To coat mostly the walls/windows that would protect passengers – not every single element such as the weather equipment, tender, etc….
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The Mega Yacht, owned by Russian billionaire and Chelsea Football Club owner Roman Abramovich, Eclipse is 170 metres long and cost up to an estimated USD $1.5 billion has a bullet proof stateroom and the master suite has armour plating and bullet-proof windows, and the yacht even has a missile defense system. Other features have not been disclosed.
Why should you want to do that ?
Against pirates that would be useless , they use the Soviet era RPG anti-tank rocket launchers too , those things have a hollow charge warhead for burning a hole through tank armour , which is why you see all the Abrams tanks in Afghanistan draped in steel mesh ” Schurtzen ” skirting , to catch and detonate them before they hit the hull .
What you COULD do effectively is build a yacht to contain a smal armoured ” Refuge room ” inside it , that is the way warships used to do it , rather than try to protect the whole thing with thin armour , protect a small area containing the vitals with thick armour , with none at all everywhere else ,it is called the ” All or Nothing ” system of protection .
A well placed 50 cal. round or two at or below the water line,or in the engine bay will disable or sink almost any fiberglass boat.Given enough rounds I’ll bet that I could sink one with my SKS.Bullet proof glass isn’t cheap,but when factored into the overall cost of a custom yacht,the cost would be insignificant.
For give me for asking but why and what against?
Not really possible to totally proof most military vehicles let alone a yacht!
Just proofing windows is a waste of time.
And it will take a lot more than coating walls!
Cost wise at a guess about three to four time the cost of the boat!
It would be very cost (and added weight) prohibitive to completely bullet proof an existing yacht from ‘small’ arms fire, and an impossible task to protect it from much anything bigger.
Having one built from scratch however, is possible, but still, it would only protect you from ‘small arms’ fire, and not much of anything else.
Bullet proof windows and a small ‘safe’ room would be do-able, but still very costly.
I mean, if you think about it, if Navy war ships are not completely bullet proof, and rather easy to blow up, ie: the USS Cole in 20 – then a personal private yacht would be equally as vulnerable.
But, you could have one built of double thickness steel, and bulllet proof windows – for sure, and the cost would be a bit more the double the cost – I’m sure.
I know of no yachts that are ‘bullet proof – but to give you an idea of ‘cost’ – President Obama’s current Cadillac Escalade and Cadillac STS sedan.were purchased and ‘bullet proof’ modified at a cost of $3,0 each. So, if you subtract the Mfg suggest retail for the basic car – that means the ‘bullet proofing costs’ were approx. $250,0 each – and has an added weight almost 2 tons. over it’s original weight.
Interesting link on Obama’s car:
http://articles.timesofindia.indiatimes.…
Last but certainly not least – I’ve been sailing for over 14 years now, and so has my oldest son in his own boat – and we’ve yet to even feel threated or in danger in anyway. We’ve never had anything stolen off our boats, never seen any pirates (other then on Halloween) and we’ve never heard of school shootings, mall shootings, or public shootings of any kind “out here” on the water. . . We both spoke of this not long ago, and agreed – no matter where we go these days – we have to be much safer then anyone living on land. We may be ‘nuts’ but the ‘crazies’ all live on land. lol
Source(s):
http://captainjohn.org/
The military gave up doing that years ago – it made ships expensive and slow and didn’t work so well against torpedoes and missiles. So they just have a point defense missile system and air cover. The Bismarck had a hull 13″ thick, the USS Cole around 1/2″, many others I think about 1/4″.