Wrapper

"Mike Hunter" <mikehunt2@mailcity.com> wrote in message
news:HmCdnUVXDMorJm7eUSdV9g@ptd.net...[color=blue]
> Why, so you can get run over in you little 120 MPG cars buy one of those
> trucks, that buyers prefer today, that can get 60 MPG ? Besides once[/color]
all[color=blue]
> vehicles can get really high fuel economy the price of gas will double or
> triple to maintain the profit margins for the oil speculators. ;)
>
> mike hunt[/color]

I prefer not to fund terrorists or tyrannical regimes, enlarge our trade
deficit or contribute to global warming. That's where your money is going.
Enjoy that GT, your grandchildren will enjoy the consequences.
[color=blue]
> "DH" <dh@stargate.com> wrote in message
> news:43f3940d$0$11369$6d36acad@titian.nntpserver.com...[color=green]
> > "badgolferman" <REMOVETHISbadgolferman@gmail.com> wrote in message
> > news:xn0eiie0h1ah8m1004@news.readfreenews.net...[color=darkred]
> >> [url]http://www.newtechspy.com/articles06/hydraulichybrid.html[/url]
> >>
> >> ---Ford is developing a new form of automotive propulsion, and the
> >> implications for the American Auto Industry are huge. The Hydraulic
> >> Hybrid could be the greatest innovation since the internal combustion
> >> engine itself, and Ford is on the inside track with its F-150 Hybrid.
> >> New Tech Spy Has learned details about the system that are simply
> >> amazing and could put Ford in a commanding position in the fiercely
> >> competitive full size pickup market.
> >> ---The Idea behind the current crop of Hybrid cars is well known; the
> >> cars main energy comes from gasoline which recharges batteries that
> >> move the car at low speeds. Hydraulic Hybrids work in the same manner,
> >> only instead of batteries, excess energy is stored in hydraulic
> >> cylinders.That in itself is not revolutionary, except for the fact that
> >> Nickel Metal Hydride batteries used today are not an efficient way to
> >> store energy, and hydraulic storage blows them away with 3X the
> >> efficiency. Even next generation Lithium Ion batteries do not come
> >> close to Hydraulic Energy Storage.
> >> ---The standard F-150 has a curb weight of about 4800 lbs., which is
> >> 65% greater than theToyota Prius, yet incredibly the Hydraulic F-150
> >> with a continuously variable transmission matches the Prius with 60mpg
> >> city rating, that's an amazing 400% increase over its gasoline version.
> >> ---The F-150 makes for a perfect host for Hydraulic Hybrid technology
> >> because of its height and body on frame construction, adding this
> >> system to smaller vehicles will be challenging, but with those kind of
> >> numbers small vehicles as we know them may become obsolete...The
> >> Hydraulic F-150 is currently scheduled for launch in August of 2008,
> >> can Ford work out all the bugs by then? The people are waiting for Ford
> >> to come through in the clutch.[/color]
> >
> > It's an interesting article and thank you for calling it to our[/color][/color]
attention[color=blue][color=green]
> > but I have some trouble believing the claims.
> >
> > Batteries are already in the neighborhood of 80% efficient. If the
> > hydraulic storage mechanism was somehow 100% efficient (and that's not
> > possible), that would make the hydraulic hybrid just 25% more efficient
> > than
> > an electric hybrid, all other things being equal.
> >
> > It should also be a simple thing to add an external AC charger to a
> > contemporary electric hybrid, making it possible for short trips to be
> > entirely "alternative fuel" trips (e.g., the electricity that fills the
> > batteries could come from coal - boo!, nuclear, solar, wind or[/color][/color]
whatever).[color=blue][color=green]
> > Increases in battery performance or capacity would be easily integrated
> > into
> > an electric hybrid system. It would probably be somewhat more[/color][/color]
complicated[color=blue][color=green]
> > to "charge" the hydraulic hybrid off household AC. With an[/color][/color]
AC-chargeable[color=blue][color=green]
> > electric hybrid, some users would only very rarely need to visit a gas
> > station. You could even use a timer to get off-peak rates for your[/color][/color]
power.[color=blue][color=green]
> >
> > Electric motors and generators are also, as far as I know, fairly
> > efficient.
> > I once worked at a power company and one of the high-voltage AC[/color][/color]
engineers[color=blue][color=green]
> > told me that their generators were about 97% efficient, based on shaft
> > input. Again, a 100% efficient hydraulic system would be only very
> > marginally better than current hybrid technology.
> >
> > As it is, hybrids on the highway have to build their electric energy as
> > they
> > go along and they do this by using the gas engine in the most efficient
> > way
> > possible. As it is, electric hybrids can only marginally outperform
> > normal
> > cars on extended highway runs (which now have 5- or 6-speed[/color][/color]
transmissions[color=blue][color=green]
> > to
> > help optimize highway travel). I don't see the hydraulic hybrid doing
> > much
> > better than electric hybrids on the highway. Gas engine efficiency will
> > be
> > the limiting factor. With its high profile, large weight and fat tires,
> > it's very hard to believe a pickup with a gas engine running at its
> > optimum
> > efficiency is going to get anywhere near 60mpg.
> >
> > If there was a way for the hydraulic hybrid to outperform the electric
> > hybrid, it would be in terms of speed of "charge/discharge" of the[/color][/color]
energy[color=blue][color=green]
> > storage mechanism. I believe that regenerative braking is limited by[/color][/color]
how[color=blue][color=green]
> > much current can be generated and handled by the electrical system.[/color][/color]
Hard[color=blue][color=green]
> > braking might probably overload the regenerative charging system (and[/color][/color]
the[color=blue][color=green]
> > mechanical brakes then come into play - kinetic energy is lost as waste
> > heat). Could be that the hydraulic system can absorb braking energy[/color][/color]
more[color=blue][color=green]
> > rapidly and wouldn't have this drawback. Then whether or not the
> > hydraulic
> > hybrid gave you 300% better performance would depend on your exact duty
> > cycle. Your mileage may vary. ;-) This is not going to be the[/color][/color]
situation[color=blue][color=green]
> > on highway cruising so, again, 60mpg seems very far-fetched.
> >
> >
> > I got a kick out of "with those kinds of numbers, small vehicles as we
> > know
> > them may become obsolete." If a 60mpg truck is possible, I want a[/color][/color]
120mpg[color=blue][color=green]
> > car!
> >
> >
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>
>[/color]


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