myHanse.com - Hanse Yacht Owners Website myHanse.com - Hanse Yacht Owners Website myHanse.com - Hanse Yacht Owners Website myHanse.com - Hanse Yacht Owners Website

Welcome to myHanse.com the forum for Hanse Yachts owners throughout the world.

Forum Home Forum Home > General > Cruising
  New Posts New Posts RSS Feed - Lightning Protection
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

Lightning Protection

 Post Reply Post Reply
Author
Message
RalphK View Drop Down
Lieutenant Commander
Lieutenant Commander


Joined: 08 July 2014
Location: IJsselmeer NL
Status: Offline
Points: 77
Post Options Post Options   Thanks (0) Thanks(0)   Quote RalphK Quote  Post ReplyReply Direct Link To This Post Topic: Lightning Protection
    Posted: 22 May 2016 at 12:47
Hi,

Does anybody know if Hanse does any factory installed lightning protection?
I did not find on my 385 any big dia cable connections to the keel and am wondering if I should install something.

Did anybody install any custom lighting protection?

Did anybody had any lightning stroke yet?

Any comments welcome.

Best

Ralph

SY Wind Pearl, Hanse 385#358
Back to Top
Sea-U View Drop Down
Commadore
Commadore
Avatar

Joined: 14 September 2012
Location: Norway
Status: Offline
Points: 371
Post Options Post Options   Thanks (0) Thanks(0)   Quote Sea-U Quote  Post ReplyReply Direct Link To This Post Posted: 28 June 2016 at 08:58
As I understand lightning is frightning but not deadly. It has happened some boat has been struck by lightening, but none dead as I understand.
If the lightning strikes it will follow one of the stands down to sea.
I keep myself mostly in the center of the boat and not touch any wires.
 
I would not add an extra cable. Probably more damage than good with galvanic corrosion.
Sea-U is a 370e #532 located SW Norway
Back to Top
Peter Russell View Drop Down
Captain
Captain
Avatar

Joined: 24 October 2007
Location: Wiltshire
Status: Offline
Points: 324
Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2016 at 15:11
This article may be of interest and has been published this month.  I read the article in the mag and that had the "part 2" bit about protection.  I'm not at home at the moment, but IIRC some of the issues with protection were around the path to ground and what happens if the lightening jumps off intended path.
http://www.sailingtoday.co.uk/safety/what-happens-when-a-yacht-is-struck-by-lightning/
Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
Back to Top
gertha View Drop Down
Admiral
Admiral
Avatar

Joined: 03 June 2004
Location: Pinn Mill
Status: Offline
Points: 1031
Post Options Post Options   Thanks (0) Thanks(0)   Quote gertha Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2016 at 19:22
I have met people who have had problems with lightning ,
Normal end is blown electronics , but no structural problems.
Have herd of sea cocks blown out of a boat; but not first hand.

My thought is let the Lightning run down the outside of boat , giving a path to keel may increase chance of damage and also increase the chance of a strike as you will be a better conductor.

If lightning is about , put all portable kit in the cooker, stay inside all the wire that runs round boat and pray.
And if you are at Anchor or in a marina park near someone bigger, so he gets it first!

Swanned off
Back to Top
Rubato View Drop Down
Admiral
Admiral
Avatar

Joined: 12 July 2006
Location: Canada
Status: Offline
Points: 1652
Post Options Post Options   Thanks (0) Thanks(0)   Quote Rubato Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2016 at 17:12
I have no experience with lightning but it is very similar to static electricity. With over 35 years in designing electronics the best approach is don't get it inside the product. Once inside it jumps everywhere. Early in my career we tried the "give it a good solid path to ground" approach and it doesn't work. The problem is that static/lightning is such a high charge that a single wire can not discharge it quick enough so even though you put a large wire in place to the keel, it will travel many other directions/paths as well...  Bottom line, I agree with the advice above.
Steve

Hanse 400e, #168
Back to Top
 Post Reply Post Reply
  Share Topic   

Forum Jump Forum Permissions View Drop Down

Forum Software by Web Wiz Forums® version 11.04
Copyright ©2001-2015 Web Wiz Ltd.

This page was generated in 0.109 seconds.

Links : www.hanseyachts.co.uk www.hanseyachts.com www.fjordboats.co.uk www.dehler.co.uk www.varianta.co.uk