ChrisPy

I quite liked 'Batchelor', reminded me of canned peas and Horace of Keynsham

first class honours or just an ornery BSc ? damn ... beat me to it (or even Bachelor of Science)

yes ......... (no)

Kingspan is polystyrene, e.g. Kingspan Styrozone. 25mm of polystyrene provides adequate insulation. 2mm was used e.g for ceiling tiles - the only insulation it provides (maybe) is a reduction in condensation when it is fitted on the surface (e.g. on ceilings). Same would apply to any insulation material.

there have been several threads on this subject. The general conclusion has been that you should use imperial fittings and pipe purchased for the purpose (dare I say from a chandlers). Metric pipe generally available on the market does not comply with the wall thickness requirements of the applicable ISO/BS requirmentsm which is why it is much cheaper. It tends to buckle/kink during installation.

I assume you have the BSS Essential Guide (download from internet). Chapter 5 gives you the regulations and includes reference to another publication about the safe use of petrol.

crossing the road, having a baby, riding a bike ..... COULD all be very bad news. In fact it would be safer not to go boating ... or to leave the house every morning. Why pick on this when there are already adequate regulations to cover it? The OP has asked a reasonable question and deserves a reasoned answer, not hysteria about what MIGHT happen. Elfin safety is (or should be) about identifying the hazards, minimising the risks by proper management, and then getting on with it once the level of risk has been lowered to a level that is considered acceptable, not getting hysterical about perceived but unquantified risks.

I can't help feeling that the replies so far have been a little alarmist. There are rules (BSS) and good practice (ISOs and British Standards) which should be complied with. I am sure there are thousands of boats, both inland and salty, which have outboards with petrol tanks onboard, and also have gas appliances. I suggest you consult a competent boat safety inspector. Hopefully one of the forum members who is properly qualified (no disrespect intended to the first responders) will be along in a minute. Of course you can have a gas appliance in a cabin fitted with a multifuel stove, but don't run the stove on petrol!

I'm always surprised how many ebay sellers will sell you a small packet of nuts or washers for, say, 99p, and then deliver free! It is definitely not worth going to the shops to buy anything these days if you know exactly what you want, especially as you usually have to compromise on what is available in the shops. And it probly costs a quid just to start your car and drive it a mile there and back.

be careful when you clean the contacts. They are plated and abrasive will make them worse in a short time.

contactor (solenoid) parts and brushes can be purchased for a few pounds once you suss out their specifications and source them from the original suppliers. For example my failed contactor was fixed for a tenner after I spoke to a helpful lady at Allbright International. She refused to sell me the £110 replacement unit (as fitted by Vetus and sold by them for £275) and sold me the contact point strips only. Easy to fit. My contacts failed because of inadequate voltage under load, which caused the contacts to chatter. Maybe you need to look at your cables and battery arrangements.

INTOSOFA

that name is an affectation. it should be sparrow grass. I recall travelling with the Minister for Regional Development in an air force Skyvan in Oman. He needed to pee, so he went to the back of the plane where the loading ramp joined the floor, and emptied a bottle of water through the crack, then lifted his immaculate white robe and filled the bottle with 'Lucozade'. When we landed he refused any assistence and brazenly walked across the tarmac to the reception committee, still holding the bottle. We managed to 'relieve' him of the bottle before it became too embarassing.

ISO 10239: 6.5.2 LPG supply lines and components shall be routed at least 30 mm away from electrical conductors, unless the LPG supply line passes through a jointless conduit, or the conductors are sheathed or in conduit or trunking in accordance with ISO 10133 and ISO 13297.

I must admit that I have had some poor experiences when selling on ebay, mainly people who are unfamiliar with the process and who decide they don't want to buy after successfully bidding. I have come to the conclusion that it is not worth the hassle of sending goods overseas, either because the buyer does not understand the terms of sale, or demands unrealistically low courier costs based on their home country prices. On the other hand I have sold things at a reasonable price that I would never have found buyers for in any other way.

yes, ebay/paypal allows much better recourse than trying to deal with a recalcitrant on-line shop.

I despair of buying kit from on-line chandlers, having experienced several disappointments after placing an order for items listed in their catalogues, with explanations like : we're waiting for new stock, we've been on holiday, the post must have let us down. in each case it involves several phone calls and follow-up, wasting time and money. The worst experiences involve a company in the Midlands, and another in Cardiff. I now buy through ebay whenever I can. After buying hundreds of items, I have only had a delay or let down on one occasion.

I bought a Rapid clamp multimeter for about £60 which was supposed to have DC amps capability. Has never detected DC current.

why do all these wiring diagrams show the battery isolation on the negative side? That is very poor practice.

I think this entire thread is just a ploy to tempt Gibbo back.

if you fit an Alde bubble tester you may not need separate test points. BSS guide is very much in favour of bubble testers (fitted just after the regulator in the gas locker).

ISO 10239 contains the following design guidance for pressure drop: sorry the table format has been lost, but you should be able to make sense of it. I do not know what is the allowable pressure drop, no doubt someone will come along in a minute and clarify. Annex A Design guidelines for pressure drop due to pipe resistance Pressure Pipes/hoses, drop, in kPa/m of pipe length: inside diameter Connected appliance input mm 1 kW 2 kW 3 kW 4 kW 6 kW 8 kW 10 kW 12 kW 15 kW 4 0,004 0,015 0,03 0,05 0,15 0,23 — — — 6 0,001 0,004 0,007 0,012 0,03 0,04 0,07 0,1 0,14 8 < 0,001 0,001 0,002 0,003 0,01 0,015 0,02 0,025 0,04 10 — < 0,001 < 0,001 0,001 0,003 0,004 0,006 0,009 0,013 13 — — — < 0,001 0,001 0,001 0,002 0,002 0,004 NOTE 1 This table is for use with propane at 3 kPa, 3,7 kPa and 5 kPa and butane at 3 kPa and 5 kPa. NOTE 2 Equivalent lengths of pipe for fittings are: tee and elbow 0,6 m, straight connector 0,3 m, hose or pipe bend 0,3 m. NOTE 3 The volume of pipework should be minimized by using the smallest pipe sizes consistent with the pressure-drop requirement. EN ISO 10239:2000