• Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub
  • Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub
Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub

Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub

Product Details:

Place of Origin: Chongqing of China
Brand Name: JUVI
Certification: CCS, LR, BV, ABS, GL, DNV, RINA, etc.

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: negotiable
Delivery Time: 25 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Detail Information

Product Name: Propeller Bow Side Tunnel Thruster Certificate: CCS ABS LR DNV BV KR RINA
Type 1: Controllable Pitch Propeller (CPP) Type 2: Fixed Pitch Propeller (FPP)
Type 3: Bow Side Tunnel Thruster Application: Marine Ship Vessel Boat Yacht
Drive: Electric/ Diesel Engine/ Hydraulic Material: Aluminum/ Stainless Steel/ Copper
High Light:

6 Blades Fixed Pitch Propeller

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Marine Ship Fixed Pitch Propelle

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Tugboat Propeller Hub

Product Description

Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub

3 4 5 6 Blades Fixed Pitch Propeller FPP Marine Ship Vessel Bulk Tanker Tugboat Propeller Hub

 

 

Specification

 

CPP Bow Thruster Technique Data
Model JV1000 JV1100 JV1300 JV1650 JV2000 JV2400 JV2800
Max. input power (Kw) 280 315/335 445/480 680/730 1050/990 1580/1720 2000/1910
Reduction ratio 3.09 3.09 3.78 4.72 4.82 4.645 4.395
Max.input speed (r/min) 1450/1750 1450/1750 1450/1750 1450/1750 1450/1190 980/1190 980/880
propeller speed (r/min) 469.1/560 469/566 384/463 307/370 301/247 211/256 223/200
Propeller dia.(mm) 100o 1100 1300 1650 2000 2400 2800
Max. thrust 43 46/47 66/67 97/105 155/144 239/242 298/297
cylinder standard length (mm) 1045 1045 1190 1446 1680 1990 2280
cylinder standard inner dia.(mm) 1020 1120 1328 1680 2030 2430 2836

 

Propeller

 

A propeller is a device that relies on blades to rotate in air or water to convert the rotational power of the engine into propulsion. There can be two or more blades on the hub, and the back side of the blades is a spiral surface or a spiral surface. propeller. There are many types of propellers and are widely used, such as propellers for airplanes and ships.

 

Side Thruster

 

Side thruster refers to a device that assists the ship's steering. Generally, it is a propeller driven by an electric motor in the transverse pipe of the bow, which can discharge water on one side to the other side, and assist the steering of the ship by the reaction force of the water. When the ship leaves, docks or sails at low speed, the rudder has little effect, and the thruster can improve the maneuverability of the ship. Some are equipped with side pushers at the bow and stern to move the ship laterally or steer on the spot.

 

Geometric parameters

 

Actual pitch (Hg)

 

The distance traveled by the aircraft in one revolution of the blades. Hg=v/n can be used to calculate the actual pitch value of the propeller. The value of the geometrical pitch of the propeller used by the aircraft can be roughly estimated according to H=1.1~1.3Hg.

 

Theoretical screw moment (HT)

 

When designing the propeller, it must be considered that the speed of the air flowing through the propeller increases, and the airflow speed flowing through the rotating plane of the propeller is greater than the flight speed. Therefore, the theoretical pitch of the propeller relative to the air will be greater than the actual pitch.

 

Picture

 

Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub 0Marine Ship Fixed Pitch Propeller FPP Tugboat Propeller Hub 1

 

Pull change

 

Change with speed

 

When the flight speed is constant, the tangential speed (U) increases when the speed increases, the pitch ratio decreases, the angle of attack of the blade increases, and the propeller pull coefficient increases because the pull is proportional to the square of the speed, so it increases. At high throttle, the pulling force can be increased.

 

Change with speed

 

In the case of constant speed, the flight speed increases, the pitch ratio increases, the blade angle of attack decreases, and the propeller pull coefficient decreases. , The pulling force decreases accordingly. When the flight speed is equal to zero, the tangential speed is the resultant speed, and the blade angle of attack is equal to the blade angle. When the aircraft is on the ground, the flight speed (V) is equal to zero, and the angle of attack of the blades is the largest. In some profiles, the aerodynamic performance of the propellers is not necessarily the maximum because the angle of attack is too large to exceed the stall angle of attack.

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