Chapter 229

Although the original function of the waterwheel is to draw water, that is, to lift water from a lower place to a higher place, which is suitable for drawing water from the river to the outside of the river bank, with the continuous development of the waterwheel, people gradually realize that it is a great waste for the waterwheel to only draw water.

The power of the water flow is very strong, and once the water wheel is driven by the water flow, the power generated is also great.

Especially on the main shaft of the waterwheel, because of the force arm and torque, the power generated by the rotation of the main shaft of the waterwheel is great.

Even if the thrust force of each horizontal plate of the water supply truck is only five kilograms, the torque of the main shaft of the water supply truck can be roughly calculated by applying a later formula.

According to the conversion of one kilogram force equal to 9.8 nm, the spoke length of the waterwheel is five meters, that is to say, a horizontal plate can bring 245nm torque to the main shaft.

And the maximum torque of a car engine with a displacement of 2.0 is only about 200 nm.

Not to mention that there are 16 horizontal plates on the water tanker

People in ancient times could not calculate the arm of force, torque and other things, but this did not prevent people from clearly realizing that the main shaft of a water wheel could actually do many things after it turned.

As a result, whether in China or Europe, waterwheel was used to do more things in ancient times.

Just like in Europe in this period, it is very common to use water wheel as power. Before watt successfully improved the steam engine, hydraulic drive was a very important source of power in European countries.

The two water tankers made by gaoshu tribe are experimental in nature, so the diameter of the water tankers is only about 10 meters. This is a small water tanker among the water tankers.

However, even a small waterwheel, through the rotation of the spindle to drive other workpieces for some work is more than enough.

A gear with a diameter of about half a meter is fixed at the end of the main shaft of the water tanker. The large gear is also cast.

Thanks to the calculation formula of gear modulus provided by stone bear to Jack, this gear is made very well.

When the spindle rotates, it will rotate with this gear. If the rotation speed of the water wheel is three revolutions per minute, then the rotation speed of the big gear is also this speed.

Three laps a minute is a relatively fast speed for a waterwheel, but it is very slow for mechanical power.

However, as the driving gear, the gear has a large diameter and a large number of teeth, so once a pinion is meshed with it, the speed of the pinion will be increased by N times.

It can be calculated by applying a very simple formula of later generations.

For example, as the driving gear, the number of teeth of the big gear is 72, and the speed of one minute is 3 turns. When a driven wheel with six teeth is meshed with the driving wheel, the driven wheel can reach 72 △ 6 in one minute × 3 = 36.

The speed of 36 revolutions per minute is certainly very slow for a machine, but it is enough for today's tall tree tribe.

If the waterwheel wants to drive a large mill, the speed of 36 revolutions a minute is too fast.

Of course, if you want to get a higher speed, you need to carry out a two-stage transmission.

For example, if the tribe needs a device with five revolutions per second, a shaft can be installed in the driven wheel, and a gear with more teeth can be installed at the other end of the coaxial line. This gear will act as a secondary driving wheel, and then drive another driven wheel with less teeth.

As long as the ratio of the number of teeth is calculated, the spindle of the waterwheel with three revolutions per minute can drive a workpiece with five revolutions per second, that is, 300 revolutions per minute. Even if the revolution is a little higher, as long as it is not a heavy load workpiece, it can also drive.

Therefore, in order to drive more different workpieces to rotate, Jack designed several gears with different number of teeth. These gears are used as passive wheels. According to the speed requirements of different equipment, different gears are used to drive.

In fact, in the project of stone bear, the main purpose of these two water tankers is to test. Once the test is successful, the function of these two water trucks is to draw water and drive the stone mill.

After all, this is the base camp of gaoshu tribe. Some industrial matters will not be done here. The main purpose of gaoshu tribe is to live and produce food, so the two water tankers are mainly to draw water and serve the daily life of the tribe.

Once these two water tankers are successful, larger diameter and more water tankers will be erected on the side of Daqingshan tribe.

As the industrial base of gaoshu tribe, Daqingshan tribe is the place where water power is used most.

However, this is a matter of great urgency. First, the two water tankers can be completed, and the two water tankers can operate for a long time, so that more and larger water tankers can be set up in Daqingshan tribe.

If we do not consider other reasons, in terms of pure power, hydraulic power is actually better than steam engine.

Once the water conservancy can be vigorously developed, then with this abundant power guarantee, other planned work can be carried out slowly.

For example, water looms, mule machines.

With Jack and the golden finger of the stone bear, it's not difficult to make these two things. Once major Jack agrees to set up a textile mill in Europe and promote the two machines at the same time, the stone bear will be able to get some urgently needed things from the European continent in the next few years.

As later generations have said in a sentence, the driving force of industrial development comes first.

The successful erection of the waterwheel provided the most powerful guarantee for the future industrial development of gaoshu tribe.

The second waterwheel was set up the next day, and the effect was no different from that of the first one.

Two big guys stand by the river, which has become a big landscape of gaoshu tribe.

Sooner or later, the people of the tribe will come here whenever they have time to enjoy the two indefatigable water wheels.

After Lao Mu's family set up the two water tankers, Lao Mu led his two sons and other clansmen to Daqingshan tribe. Now that the two water tankers were successfully set up, their next task is to make bigger water tankers.

Lao Mu's two grandsons led other people to build new wooden houses next to the two water tankers.

These two big wooden houses will be the place where the water power millstones will be put in the future. At present, in addition to pumping water, the biggest function of these two water tankers is to drive four big mills, which are specially used to grind things for the tribe people.

Of course, the two water tankers are also supervised by special personnel, such as adding refined grease to the bearings regularly for lubrication, and monitoring the operation of the water tankers.

In any case, these two big water tankers have become treasures in the eyes of all the people of the gaoshu tribe