Driving technique for braking in the city

Tips, advice and tips to lower your consumption, processes or inventions as unconventional engines: the Stirling engine, for example. Patents improving combustion: water injection plasma treatment, ionization of the fuel or oxidizer.
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lau
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by lau » 04/05/06, 08:30

Nicolas Tesla in the 30s had designed an electric motor car where the current was self-produced by an on-board generator; it leaves you dreamy : Shock:
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Philippe Schutt
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by Philippe Schutt » 04/05/06, 14:09

zac wrote:Hello
if i kept my last shit cedes, it is that these a propultion and that i want to try to adapt an electric assistance to it.
I will try to put an alternator (whose excitation would command deceleration), and a large starter motor coupled to the shaft.
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to charge the battery?
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zac
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by zac » 04/05/06, 14:39

resalut
No to charge some additional batteries (around 400A).
the engine battery it will remain with its original circuit (even if I do not exclude a coupling in certain condition).
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by Philippe Schutt » 04/05/06, 15:15

I wonder if we could charge the battery only in decelerations. The engine would still have that less energy to supply. what would that represent in L / 100kms, would it be worth it?
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by Philippe Schutt » 06/06/06, 19:05

Today big heat! So obviously, I tried the air conditioning of the car. (this is my 1st car with air conditioning).

: Idea: So, in urban driving, which is the case for most people, I realize that the compressor could only work when decelerating. From then on it would not cause any overconsumption! So I tried playing with the button and I managed to get the air conditioning, with the compressor running only at deceleration. Obviously, it is not practical, even dangerous, to take care of the green button instead of the road. But it seems to me that a small electronic assembly, coupling the compressor with the cut of the injection during decelerations should be beneficial :D
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by nialabert » 06/06/06, 21:49

Not stupid at all are idea, but the air conditioning compressor likes it this kind of treatment ??

A priori, I do not see any inconvenience ..... someone has the electrical diagram of a civic ... : Cheesy:
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by Other » 06/06/06, 22:24

Hello
Relatively simple just cut the wire that goes on the (clutch)
clutch of the compressor pulley and pass it through a pressure switch and relay when the engine vacuum is high so engine brake for gasoline allows compressor coupling.
It makes sense if you go down a good rating, but in town the little deseccelaration not long enough to shoot anything!
normally in these systems it is necessary that the compressor runs one or two minutes sometimes more so that the effect of the freon is felt, on my air conditioning system in the house the first 5 minutes it is used only to warm the freon.
that gave me a problem when you install a unit too big for the necessary work, it leaves and stops too often. on 15 mintues of walking 5 minutes ago not profitable.
(Once you get used to air conditioning it's hard to do without it)

Andre
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by Philippe Schutt » 07/06/06, 20:56

yes, it was already cold and I only had to maintain the cold, and I don't fix it hard anyway. On the other hand, the diesels not having depression, I would rather take on the accelerator pedal.

here in town we just accelerate and brake. we can't keep a constant speed. so the decelerations are not long, but we have plenty!

I'm going to see what I find as a switch, I don't see how it would cause a problem for the compressor, it already switches all the time. And I will put a button to choose the road / city operating mode, because on the highway it would never work.

Thank you André! 8)
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denis
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Driving technique for braking in the city




by denis » 07/06/06, 21:39

I have the solution: you have to dismantle the compressor, the radiator, the pipes ... and put everything in a box, on a shelf : Cheesy: that's what i did on the bm, i gain in consumption and in weight :D
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by nialabert » 08/06/06, 20:24

I have a friend who had 2 clio. He said that his air conditioning was cut during acceleration. So it only worked when the car was traveling at constant speed.

I do not know if this exact, and I think that at the base it is especially not to feel the loss of power, but the idea is already there.
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