What was the fire signal from mountain to mountain during the Stone Age – a sign of communication, is today solved in many ways in other ways. Because lighting a fire is not that easy anymore. One means of attracting attention today is the whistle , A whistle can be used with little effort (colloquially „puff“). By blowing in these are produced quite loud and very well audible tones. As whistle Above all, a whistle is designated, which serves to warn against dangers or to make aware of dangers or of danger that directly affects one. Signal whistles are used primarily in shipping, in the navy and the fire department, but also in the private field of application, namely for self-defense. In the light of recent developments in violence against women, the whistle experienced a small renaissance. With a whistle But also shipwrecked can draw attention to themselves, as there are also versions that are quite buoyant even in seawater. On lifeboats of luxury steamers include whistles, which have a hand strap to the basic equipment. These serve to make shipwrecked people on the high seas aware of themselves. These whistles range in the range of more than 100 dB and are designed according to the ISO 12402-8 safety standard. Even on private yachts should be such a whistle for emergency always with you.

Transport possibilities of the whistle and features

But not only on the sea, but also for an upcoming mountain rescue, a signal whistle can give the approaching rescuers an indication of the location of the missing person. In addition, the whistle is mainly used by fire departments and the Technical Relief Agency in the context of evacuations. The whistle, which is usually made of plastic, can be transported in different ways. Most whistles have a plastic-shaped ring for attachment to a keychain. Accordingly, you can also attach the whistle to the pants loops with a corresponding metal ring. Other signal whistles are easy to fold out and can be stored very well and compact while hiking or climbing. Basically, a whistle even fits in a purse. It would only be awkward in case of an emergency to get out the purse and bring help with the help of the signal whistle. By the way, it does not matter which color the signal whistle has. It can be black, orange, red or a different color! In addition to a loop, there is also a clip for some whistles. Other whistles are attached to a chain, others you can just put it in the bag. With its help, the whistle is also very easy on one backpackto fix. The whistles themselves are very robust and can fall down from a slightly higher altitude. Most pipes are made of metal, others of a robust plastic.

orchestras

The sound of the whistle is determined by the sounding body. A whistle can have more than just one body. There are pipes that have up to three different sounding bodies. This then gives three different pitches. These sound bodies can be addressed by holding the various openings accordingly.