Some standard content:
UDC 629.125. 5
National Standard of the People's Republic of China
GB 11573—89
Technical conditions for totally enclosed lifeboats
Specification for totally enclosed lifeboats Issued on August 10, 1989
Implementation on March 1, 1990
Issued by the State Administration of Technical Supervision
W Subject content Applicable description+
Quotes
Technical requirements
5 Test methods
Inspection and measurement
（—）
：(1)
W. National Standard of the People's Republic of China
Technical conditions for totally enclosed lifeboats
Specification for totally enclosed lifeboats lifeboatsGB11573-89
This standard refers to the International Maritime Organization (IMO) "1974 International Convention for the Safety of Life at Sea (SLAS) 1983 Amendment", IMO "Recommendations for the Testing of Non-Equipment" [Hainan A. 521 (13) Resolution] and "US SO1AS 1983 Amendment and Haida A. 521 (13) Resolution 41 Clarification of Some Provisions (Hainan 444 Circular). 1 Subject Content and Scope of Application
This standard specifies the technical requirements, test methods, inspection rules and specifications for steel closed lifeboats (hereinafter referred to as lifeboats). This standard applies to: fully enclosed lifeboats for international and domestic navigation ships and offshore platforms. This standard does not apply to self-propelled fully enclosed lifeboats.
2 Referenced standards
R1146 General principles for test methods for properties of fiber reinforced plastics GR 1447
Glass fiber reinforced plastics Test method for tensile properties GB 1449 Test method for strength and bending properties of glass fiber GB 1151
Gl 2408
Glass fiber reinforced plastics Test method for simply supported beam impact resistance Test method for water absorption of steel
Test method for combustion properties of plastics
Water combustion method
Basic environmental test method for products in China Ka: Salt test method GB 2423.17
GB11574 Types and basic parameters of fully enclosed life-saving equipment 3 Terms
Full load state
The state in which the life-saving equipment is installed and loaded with heavy objects such as its accessories and the quality of the passengers. b. Wheel load state
The state in which the life-saving equipment is installed and loaded with heavy objects such as its accessories. 4 Technical requirements
General requirements
4.1.1 The type and performance of the life-saving equipment shall comply with the provisions of G11574. 4.1.2 The life-saving equipment shall be designed according to the drawings approved by the inspection department. 4.1.3 The permissible deviation of the micro-main condensate parameters is: combustion length
1,2 micro-amine and runability
,2.1 The rescue boat shall be designed to have sufficient emergency response in the fully loaded state at sea, even if the waterline meets the national technical supervision standard 198908.10
1990-03 01 implementation
WGB 11573—89
The following is a special letter, as long as the public materials, should also maintain positive. 4.21.15 The quality of the determination needs to be dense and single in the birth heart I-example, a dazzling to the degree of "5": "Generally, the waterline is the most likely to be safe and the water state is the lower opening of the element, 4.2.1.2 According to the life extension and stability of the company, all personnel are required to use the safety system when the safety system is attached, and the representative is able to
4.2.1.3 The life-saving unit is below the small line when the rate of damage is damaged, and the material must not be lost, or it must be slightly affected. In the case of the disappearance of the active ability to print the place, it is necessary to provide a waterline to allow the waterline to be provided. 4.3 Inspection of the structure of the boat
4.3.1 The boat shall be of sufficient strength to: a. be able to land safely under the oil load; b. be able to land safely under the oil load in the water at a flow rate of 5kn; d. be able to withstand a lateral impact with the side of the boat for at least 3.5ms; d. be able to withstand a water impact from at least 3 heights; 4.3.2 The structure of the seat shall be sufficient to: a. be able to land safely under the oil load; b. be able to land safely under the oil load in the water at a flow rate of 5kn; d. be able to withstand a lateral impact with the side of the boat for at least 3.5ms; d. be able to withstand a water impact from at least 3 heights; 4.3.3 The structure of the seat shall be sufficient to: a. be able to land safely under the oil load; b. be able to land safely under the oil load in the water at a flow rate of 5kn; d. be able to withstand a lateral impact with the side of the boat for at least 3.5ms; d. be able to withstand a water impact from at least 3 heights; 4.3.4 The structure of the seat shall be sufficient to: 100kg can be allowed in addition. Each seat should be equipped with a safety belt, which can be used as a rescuer in the rescue situation. 4.3.3 The vertical height of the floor surface should be at least 1.7m corresponding to the surface of the pole, and the height should be at least 60 meters. 3.4 There should be a rigid water-soluble low-profile landing passage that can completely lift the lifeboat into the water and maintain the lifesaving function. The passage should be arranged in a complete manner, so as to facilitate the lifesaving operation and reduce the number of lifesaving points in the boat. The passages should be connected from both inside and outside, and should be watertight, and should also be able to make them reliably. d. Should be able to move relatively smoothly:
1. The number of people in the boat should ... 4.4 The quota of the fund-raising of nuclear 4
The quota of the effective life staff shall be determined according to the standard of the seat collection and management, which can make the half-time of the inner quality 75k, and all the wearers of the life jackets shall be in the correct posture without affecting the model of the propulsion equipment or the number of equipment: 4.5 Life-saving passage
4.5.1 The life-saving equipment of the passengers shall enable the department to board the boat and leave quickly. 4.5.2 The effective certificate of the equipment shall enable the department to purchase the personnel to issue! 4.5.3 The equipment can be used in all aspects of life, which can be used to record the effectiveness of the boat in the water. The minimum distance below the waterline of the small boat should not be too small. 1.5.4 The main landing position should be able to control the personnel of the public department to select or select the personnel. 4.5.5 All possible buoyant products have non-slip 4.6 The life-saving technology is not affected by the inherent strength of the sea water, non-first or second-hand products, and can be used to extend the buoyancy under the water. The buoyancy of each crew member shall be provided with 280° of buoyancy. 4.7 Lifeboat propulsion equipment 4.7.1 The lifeboat shall be of a water-cooled, fuel-fired, gas-fired type engine approved by the ship. 4.1.2 No engine slats, plates or other obstructions shall impede the operation of the engine. 4.7.3 The propeller auxiliary system shall be capable of being separated from the engine. Lifeboat brake and reverse device shall be provided. 4.7.4 The exhaust pipes of the engine shall be capable of preventing water from entering the rear of the engine when it is in normal operation. The engine bracket, air pipe and other openings shall be such that no water can enter the lifeboat when it is properly operated. 4.7.5 The lifeboat entry system must be equipped with protective facilities to ensure the safety of people in the water and to prevent the entry of objects into the system: 4.7.6 The forward speed of a fully loaded rescue boat in calm water should be at least 6kn with all auxiliary equipment driven by engines in operation; the forward speed of a 25-person lifeboat with a full crew and accessories or an equal mass in front should be at least 2kn in calm water. It should be equipped with appropriate temperature control equipment. The fuel used shall be sufficient to provide a full-load lifeboat with a lifeboat capacity of at least +-24 hours.
4.7. The engine, transmission and engine accessories shall be equipped with a fuel tank or other facilities that can provide such protection. These facilities shall also be able to protect personnel from accidental contact with the transmission and rotating parts. Suitable devices to reduce noise shall be provided. The power supply room shall be equipped with a battery box that can discharge the electricity into water. The discharge box shall also be equipped with a rechargeable battery. 4.7.8 All batteries used in the engine, power supply, headlight and searchlight shall be equipped with charging equipment and can obtain a power source of no more than 1. The power supply shall be provided at the designated position of the shift. 4.7.9. The engine and transmission assembly must be installed while driving or waiting. The waterproofing of the engine must be marked on the label plate near the engine control equipment:
4.7.10 The engine and its equipment may be able to operate in any position during the rescue operation, and continue to spin after the rescue operation returns to the upright position, or may be able to be connected during the rescue operation. When waiting for the vehicle to move, it is easy to move forward again after returning to the anti-floating position. During the capsizing process, fuel economy should not be used, and the flow volume of the lubricant should be more than 250mL: 1.8 Rescue: dirty pretend | As long as the water is clear, when the lifeboat is close to the water, the tree can automatically open the door to allow water to drain out of the boat; when the lifeboat is in the water, it can automatically close the door to prevent water from entering. Each drain valve shall be equipped with a stopper capable of closing it, and shall be tied with a hook, chain or other suitable and agreed-upon means: Number of workers: The drain valve shall be located so as to be easily accessible. The price is clearly marked
4.8.2 The motor boat should be equipped with a function handle (or a rotatable flow tube) that meets the following requirements: a. When the control function (or a flow tube) is equipped with a gastric fire spirit At this time, the boat handle is moved to control the energy (or diversion pipe); b, the lower cabin rod is permanently installed to prevent the water handle from flowing into the water. When installing a suitable controllable function, the steering wheel can be detachable, and the steering wheel should be able to be safely stored on the rudder stock:
c. The operation room of the rescue or emergency response was damaged. 4.8.3 Except for areas near the spiral, buoyant lifelines should be installed along the outside of the boat. 4.8.4 The rescue chain should be equipped with a watertight containment or cabin of sufficient capacity for protection as specified in Article 4.9! Car storage equipment. Containers should be available for the scented water collected during pregnancy extension.
4,8.5 The rescue boat should be equipped with a hook release device that meets various requirements. The hook release device should be able to float from the rescue boat to the water with the hook lowered. The normal hook can be released at the same time from no load to 1.1 fully loaded boat load;
b: This device should be able to release the landed lifeboat when the ship is moving at a speed of 5k; c .The device should be equipped with a yang: .It should not be used when no one is using it. The selector handle for releasing the watch should be marked regularly, and its amount should be clearly distinguishable from that of the tone;
d. The equipment should be designed according to the strength limit of the selected machine material and the safety factor is 6, and it is assumed that both navigation ropes bear the weight of the entire boat; the medical system should have sufficient anti-crime capability
4.8.6 The boat should be equipped with a cable release mechanism, which can release the boat in any position without being restricted by the stroke and in a complicated state 3
WGB 11573 89
Make it easy to explain the situation.
4.8. The effective rubber should be equipped with a permanent grounding connector for the wireless power supply and a device that can reach the main line and have suitable working conditions and fixation.
4.8.8 The lifeboat shall be equipped with boat racks and protective materials necessary for lowering the lifeboat and preventing its damage, and there shall also be facilities for tying the lifeboat when it is stored.
4.8.9 A boarding approval sign should be installed on the top cover of the cattle rescue boat. A box or several lighting fixtures should be installed inside. 4.8.10 The rescue equipment should be arranged so as to provide appropriate visual inspection from the control and operation locations to all four users to enable the safe launch and operation of the rescue equipment:
4.8.11! For a lifeboat with a maintenance system, the air maintenance system should be arranged so that when the lifeboat is closed and the engine is running for at least 1 mile, a safe environment suitable for human survival is maintained inside the boat. During this period, the power of an outsider in the domestic environment is not less than 1, and the number of households reporting to outsiders is no more than 2,000. The system should be set up to always indicate the air source! Only the table was called. The design of the lifeboat with continuous fire protection allows it to provide protection to the 4.8. The ball fire and water system shall meet the following requirements: a.
The daily suction type water system driven by the starter shall be able to open and close the sea water suction port. The water flow should be able to open and close the sea water suction port. The system should be able to absorb flammable liquids; the fabric of the system should be able to be flushed with fresh water and must not be completely discharged. 4.9 Equipment for effective avoidance equipment (according to Table 1)
Full personnel and qualifications
Floatable
Reception team
| tt | | tt | Inside the box
Rokuran Village Branch
Stainless material
Waterside Ganzhuang
Water cellar making
Fukabi City Yechiichichi Equipment Manufacturing Address
Flow only, Inquiry for fire retardant
W. serial number
teacher and student number medical explanation instruction sheet
life-saving respirator
| | tt |
Ban-Han Friendly Travel
Small Philippine Department
GB 11573—89
Film: People
Basic Requirements
To System "Dirty
Six strips printed on water-proof paper"
[on waterproof paper or water-proof packaging
Yuehuorun
Ip Wen, who often suffers from harm, thinks that it is unnecessary to waste it, so it is a good match for Shao Zhan! Passengers have to try it and it should be properly placed in the flight. It must be camped if it is not estimated! Determined, but Zhaoliu and Taipinghua should be in the couplet! In order to obtain the results, 5·Test method
5.1.1 Pass the fully loaded data through the fat cable release mechanism in calm water at a speed of 5k1, and the external strength should be able to withstand the stress caused previously. on the drag force.
When towing, the horizontal belting force should be measured at: 5kn speed\: For the strength assessment of the rescue unit at 5k1 speed, see 5.5.3 and 5.5,4. 5.1.2 Overload test||tt ||5.1.2.1 The loading test should be carried out at a full life-saving load, that is, the approved occupants (each person is 75kg) and equipment, plus 25%, 50%, 75 yuan and 100% of the full load in sequence. implemented separately. 5.1.2.2 The configuration of the carrier should be basically consistent with the actual use status of the chain. There is no need to consider the height of the center of gravity of the passenger's weight. 5.1.2.3 In principle, the number of carriers that increase in docking proportions should be distributed at the corresponding points. at the corresponding location. It is allowed to weigh the weight belonging to it and the operator, but water injection is not allowed. Respond to complaints about machine parts that may be damaged during the test and make compensation on their behalf. The following measurement records were made at full load, 25%, 50%, 753 and 100% overload: 5.1.2.4
Value at the end of the ship:
Changes in the length of the boat;|| tt||Changes in the width of the boat between the fore and aft edges: from the angle of each
The change in the depth of the hull from the edge,
5.1.2.5 When the rescuer withstands 25 degrees cold When overloaded, the keel and wide deformation measured at the above-mentioned level do not exceed 1:400 of the suitable length; the keel and deformation measured at 100% overload are the same as those measured at level 2 overload. The reward should be in proportion to the reward. For example: when the 25-end is overloaded, the variable of the keel or gut width is 16mm, then when it is 100% overloaded, it should be about .2.6 After removing the subtractive objects, there should be no significant residual deformation at the measured position after an appropriate delay (about 18 hours). The permanent deformation required at the end of the test is recorded.
5.1.3 Impact test
5.1.3.1 The impact test shall be carried out with the engine installed on the effect boat and under full load. The boat slide may be installed. The points of equipment and passengers can be replaced by measuring objects. In total, 2/3 of the crew weight is placed on the seat pole and distributed on the bottom of the boat.
5.1.3.2 Hang the fully loaded lifeboat freely, and then pull it horizontally to a storage location that is elevated 0.625m from the hanging position, so that it can be lifted to a height of 3.5m-5 after release. The speed\"collides with a fixed rigid vertical plane. 5.1.3.3 The acceleration value measured on the boat structure at the height of the net side sitting position should not exceed: 8 | The passenger direction is 7! .
There should be no damage that seriously affects its function after the collision, that is, the engine can start normally, the pin can be decoupled synchronously; the lifeboat can sail normally 5.1.3.4
The wine system can operate normally. According to the previous work, "the source system can prevent normal operation and abnormal performance that damages the structural integrity of the thrust body."
5.1.4 Drop Travel Test
5.1.4.1 The rescue equipment for swimming test should generally be loaded according to 5.1.3.1.1.4.2 Suspend the rescue boat above the water surface so that the distance from the lowest point of the boat to the water surface is 3 r. Then release the boat and let it fall into deep water. 5.1.4.3 According to the provisions of 5.1.3.4, the rescue boat should not suffer any damage that will affect its effectiveness after falling. 5.1.5 The strength test should be carried out by placing an object with a mass of 100k on each crew seat for 5 min. There should be no permanent deformation and damage after heavy loading.
5.2 Material test
5.2.1 The flame retardant performance test of the fiberglass materials for the whole and the engine unit shall be carried out according to GB2408, and the results shall comply with the requirements of GB2408 Class I.
5.2.2 The mechanical properties of the fiberglass laminates used as the hull shall comply with the requirements of Table 2, and the physical and mechanical properties shall be tested according to GB1416, GB1447, GB1149, GB 1151 and GB 1162. Table 2
Glass content
Torsion resistance
Flexural strength
Elastic modulus
Water resistance
5.2.3 Energy retention test of raw materials
Glass felt
W.CB 11573 5.2.3.1 For the stability test under temperature cycle, 6 specimens with the size of 20mm×25mm×10mm (=1mm) are subjected to an environment temperature of -30℃a.
and 65℃ at a constant alternating force. Each alternating cycle is repeated for one cycle. The following cycle can be repeated according to the following procedure: On the first day, complete an 8h, 65℃ high humidity process: On the same day, take each specimen out of the hot room and cool it at room temperature until the next day: On the second day, complete an 8h, 39℃ low temperature process: On the same day, take each specimen out of the cold room and cool it at room temperature until the next day. b. After 10 days of conditioning, verify that there is no any damage to the specimen. There should be no signs of structural changes. The two specimens should be inspected and there should be no signs of any structural changes inside. 5.2.3.2 Brightness test
The two specimens after high and low temperature tests should be placed in a high octane tank (octane value not less than 87) with a 10 mm clamp at room temperature for 24 hours. After the test, the specimens should not shrink, crack, enlarge, decompose, etc., and there should be no changes in mechanical properties. 5.2.3.3 Water absorption test
a, take 2 specimens that have been tested for 1 day, 2 specimens that have been tested for 1 day, and 2 specimens that have been tested for 1 day ... The size of each sample c. Submerge each sample in 1.25m water! After 24h and 168h, measure the weight that the sample can support in water:
d. The reduction of buoyancy shall not exceed 5%. The sample shall not shrink, crack, expand, resolve, etc., and there shall be no change in mechanical properties. 5.2.3.4 Test of stone products
a: Ten samples of 200mm×25mm×10mm (±1mm): b. Take two samples as a group and immerse them in crude oil, fuel oil, diesel, high-alkyl gasoline and coal oil at room temperature, and change the temperature at a depth of 10m for 336h, then measure the weight that each test column can support in water. The net force shall not exceed 5 rings, c. After the test, measure the size of each sample, and there shall be no signs of shrinkage, cracking, enlargement, decomposition, etc., and no changes in the structure or properties. 5.2.4 Hook parts, "waste handles, safety books, etc. shall be washed and protected from salt spray for 16 hours according to GH2423.17. After the recovery treatment is completed, check the action of these parts. 5.3 Lifting test and "reduction test" 5.3.1 The test proves that the lifeboat has stability in the support area. During the test, the loading situation of 5.1.3.1 is solved, but the weight is multiplied by 280 because of the buoyancy caused by water ingress. The center of gravity is 300mm above the surface of the board. For the lifting equipment that will cause war, the lifting ring can be removed and replaced with heavy objects. Then, fill the boat with water, and wait until the water inside and outside are level, and then the boat will not tilt.
5.3.2 Load the lifeboat with the engine installed on one side of the boat according to the mass of all its parts and the number of passengers. Then measure the bottom of the boat from the water level to the lower edge of the door. The value should not be less than 1.5 times the length of the boat. 5.3.3 The door righting test of the lifeboat should be carried out in full load and wheeled state respectively. When the door righting test is carried out in full load state, the weight of the parts or their substitutes should be fixed on each seat, and the center of gravity should be kept 300mm above the center plate. The door righting test in full load state is the same as that in full load state except that the mass of the passengers is not tested. The engine should be started and allowed to rotate. Then, try to turn the closed lifeboat (except the ventilator) gradually to 180 degrees, so that it is tilted and released after it stabilizes. It should be able to automatically return to the upright position. After it is upright, it should be started and operated for at least 1 minute. 5.3.4 Fill the lifeboat in a slightly disabled state with water until it is halfway up the water surface. Then, open all the doors and try to slowly turn it around its longitudinal radial by 1 degree to make it tilted. After the problem is solved, release it. It should be able to automatically return to the upright position. Provide a waterline for the passengers to escape. Among them, it can be replaced by a warning object and arranged in the appropriate position. Appropriate measures should be taken to prevent water from entering the engine or to detect it: equivalent heavy objects should be tried instead. The impact device that will cause damage to the environment can be removed and replaced with a considerable heavy object.
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GB11573-89
5.4.1 Life-saving photos can be installed on the engine! After the child must be equipped with the equipment, use a homogenous mass of 5 in the Sichuan River to fully wear the teaching table of the most "calibration" quantitative consultation personnel and build a confidence place in the class. The boarding should be completed within the call, and then the rescue cow should be operated and tried out, so that the learners can use it easily. 5.4.2 The ability of the onboard equipment to handle the load of the aircraft shall be tested by the following methods: 5.5 Release mechanism certification
5.5.1 The release mechanism shall be pulled back to the rated load limit, and the load of the structure shall not fail. 5.5.2 The fully loaded engine shall be lifted to the surface of the water by the engine, and the release mechanism shall be released by the hook when the engine is fully loaded. It shall also be confirmed that the main engine is fully loaded on the water, and the release mechanism can also be released by the hook when the engine is fully loaded. 5.5.3 The following tests shall be passed to ensure that the release mechanism can be fully loaded during the landing and the release mechanism can be released. 5.5.3.1 The boat can be used to make the following arrangements with the towing party (see 5.1.1) at least once in a row, at least 45 degrees at a time,
11.707 H
Naturally, by designing the release structure, the ship can be more relaxed when in a state of collapse. Before the public inspection, do the following:
5.5.3.24 micro-square time, so that the whole and the time become 2 card readers together to bear the full load. Then, through the release of the operating parts, the pin should be able to be properly stimulated.
5.5.3.3 Make the ship collapse product rope ratio! 45.5.3.! The midpoint of the quarter m wind arc determined by the two trust positions of 5.5.3.2 (Figure [) is the center of the force on the garbage. The center of the whole direction makes the product rope and the stop form 26 inclinations. The chain width is still and the inquiry space is 16. The actual seat is not equal to the size of the small black circle in Figure 2. The midpoint of the second length of the circle corresponds to the radius of the force value: the half axis 2 length ratio (center of full load data) of the attached damage point. Of course, through the dyeing and release of the government agencies should be able to make the collapse of the shoes hook still released. 20
B "midpoint>
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GB 11573-89
A (midpoint)
Figure? Determine the conditions for the normal turbulent forces. This test shall be carried out for each of the following tests: E, D, and E shown in the figure. 5.5.4 It shall be confirmed by the following tests that when the fully loaded lifeboat is gradually pulled at a speed of 5 kn, the corresponding structure of the lifeboat can smoothly release the boat. 5.5.4.1 The test shall be carried out in the upper half of the pool without any damage or damage to the structure. The vertical angle of the lifeboat shall be 2U40 and 60, and the horizontal angle of the lifeboat shall be 15, 30 and 45 respectively with respect to the center line of the technical room. A total of 5.5.4.2 For the test, the main force that the instantaneous collapse system should withstand is the weight H and the towing force produced under a speed of 5km/h. The axis is taken as F, and the axis is made into a chaotic line (20x, 16x), and the result is F/16. Taking into account that the center line of the main plane image has an angle of 15, 30 and 15 respectively, the tension on the cable at the above nine positions is: see formula (2), formula (3) and formula (4) - when the elevation angle with X is 20, Jh-f tosls
fh -F1 cos3m
f: =fa cas15
when compiled into 4,
Jn- f'y con15
f =Fhxos30
fh: f't cs45
and input or output:
. (2)
...(3)
W.GB 11573
fr = Fe/ ros15\
fh =Fe/ ros30
i = Fe/ cos45*
Figure 3 Determination of the nature of the force applied to the pin system
5,5.4.3 Through the release mechanism of the mouse, all the pin systems at the place of occurrence should be able to prevent and release. 5.6 Operation test of lifeboat 5.6.1 The lifeboat shall be subjected to a sea trial for at least 4 hours under full load to prove that its engine is running well and the boat is maneuverable. 5.6.2 The test shall prove that the lifeboat can carry 25 persons at a speed of 2 kn. 5.6.8 The fuel consumption of the lifeboat at a speed not lower than 6 kn shall be measured to prove that the fuel tank can provide the fuel required for continuous navigation for 21 hours. 5.6. The drain of the lifeboat in still water shall be measured and its value shall not exceed 6 kn. 5.7 Watertight test All inlets and seams of the lifeboat shall be tested with water. A water pipe with a diameter of 16 mm shall be used to flush water at the joints with a positive force of 0.1 MPa from a distance of 3 m. There shall be no obvious dripping. 5.8 Energy Test
Lifeboats with air-containment transmission systems shall be tested (hazardous). 5.8.1 Close all lifeboat ports, put the energy system into operation, and start the engine to run at full speed. During the continuous test, it can be confirmed that the internal environment layer can always maintain a pressure of no more than 2P for one person: 5.8.2. The energy system can be used at a certain level, and the energy system can also control the condensation pressure in the environment [to exceed 2000 a.
5.8.3 The test should confirm that the air source system can produce the most potential dangerous negative impact (F) when the air source is in disorder. 5.9 Performance test
Fire resistance performance test, 5.9.1 Sprinkler test
5.9.1.1 Sprinkler system test
Start the engine and sprinkler pump, let the engine reach the rated speed, measure the engine and water pump revolutions per minute and the water suction end and output exhaustion! To obtain the rotation speed and! Small observation value. 5.9.1.2 Water wetting test
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