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Wish-list for 2012-13 Prius

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Posted by bwilson4web on September 25, 2011, 8:24 am
The NHW20 received some mid-life improvements in 2006. Notable was
fixing the MFD soldering problem. So to, the NHW11 only had three
years before it was replaced with the NHW20 but notable changes
included making cruise control standard. It is reasonable to expect a
mid-life improvements in the ZVW30.

We know backup cameras will become standard by 2013. This means the
graphical display is coming back but whether or not Toyota returns to
the integrated display of the earlier models remains unlikely.

I would like to see "fuel exhaustion you are now on battery" provided
as another safety feature. Unlike the 1.5L models, Toyota hid this
safety notice so only by monitoring the energy flow can a clueful
driver know when the last of the fuel is burned.

Now the Prius V addresses the 'station wagon' version to directly
complete with the Jetta SportsWagen. The mini-Prius, the commuter
version, will be out next year. Also, the plug-in Prius. But there are
a few holes in the line-up:

o hybrid panel van - take a Highlander and fix the body so there is a
utility van version and possibly an after-market, mini-RV.

o hybrid pickup - take a Highlander (or Prius V) and chop the body so
it is a two-seater or put in a front bench and then a flat-bed, pickup
bucket behind it. Give it some towing capability.

Bring back the bladder, only if the variable fill problem is solved.
But the goal should an improved fuel monitoring system that is
accurate and keeps the driver informed about the exact fuel state.
Include a software hook so the indicated MPG can be calibrated for the
car including dealing with different tire sizes.

Provide the same instrumentation as the default displays of the
ScanGauge: (1) coolant temperature, (2) engine rpm, and (3) fuel
consumption per unit of time. This would provide exactly the data
needed to efficient driving.

Put cooling air inlet vanes that minimize air drag. When the car is
cold, close the vanes, even in the summer, until the engine and
inverter coolant reach operational temperature. Then open only as much
as needed to provide adequate cooling flow.

Inside, it would be nice to see the center bridge go away. I know it
insulates the driver but we don't need 'walls' and it isn't clear that
it contributes to safety or structure.

Make sure the non-USA Prius still have the option of turning off the
pedestrian noise maker. There are ways to making a Prius noisy that
can never be defeated but they are not needed. Let the USA foolishness
show up on the roads until a future Congress 'gets a clue.'

Midlife Prius, a low profile, sports car with the largest electric
capability; a turbo-charged light-weight ICE; tuned steering, and;
independent rear wheel suspension (or rear-wheel motor.) Tune the car
for 0-60 in under 6 seconds and high-G turns with steering that
actually tracks yet responds with precision.

Bob Wilson

Posted by Elmo P. Shagnasty on September 25, 2011, 12:54 pm
In article

It doesn't mean that at ALL.

Many mfrs are simply using the rear view mirror to solve that problem.

Posted by News on September 25, 2011, 2:30 pm
 On 9/25/2011 8:54 AM, Elmo P. Shagnasty wrote:

Assuming sight lines out the rear and sides of the vehicle.

Posted by Elmo P. Shagnasty on September 25, 2011, 5:06 pm

no no, I meant by putting a small display in the rear view mirror itself.

No need to bother with the expense of "the graphical display".

Posted by bwilson4web on September 25, 2011, 6:59 pm
The NHTSA issued a rule, NHTSA-2010-0162, in December 2010 for
rearview specifications of the area that must be covered behind the
car. You can download this from www.regulations.gov and mirrors won't

Sad to say, the installer of my 2003 backup camera didn't understand
the goal so the camera is pointed at the horizon, not down at 15-30
degree angle needed to cover the area behind the car.

When I do my next 'car day,' I'll remove the trunk liner and remount
the camera properly and possibly add a shield so it won't see the
bright sky. The gain-control works great but a bright sky can drive
near objects into darkness. When the camera is aimed correctly I will
see the rear curb as it begins to be obscured by the bumper.

My 2003 Prius also has a backup LED light with beeper. Now I know
pedestrians don't pay attention to the beep but that isn't the point.
The idea is to give them the option, a audio as well as visual
indication of my vehicle's intention.

One other thought is to put small, piezoelectric disks co-located with
the front right and left turn signal lights. With the right voltage
matching resistor, they'll make a click each time the light comes on
and off.

But the ultimate safety system will be binocular, cameras that measure
distance and speeds of objects to the front and a wide range left and
right. The idea is to work on my own driver assistant. But I have
another project that is taking my time.

Bob Wilson

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