has actually been repainted with a brilliant environment-friendly hull as well as vibrant blossoms on the deckhouse influenced by pop musician Andy Warhol’s “Flowers” print. Sanmar claims the paint task is “reflective of the changing trend towards reduced environmental impact from tugs” as well as “is bound to attract much attention in the usually moribund world of tugboat aesthetics!”
Particulars of the brand-new yank are as adheres to:
- Length total: 24.40 m
- Beam, built: 11.25 m
- Depth, built: 4.38 m
- Maximum draft: 5.40 m
The vessel is classified by ABDOMINAL MUSCLE with the symbols:
✠ A1, PULLING VESSEL, ✠ AMS, ✠ ABCU, UWILD, QR, UNRESTRICTED SOLUTION, BP (70 tonnes)
Tank capabilities are:
- Fuel oil: 72.4 cu.m
- Fresh water: 10.8 cu.m
- Fi-Fi foam: 6.6 cu.m
FELINE AVD SYSTEM
The FELINE AVD system includes a set of double input, continually variable transmissions, situated in the shaftlines in between the major engines as well as the Z-drives. The AVDs can approve power from the FELINE 3512 major engines, ranked at 1,765 kW at 1,800 rpm, and/or from 2 435 kW hydraulic electric motors powered by a solitary FELINE C32 supporting engine, ranked at 1,081 kW at 2100 rpm. The power is provided to 2 FELINE MTA 627 FP Z-drive devices with 2.7 meter size taken care of pitch props.
A key benefit of the FELINE AVD system is the continually variable transmission which can regulate prop speed up to 0 rpm like a sliding clutch. It can likewise rotate the prop up faster than would certainly be feasible if the engine was straight paired to the drive, enabling the engines to run in their peak effectiveness area rather than running along the prop need contour at greater particular gas oil intake, hence causing substantial gas financial savings.
With a repaired pitch prop pitched for bollard problem at 0 knots, complete power can be drawn from the engine when cost-free operating, similar to a manageable pitch or diesel electrical system.
In words of Nathan Kelly, Caterpillar Marine Product Definition Engineer: “This (AVD system) allows propeller speed independent of engine speed so optimal engine efficiency can be achieved leading to fuel savings of fifteen to twenty percent. Basically, all the benefits of a variable speed Diesel Electric Propulsion (DEP) system at a fraction of the cost and size.”
Other benefits consist of enhanced action as well as velocity in addition to reduced total upkeep expenses as a result of considerably lowered running hrs on the major engines.
Notably, with this system the engines are smaller sized than would typically hold true in a yank of this power (3512 vs. 3516 engines). The extra power to accomplish optimal bollard pull originates from the C32 engine that likewise drives the Fi-Fi pump. The equipment arrangement as well as power circulation situations for the 4 operating settings are highlighted listed below:
PULLING EQUIPMENT
Towing equipment includes;
- DMT Type TW-E 250KN electrical dual drum hawser winch with a pull of 250 kN at 0– 9 meters/minute on reduced rate as well as 80 kN at 0– 28 meters/minute over rate
- Data Hidrolik tow hook
- Data Hidrolik 5 tonne aft capstan
ATTIRE
The vessel has actually been furnished to Sanmar’s common really high criteria for a staff of 6 individuals. The major deckhouse consists of the galley, mess, 2 police officer cabins, as well as a typical WC. The reduced deck consists of 2 dual berth cabins, a washing, galley shops, as well as a typical WC room. The wheelhouse gives all rounded optimum presence as well as remarkable presence to the bow as well as side fendering. The engine space includes a little, audio immune switchboard space.
On tests, Bo ğaçay XXXVIII accomplished 70.35 tonnes bollard pull as well as a complimentary running rate of 13.3 knots.
