In article , Onetap scribeth thus
Well over many years I've started a lot of differing makes of vehicles and have yet to have any alternator damage from a simple jump start.
I suspect the real plain old danger is getting the battery connected arse about face;!...
That sounds like a simple alternator failure they can and do fail like just any bit of equipment on a car....
In article , harry scribeth thus
Exactly!...
The signal then needs to be processed, that bit I can handle.
Record a sine wave from compuyer prog.. Burn to CD mp3 thingy or whatever. Use speaker output.
Is it french ?
In message , "Dave Plowman (News)" writes
Does the school not have a pet hamster?
I was SO tempted to say that
I must be getting soft
Especially if the whole experiment goes up in a cloud of smoke
In message , misterroy writes
I hope they also see your suitability to teach religious education
Needle on a cork former and crossed pin bearings?
Even if it does, trying to drive one with an electric drill sounds like a recipe for disaster.
Hence why they are wired like this in competition vehicles.
Just keep the duct tape handy.
Chris
FFS.
That's why they don't use conventional alternators and why there was a web page about amending a conventional alternator to make it suitable for aircraft, with external regulators and whatever else.
Tch Tch. You are an ignorant git. So-called DC motors are fitted with a mechanical inverter. Called a commutator and carbon brushes.
I should perhaps explain to a dunce like you that a n inverter changes DC into AC so the thing can function.
Light aircraft electrical systems differ very little from cars. The main difference is that they have twin ignition systems using magnetos.
b page about amending
nal regulators and whatever else.
Everything about light aircraft is low tech. Most of the engines are
1930's technology and a lot of the electrical systems. It stems from the costs of getting anything new approved. Not enough are sold to make it economic.
Quite. But then jump starting didn't cause the alternator to fail - it would also have failed if the engine was started by any other method with this faulty battery still in circuit.
Defective (or disconnected) battery + jump start = dead alternator. Which is what I have said repeatedly to a chorus of derision.
I didn't know that could happen and it cost me an alternator to learn.
You usually don't have a battery charger or a multi-meter to hand when you need to jump start a car.
It would probably be safest to run the engine until the flat (?) battery had enough charge, then turn both off and disconnect the jump leads.
A bump start wouldn't have worked. If you had tried to start the engine by mechanically spinning it somehow, that would also have wrecked the alternator. The regulator tries to maintain 14V or so and on seeing 0V sends the output sky-high.
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