6 volts DC for 2 inch TV

You might well. Which is nothing to do with load dump. You'd probably loose electrics in a fire too.

Strange it's never been a problem in practice in all the years I've been playing around with cars.

its precisely load dump. You've got an inductive alternator feeding a battery, the battery disconnects... the result is predictable enough.

electrocution has probably never been a problem for you either, but its real nonetheless.

NT

the

I've never had anything from Lucas but I've noticed in the motorcycle community whenever you see the word Lucas it's followed by the phrase "prince of darkness". :)

You ever measured the voltage available from an open circuit alternator?

Another red herring.

Not defending Lucas, but the very worst designed and constructed distributor I ever saw was a Delco on a Vauxhall. Don't have any love for Delco batteries, either.

Go ask sci.tron.des if you want to know

NT

I've had 2 Delco batteries last 8 years. Went out of my way and paid a little extra to replace the last one with another Delco. Probably should have made sure who's making them now and where but the battery was do-a-do so couldn't wait.

I've seen the "prince of darkness" quote a lot of times. No one ever disagreed. Probably referring to 20+ year old equipment though.

One point no-one has mentioned yet- cars fitted with germanium based radios would *generally* predate the widespread adoption of alternators and would have been fitted with generators/dynamos and voltage/current regulator boxes.

Morse

I may do this. It's the voltage regulator or this. I waited to reply thinking I'd have more followup to report, but I dont.

Thanks to all.

If you are inclined to email me for some reason, remove NOPSAM :-)

That would be darn easy to do. Even though I almost never use a cell phone, somehow I already have a bunch of car chargers.

I could have tested them all by now, but I got distracted. I did makr the voltage each puts out, so that will speed things up.

That I understand.

OK. Too low is bad?

Yes, you're right about that. I have tried to figure out why it is high sometimes and low other times, and never been able to correlate it with anything.

Thanks.

And thanks to all.

If you are inclined to email me for some reason, remove NOPSAM :-)

Wow. I"ll check on that too.

Thanks.

If you are inclined to email me for some reason, remove NOPSAM :-)

mm ha escrito:

I'd say DON'T- those things are usually crap chinese made unregulated supplies, the ones i have used have had a sloppy fit in the car jack too.

The one I had was regulated, it contained an LM317.

James Sweet wrote in news:EGdrh.14380$Ch1.11938 @trndny04:

longer

ditto.

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I'm not try to answer the question of whether RS sells 2 or 3 different models of this, one without and one or two with.

Over the past few days I put the jack on the tv, the Sony Watchman.

And I checked the voltage on all my cell phone car chargers. I have a few extra because I bought some at hamfests for a friend, and the first two didn't fit (a dollar apiece.) None have the voltage or current capability marked, but the voltages were:

**This one I keep in my car for my own cellphone (that I never use 8-) ).

I only tested the two with the lowest voltage:

Setting 1 Setting 2 No load Sound Only Sound and Picture

6.06 6.03 2.52 sound is fine no sound or picture

I'm afraid to try any of the chargers with higher voltage, especially since the voltage barely drops when used for sound only, and since I don't think the current capacity will be any higher, so it won't be enough for picture anyhow.

If you are inclined to email me for some reason, remove NOPSAM :-)