Lightning is one of the big FAQs on yachting forums. Do a search to check out previous threads on this site.
Yachts do occasionally get hit, though less often than you might think given the apparent vulnerability of the mast. Most reports come from Florida because of the concentration of yachts and the number of severe thunderstorms there. It rarely seems to result in death or the loss of a yacht, but almost always in serious damage to electronic gear and electrics generally, and localised scorching.
There are many theories about (i) how to repel lightning (ii) how to ground it safely if struck. For ever well-argued, convincing case that you can find on the internet, you will find another equally authoritative arguing the other way. There are a number of protection devices available of questionable efficacy - rarely seen in practice, certainly in the UK.
The one thing everyone agrees on is that if you are caught out in a severe thunderstorm it is advisable, if possible, for all crew to remain inside the cabin.
Read more at http://www.ybw.com/forums/showth ... ojGAXm35Kyyg6s3Z.99
做法和楼上说的一样 |