Live Wilderness Adventure - Chapter 693 glue

In the open space, the sound of beating and beating can be heard incessantly.

Sitting on the pony, Bi Fang inserted the palm-length wooden wedge into the groove, and tapped it with a forearm-long stone hammer, smashing it into it.

With the accumulation and fixation of the wooden strips, the shape of the sled has been basically formed, and it is known from the appearance that this will be a very functional dog sled.

In the forest not far away, three idiots were sitting in rows, lying on the ground and whimpering sadly. They watched the sleds continue to take shape, but did not dare to approach. In the dark, they felt a great terror, and The horror is about to fall on the dog's head that has gone completely crazy this week.

Bi Fang didn't know what the three big silly dogs were sitting there staring at him early in the morning, but it didn't affect his work. While cleaning his teeth with a chewing stick in his mouth, he knocked down the stone hammer and continued. Work at hand.

Although a little rough, the wedges are not exactly to size, but they also hold the two long curved logs firmly together and will never come apart unless the wedges are pulled out, or the material structure breaks.

It's just that the size is a little worse, the width is just right, but the length is a little short, and there is a little looseness. Bi Fang inserted another piece of wood to cushion it, and then put resin glue on it.

Resin glue is a very effective waterproof glue. It is mainly extracted from pine trees, such as pine and spruce. It happens that they are also tree species that exist in cold regions, and there are many in the forest.

"The resin will run out of 'wounds' in the trunk, or be stored in protrusions under the bark, so the resin can be removed directly with a stick."

When he went to cut the resin yesterday, Bi Fang explained it again, but in order to avoid uninformed audiences, he repeated it again.

The live broadcast viewers come from all over the country. Due to the time difference and Bi Fang's current biological clock disorder, some viewers will definitely miss part of the content.

Judging from the 12-hour dividing line, only 10% of the audience in the live broadcast room overlapped, that is, the remaining 90% of the people probably did not hear the previous content and could only understand it through the barrage.

The big events are okay, and they can be played back at times, but some small knowledge points are not necessarily. Bi Fang can also use it to mix time and increase the fun.

It happened that the resin glue collected and made the day before yesterday was almost used up, and a new batch was made.

"We put the collected resin in a container and put it on the fire."

In the small fire pit, the resin glue is slowly heating.

"When the resin starts to melt, you will smell a strong pine oil smell, this is normal, don't worry. Be careful not to heat too high to avoid the resin being boiled, which will weaken the resin Adhesion of glue."

"Also make sure you have a lid on hand, because resin can catch fire easily. Once it does, cover the container with the lid immediately to prevent the resin from burning, if...ho!"

Just as Bi Fang was about to say it, out of the corner of his eye, he saw the firewood split open with a crackling sound, the sparkling sparks fell into the container, and then a mass of flame spewed out of the wooden bowl. Fortunately, he was quick-witted and closed the lid as soon as it started to burn, otherwise Almost lit up his eyebrows.

[Good guy, if you say burn it, burn it]

[It's too hot, it's burning brightly]

【Be careful】

After covering the wooden lid to isolate the oxygen for a minute, Bi Fang opened it again and continued.

This time 17bXwX.Com Zhang Si. "What I said just now, oh, if you have a lot of resin, and you also need to get a very pure resin glue, then you can filter the liquid resin glue, and the action must be fast, otherwise the resin glue may solidify."

"The resin will return to its previous natural state after cooling. So in order to make the resin glue harder and stronger, you need to add a 'tempering agent' to it."

"Generally speaking, there are three kinds of additives that are easily available in nature, and each of them has its own advantages. Crushed charcoal is the most commonly used additive because it is the easiest to obtain. In most cases, adding charcoal can be Yes, although the resin is relatively brittle when it dries."

"The second is beeswax. Adding beeswax can make the resin glue more flexible, but the resin glue is not strong enough, it is more greasy to the touch, and it will be softer after forming."

"The last thing is the dung, it has to be the dung of herbivores, like rabbits and deer, their dry dung is the best additive. This resin glue is the strongest and most durable, but it is not hygienic, so do not use it to glue Cups and other utensils."

What Bi Fang chose was to add charcoal, add crushed charcoal to the constantly stirring resin, and then stir thoroughly.

[Good guy, feces will do? 】

【A little outrageous】

Strong sacrifice read sacrifice. [I guess, it's a blend of fibers, plus some other special ingredients? 】

"It is difficult to determine how much blending agent should be added to make resin glue. Generally, it is added at a ratio of 1:10, and then a little is taken out to set. If it is hard after setting, the explanation is enough."

"If it's still soft and sticky, keep adding the conditioner. After adding the conditioner, the resin must be used immediately while it's hot, because it sets as soon as it cools."

"It's best to divide the resin glue into multiple portions. You can only take a part of it each time you use it, because the more the resin glue is heated repeatedly, the weaker it will be."

"The method of dividing into small portions is also very simple. Just stick a little with a stick, and then put it in water to cool and peel off. Of course, in the Arctic, air cooling is enough."

Bi Fang rolled out the viscous resin film and smeared it directly on the joint of the sled. After scraping it evenly with the bark, he immediately wrapped a long rope rubbed with water-soaked bark to reinforce it three times.

"I originally wanted to use leather glue, which is the best glue for bonding organic materials, although it also has shortcomings, that is, it will stretch when exposed to water, cannot be heated, and cannot adhere to materials such as stone, but it is not suitable for wood. Say, the effect is really good, but the leather glue..."

Bi Fang scratched his head and spread his hands: "I know from the name, this thing is made of raw hides, I have no raw hides in my hands, only a piece of cooked musk hide, and even if it is raw hides, I can't bear mine Plush sleeping bag."

[No, in fact, Fang Shen, you have raw hides, and many more]

"Um?"

Bi Fang was taken aback, does he have raw skin?

[Lao Fang, look at your left hand side, you will understand after reading it]

Bi Fang looked at his left hand suspiciously, just in time to see the three idiots sitting next to each other in a row.

For some reason, seeing Bi Fang's gaze, the three foolish tails were tucked under their buttocks, showing a tongue-in-cheek expression.

......

[Fuck, you have such a big brain! 】

[Three fools: Where did we offend you? 】

【I will obey you if you don't accept the wall】

Make a big tyrant. "Cough, after all, they still have to pull the sled, so let them go."

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