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Old 14 March 2008, 06:53   #11
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So did anyone ever find out if the fibreglass tanks are ok or possible floating bombs
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Old 14 March 2008, 09:08   #12
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fibre glass fuel tanks have been used for years in ribs .but you must use the correct materials then petrol is no problem .best talk to a decent grp supplier for info on correct materials and then let us all know
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Old 14 March 2008, 15:52   #13
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Having had long long discussions with our GRP guy he has convinced me that there is no problem making a fuel tank from GRP if correctly manufactured from the correct materials, and having seen pictures of fuel tanks he has made for other applications he will be making the underdeck tank for the rib. He does have an incentive to get it right!! it would be a career inhibiting move to blow the bosses boat up and even more career inhibiting to blow the boss up with the boat
My main concern was the strength of the tank considering the pounding the boat is likely to get, but once again he has convinced me that with the right construction it will not be a problem.
Watch this space
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Old 14 March 2008, 17:18   #14
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GRP tanks have certain advantages - stainless and ali tanks can fracture quite easily with the constant pounding.
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Old 14 March 2008, 17:32   #15
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Quote:
Originally Posted by codprawn View Post
GRP tanks have certain advantages - stainless and ali tanks can fracture quite easily with the constant pounding.
Please enlighten us oh wise one. How did you figure that one out. Let's have some facts please.
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Old 14 March 2008, 17:45   #16
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I agree with codders, I can't speak for aluminium alloys but stainless can certainly be a problem. Given that many aluminium alloys age harden and work harden then.....
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Old 14 March 2008, 18:21   #17
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GRP tank

I don't know if you have to follow the CE rules for boat manufacturing or fitting !

But ...

Within CE there are regulations saying that a number of equipments, like tanks, MUST be approved by an certification center, like Veritas, ICNN, Rina, et ... and they must be individually labelled with the approval certification.
When one imports a boat from a non-CE country, the tank must be approved too, and the certificate should be given with the boat.

So, if one wants to build his own tank, stainless, alu, GRP, PE, it is illegal, and in case of fire, the 1st thing to be controlled is the tank plate ! Not approved = no insurance !

If the fire destroyed your own boat, you gained a boat - but if it destroyed several yachts too, are you able to pay ...?
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Old 14 March 2008, 18:44   #18
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GRP fuel tanks

To my knowledge Scorpion ribs have been building them in GRP for ages with few problems. Not sure what resin they use. Gavin
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Old 14 March 2008, 19:07   #19
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Within CE there are regulations saying that a number of equipments, like tanks, MUST be approved by an certification center, like Veritas, ICNN, Rina, et ... and they must be individually labelled with the approval certification.
are you sure? I am no expert but I thought that this is what is said:


5.2.2. Fuel tanks

Fuel tanks, lines and hoses shall be secured and separated or protected from any source of significant heat. The material the tanks are made of and their method of construction shall be according to their capacity and the type of fuel. All tank spaces shall be ventilated

Petrol fuel shall be kept in tanks which do not form part of the hull and are:
(a) insulated from the engine compartment and from all other source of ignition;
(b) separated from living quarters;

Diesel fuel may be kept in tanks that are integral with the hull.’;

see http://www.icomia.com/technical-info...2003-44-EC.pdf
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Old 14 March 2008, 19:12   #20
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Quote:
Originally Posted by yorfuoj View Post
I don't know if you have to follow the CE rules for boat manufacturing or fitting !

But ...

Within CE there are regulations saying that a number of equipments, like tanks, MUST be approved by an certification center, like Veritas, ICNN, Rina, et ... and they must be individually labelled with the approval certification.
When one imports a boat from a non-CE country, the tank must be approved too, and the certificate should be given with the boat.

So, if one wants to build his own tank, stainless, alu, GRP, PE, it is illegal, and in case of fire, the 1st thing to be controlled is the tank plate ! Not approved = no insurance !

If the fire destroyed your own boat, you gained a boat - but if it destroyed several yachts too, are you able to pay ...?
A boat does not need to comply with the RCD if:-
It is one of the craft listed in the exclusions list.
It was built in the EEA prior to 16 June 1998.
It was in use in the EEA prior to 16 June 1998.
It is a home built boat and not placed on the market within five years of completion.
Richard
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