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Forum: Marine Electronics 29-10-2016, 06:43
Replies: 28
Views: 11,016
Posted By nigelmercier
Re: Engine STOP button won't stop diesel engine

And on some engines (MD22) this is via a relay.
Forum: Electrical: Batteries, Generators & Solar 05-08-2016, 11:20
Replies: 50
Views: 7,006
Posted By nigelmercier
Re: safer to lift battery POS or NEG first?

As I said in Post #32 ...

You are just as likely to get a spark from either terminal, and an arc is unlikely unless the load is inductive.

There is a big difference between a spark and an arc,...
Forum: Plumbing Systems and Fixtures 02-08-2016, 00:54
Replies: 25
Views: 3,419
Posted By nigelmercier
Re: Shower Sump Issues

https://www.cruisersforum.com/forums/f115/substitute-for-raritans-cp-88654.html

Never seen Raritan in Europe, but never had a problem with smelly shower sump either. Best modification I did on my...
Forum: Electrical: Batteries, Generators & Solar 29-07-2016, 00:46
Replies: 36
Views: 6,720
Posted By nigelmercier
Re: Macerator pump - voltage drops from 12.9v to 6.5v

What is the rating of the breaker?
Forum: Electrical: Batteries, Generators & Solar 27-07-2016, 21:37
Replies: 50
Views: 7,006
Posted By nigelmercier
Re: safer to lift battery POS or NEG first?

Yes, if it were true. It isn't.

You are just as likely to get a spark from either terminal, and an arc is unlikely unless the load is inductive.
Forum: Electrical: Batteries, Generators & Solar 26-07-2016, 23:58
Replies: 6
Views: 1,303
Posted By nigelmercier
Forum: Electrical: Batteries, Generators & Solar 26-07-2016, 23:52
Replies: 50
Views: 7,006
Posted By nigelmercier
Re: safer to lift battery POS or NEG first?

Your point about a lot of metal surfaces is a valid one, but I'm afraid the reference to earth ground is totally irrelevant.
Forum: Marine Electronics 26-07-2016, 23:41
Replies: 15
Views: 3,015
Posted By nigelmercier
Re: Standard Horizon VHF Ripoff

I quite agree.

I've got a Standard Horizon CP180 chart plotter, a fixed DSC VHF with AIS receive, and a handheld DSC VHF. All fantastic, can't fault them. Not everyone will be aware that SH are...
Forum: Electrical: Batteries, Generators & Solar 24-07-2016, 01:20
Replies: 19
Views: 4,484
Posted By nigelmercier
Re: Replacement LED bulbs don't work

Yes, very far fetched. In fact the opposite is true.

OP is sorted now, sockets wired the wrong way.
Forum: Plumbing Systems and Fixtures 24-07-2016, 01:03
Replies: 70
Views: 9,828
Posted By nigelmercier
Re: Anyone used an under sink reverse osmosis unit to purify water FROM FRESHWATER ta

Not for me, haven't touched a drop of booze in 8 years :)

I accept your point about bottled water, in the Canary Islands it is the norm. I'm currently in recovery from pneumonia, possibly caused...
Forum: Plumbing Systems and Fixtures 23-07-2016, 00:21
Replies: 70
Views: 9,828
Posted By nigelmercier
Re: Anyone used an under sink reverse osmosis unit to purify water FROM FRESHWATER ta

Why not just buy bottled water? This has the advantage that you can keep it in the refrigerator.
Forum: Electrical: Batteries, Generators & Solar 22-07-2016, 15:02
Replies: 22
Views: 5,168
Posted By nigelmercier
Re: Any DIY portable anodes to prevent galvanic corrosion?

Is your power connected? If so, do you have a galvanic isolator?

To the OP. I have a hanging anode that I connect to my saildrive, it must connect directly to the bit of metal you are trying to...
Forum: Marine Electronics 22-07-2016, 00:38
Replies: 19
Views: 9,969
Posted By nigelmercier
Re: Inexpensive AIS transponder

I've got a Matsutec HP-33A (https://www.huayang-tech.com/en/ProductView.asp?id=183&sortid=76)

Lots of discussion on YBW forums.
Forum: Marine Electronics 21-07-2016, 15:15
Replies: 39
Views: 7,609
Posted By nigelmercier
Re: Crimping teeny tiny wires

There should be no need to crimp a ferrule onto a wire before crimping an almost identical terminal on top.

Ferrules are for screwed connectors.
Forum: Marine Electronics 20-07-2016, 00:48
Replies: 39
Views: 7,609
Posted By nigelmercier
Re: Crimping teeny tiny wires

The first sensible advice in this thread.

Get the smallest crimps you can, fold the wire over if necessary. Ideally use the non-insulated type that wrap the join.

No solder.
No insulation...
Forum: Marine Electronics 20-07-2016, 00:37
Replies: 6
Views: 1,462
Posted By nigelmercier
Re: ST60 Speedo

On the contrary, it most certainly is.
Forum: Plumbing Systems and Fixtures 16-07-2016, 20:06
Replies: 24
Views: 7,345
Posted By nigelmercier
Re: UV sterilizer before fresh water tank.

It isn't just drinking it that can cause problems, here is a recent post of mine on the PBO forum:

When did you last disinfect your shower head?

As some of you may know, I've been in hospital...
Forum: Marine Electronics 16-07-2016, 19:55
Replies: 3
Views: 1,084
Posted By nigelmercier
Re: Faulty raymarine depth sounder

Just in case ...

It has to be in the water!
Forum: Marine Electronics 16-07-2016, 19:53
Replies: 6
Views: 1,462
Posted By nigelmercier
Re: ST60 Speedo

Bad connection. Possibly even on the temperature sensor.
Forum: Electrical: Batteries, Generators & Solar 27-06-2016, 15:02
Replies: 18
Views: 2,754
Posted By nigelmercier
Re: Which Is The Most Power Savvy Relay?

You said it yourself: ELK912 : 0.030 amperes @ 12V

V=IR, so R=V/I = 12/0.030 = 400Ω
Forum: Electrical: Batteries, Generators & Solar 27-06-2016, 01:22
Replies: 18
Views: 2,754
Posted By nigelmercier
Re: Which Is The Most Power Savvy Relay?

So what you are saying is that you have found a standard 400Ω relay?

All these...
Forum: Electrical: Batteries, Generators & Solar 27-06-2016, 01:17
Replies: 19
Views: 2,278
Posted By nigelmercier
Re: New Multi-stage regulator

Seriously? That is crazy!
Forum: Electrical: Batteries, Generators & Solar 25-06-2016, 15:13
Replies: 19
Views: 2,278
Posted By nigelmercier
Re: New Multi-stage regulator

I'd make sure there are no naked flames near your batteries! BOOM!
Forum: Electrical: Batteries, Generators & Solar 23-06-2016, 01:20
Replies: 19
Views: 2,278
Posted By nigelmercier
Re: New Multi-stage regulator

So you buy an automatic regulator, then over-ride it?
Forum: Marine Electronics 22-06-2016, 00:20
Replies: 15
Views: 3,100
Posted By nigelmercier
Re: Fuel sender

Probably. It doesn't look like a Wema (https://www.wemausa.com/sensors/coverSensors.shtml) unit to me, but it is still most likely to be a compatible resistive type. However, note that there are two...
Showing results 1 to 25 of 171

 
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