Stern Gear Systems

The stern gear is one of the most important systems in a boat and deserves special attention. After all, a well-calculated,manufactured and installed propeller shaft system can greatly enhance the performance and reliability of your boat. Our engineers,responsible for propulsion systems, feel like they represent the heart of the boat. They work with only the best quality propellers,propeller shafts, stern tubes and couplings to design perfectly tuned systems.The desired boat speed, waterline length, hull shape and weight are the key factors to determine the perfect engine and gear boxcombination for a boat. Stern gear transfers the power of the engine to the water. The determination of the optimum propeller isspecialized work that has to be carried out with sophisticated propeller calculation programmes and needs above all, experience.VETUS has many years of experience with stern gear and offers a wide range of products which are environmentally friendly andwhich increase comfort on board. Water-lubricated propeller shafts eliminate the need for oil or grease while flexible couplingsabsorb deviations in the alignment of the propeller shaft and ensure that vibration transferred from the propeller shaft system tothe boat is kept to a minimum.A well-designed stern gear system needs• A dynamically balanced propeller to prevent vibration, resonance and cavitation• A propeller shaft to transmit the engine power to the propeller• Rubber bearings to ensure that vibration and noise are reduced to a minimum• A stern tube and reliable stern gland• A coupling to make alignment of the shaft and engine easier

Propeller 4 Blades

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Approx. Rs 60,000 / PieceGet Latest Price

Product Details:

Minimum Order Quantity	1 Piece
Material	Other
Usage/Application	boats with inboard engines
Brand	Vetus
Rotation	LHS or RHS
Product Type	Marine Propeller
Number Of Blades	4
Certification	CE MArine
Features	Uniform pitch
Number Of Blade	4
Number of Blades	4
Sense of Rotation	Right Handed
Disk Area Ratio	0.85 (Fa/F)
Shaft Hole Diameter	35 (mm)

Four bladed bronze propeller, Type P4E, suited to "semi-paning" boats with speeds up to 16 knots. Pre-machined for Vetus 35mm (SA35) shaft.

Material “Bronze” is the common denominator of a great variety of alloys. VETUS propellers are made of manganese bronze, an extremely resilient, yet very flexible material. By virtue of their material specifications, VETUS propellers, when damaged, can nearly always be repaired. The choice of a good (VETUS) propeller, combining all qualities mentioned above, is therefore of utmost importance!

Please specify the sense of rotation and pitch required in the notes section of your order. The diameter and the pitch of propellers are nearly always given in inches (1” = 25.4 mm).

Additional Information:

Item Code: P4E18X
Delivery Time: 6 weeks

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Propeller 3 Blades

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Approx. Rs 19,000 / Piece(s)Get Latest Price

Product Details:

Minimum Order Quantity	1 Piece(s)
Material	Bronze
Usage/Application	Boats from 5 meters to 15 meter
Brand	Vetus
Size	upto 60 mm dia
Certification	3 blade
Features	Uniform pitch
Number Of Blade	3
Number of Blades	3
Sense of Rotation	Left-handed
Disk Area Ratio	0.52 (Fa/F)
Shaft Hole Diameter	25 (mm)

Three bladed bronze propeller, Type P3B, suited to "displacement" craft with speeds up to 10 knots. Pre-machined for Vetus 25mm (SA25) shaft.

Material “Bronze” is the common denominator of a great variety of alloys. VETUS propellers are made of manganese bronze, an extremely resilient, yet very flexible material. By virtue of their material specifications, VETUS propellers, when damaged, can nearly always be repaired. The choice of a good (VETUS) propeller, combining all qualities mentioned above, is therefore of utmost importance!

Please specify the sense of rotation and pitch required in the notes section of your order. The diameter and the pitch of propellers are nearly always given in inches (1” = 25.4 mm).

Additional Information:

Item Code: P3B12X

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Bullflex Type Flexible Coupling

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Approx. Rs 35,000 / Piece(s)Get Latest Price

Product Details:

Minimum Order Quantity	1 Piece(s)
Brand	Vetus
Packaging Type	Box
Max RPM At Zero Misalignment	6000
Max RPM At Two Degree Misalignment	3000
Depth	150 mm
Length	152 mm

The Vetus Bullflex Coupling has been specially designed to ensure optimum damping of vibration, with excellent ease of installation.

Its pre-tensioned rubber element ensures low-noise and vibration-free transmission, without backlash between the engine and the propeller shaft.

Another strong point of the Bullflex coupling is the excellent alignment; even with a misalignment of 2°, the shaft will remain perfectly centered.

ADVANTAGES OF THE VETUS BULLFLEX COUPLING:

Very high flexibility
Optimum damping of vibrations
Secured against shearing off (axially and radially)
Misalignment of up to 2° permissible
Excellent centering of the shaft, allowing for high shaft revolutions, even at 2° misalignment
The shaft will remain centered even in reverse gear
Possibility to remove the centering ring
Built-in thrust damper
Non-tapered clamping hub, for perfect centering and easy assembly/dismantling

Which Size Bullflex Coupling do I need?
The calculation is fairly simple - to determine the HP/100 r.p.m ratio figure the equation is:
(Engine HP x 100) / The maximum speed of the propeller shaft.

TYPE	DIN 6270 B = PLEASURE CRAFT Kw (HP)/100 SHAFT RPM	DIN 6270 A = COMMERCIAL CRAFT Kw (HP)/100 SHAFT RPM	MAX TORQUE Nm		MAX RPM AT ZERO MISALIGNMENT	MAX RPM AT 2° MISALIGNMENT	D	L	d	d
BULLFLEX	DIN 6270 B = PLEASURE CRAFT Kw (HP)/100 SHAFT RPM	DIN 6270 A = COMMERCIAL CRAFT Kw (HP)/100 SHAFT RPM	DIN 6270 B	DIN 6270 A	MAX RPM AT ZERO MISALIGNMENT	MAX RPM AT 2° MISALIGNMENT	MM	MM	MM	INCH
1	0.8 (1.1)	0.5 (0.7)	75	45	7000	3500	100	85	20,25	1
2	1.6 (2.1)	0.9 (1.3)	150	90	6500	3250	120	120	20,25	1
4	3.1 (4.3)	2.1 (2.8)	300	200	6000	3000	150	152	25,30	1
8	6.3 (8.5)	4.3 (5.8)	600	410	5000	2500	170	166	30,35,40	1.25,1.50
12	9.8 (12.8)	7.1 (9.6)	900	540	4000	2000	200	177	35,40,45	1.50,1.75
16	12.6 (17.1)	9.8 (13.3)	1200	935	4000	2000	205	197	40,45,50	1.50,1.75,2
32	23.0 (31.3)	18.6 (25.3)	2200	1780	3600	1800	260	263	40,50,60,70	1.75,2

Additional Information:

Item Code: BULFL

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Uniflex Flexible Coupling

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Approx. Rs 22,000 / Piece(s)Get Latest Price

Product Details:

Minimum Order Quantity	1 Piece(s)
Brand	Vetus
Weight	6.9 kg
Depth	199 mm
Length	131 mm
Shaft Diameter	40 mm

Exact alignment and concentric installation of a propeller shaft in a boat is not easy and often not even possible. VETUS flexible couplings of the Uniflex type solve these problems. Uniflex couplings have extra features that permit a misalignment of 2° , so that they will centre the shaft to the gearbox, resulting in an ideal flexible coupling for a propeller shaft with a self- aligning bearing and an engine on flexible supports.

If the propeller shaft is connected to the engine at an angle of 2° , then the maximum admissible number of revolutions is 1500 r.p.m. on the shaft. These couplings are axially and radially secured against shearing off.

Type Uniflex 16: with cylindrical bore and clamping hub for shaft with a diameter of 30-35-40 mm with 4” and 5” connection for Hurth, Velvet, TD, ZF, PRM and other makes.

TYPE	DIN 6270 B = PLEASURE CRAFT Kw (HP)/100 SHAFT RPM	EG : AT 1500 RPM, MAX ADMISSIBLE POWER IS (DIN B)	DIN 6270 A = COMMERCIAL CRAFT Kw (HP)/100 SHAFT RPM	D	L	d Ø	WEIGHT
TYPE	DIN 6270 B = PLEASURE CRAFT Kw (HP)/100 SHAFT RPM	EG : AT 1500 RPM, MAX ADMISSIBLE POWER IS (DIN B)	DIN 6270 A = COMMERCIAL CRAFT Kw (HP)/100 SHAFT RPM	MM	MM	MM	KG
Uniflex 13	2.6 (3.6)	15 X 2.6 = 39kW (53pk)	1.8 (2.5)	130	98	20,25,30	2.4
Uniflex 6	3.9 (5.3)	15 X 3.9 = 58.5kW (79.5pk)	3.3 (4.5)	137	81	20,25,30,35	2.7