15. RVs need waterway antifreeze treatment in winter. The usual methods are: 1. Drain the water in the RV. Some RVs need to use an air pump. 2. Add antifreeze, the antifreeze here is for RV. 3. Water tanks and waterways are usually heated by 12V electric heating. The disadvantage is that the power cannot be cut off. 4. Put the RV in a warm place.
16. The function provided by the solar panel of the RV is only an auxiliary function to ensure that the battery does not lose power, and cannot be used as the main power supply. This may be controversial, but the facts speak louder than words.
17. The towing ball head of the tow car is divided into: 2 and 5/16 inches (2.3125 inches, about 58.7 cm), 2 inches (50.8 cm), 50 cm, etc., and the wiring harness is divided into 13-pin wiring harness, 7-pin wiring harness, 4 Needle harness etc.
18. A car can tow a caravan. In fact, there is another way to play it, that is, the caravan tows a car. Just like riders bring a bicycle, but they bring a car.
19. How much sleep is suitable for a caravan? This question is different for the beholder and the wise see the wisdom, but usually the two are the best. The reason is simple. In a small house of ten square meters, how many people do you think are suitable for living together? The elderly are too old to live in a long-term RV; children, they don’t want to play with you when they are over ten years old; Clear in a small space? Stop it.
So I would advise those riders who plan to put all the seven aunts and eight aunts in the RV, give up.
20. In general, the furniture, home appliances, water pipes, circuits, and even screws used in RVs are different from those used at home. The reason is simple, the use of the environment is different. The interior space of the RV is small and in a state of continuous motion, while ordinary household appliances and furniture only need to be placed at home without moving.
21. The circuit in the RV is divided into three parts, which are 12V driving circuit, 12V living circuit and 220V living circuit. The 12V driving circuit and the 12V living circuit are relatively independent, each having its own power source, storage battery, and electrical appliances.
Figure: Some pictures are from the Internet.
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