Prius Power - 112 hours, 8 gallons

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Old 07 May 2011, 01:59 pm   #1 (permalink)
bwilson4web
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Default Prius Power - 112 hours, 8 gallons

One reason the Prius is superior to every other car is what happened
when tornadoes tore up the TVA transmission lines last week. My very
first Prius modification was to add a 1 kW inverter:
http://hiwaay.net/~bzwilson/prius/priups.html

When the storms took out power 5:20 PM Wednesday, I drove home and
backed the car into the carport. I ran a contractor power cord into
the kitchen and we were on Prius power, four days and six hours, 112
hours total.

We had lights, TV, and radio and I even ran an extension cord too the
neighbors so they had lights and TV. I only had less than three
gallons in the tank and after adding one gallon found at home and the
neighbor's gallon, I was able on Saturday to drive my wife's Prius to
Decatur and fill-up her car and a 5 gallon can. That kept our 03 Prius
running through Sunday 11:30 PM when we finally got power again. This
is something no stinking diesel or gasser could ever accomplish for 2
gallons/day.

The Prius provides continuous power to the inverter and only run the
gas engine as needed to recharge the traction battery. It has a
catalytic converter so there is no risk of carbon monoxide poisioning.
The muffler is so quiet it can no be heard outside of our property
line, unlike gas generators. Best of all, we can refuel it by just
waiting until the engine cycles off and never interrupt power. Once we
had power, I turned off the Prius and the next day, drove it to get a
full tank of gas and supplies, something a gas generator will never be
able to do. In fact, the Prius is regularly operated and maintained,
something not so common with gas generators.

No one thing makes a Prius superior but this one sure sets a high
mark that inferior gasser and diesels will never be able too
follow ... nor even EVs.

Bob Wilson
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Old 07 May 2011, 02:04 pm   #2 (permalink)
News
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Default Re: Prius Power - 112 hours, 8 gallons

On 5/7/2011 1:59 PM, bwilson4web wrote:
> One reason the Prius is superior to every other car is what happened
> when tornadoes tore up the TVA transmission lines last week. My very
> first Prius modification was to add a 1 kW inverter:
> http://hiwaay.net/~bzwilson/prius/priups.html
>
> When the storms took out power 5:20 PM Wednesday, I drove home and
> backed the car into the carport. I ran a contractor power cord into
> the kitchen and we were on Prius power, four days and six hours, 112
> hours total.
>
> We had lights, TV, and radio and I even ran an extension cord too the
> neighbors so they had lights and TV. I only had less than three
> gallons in the tank and after adding one gallon found at home and the
> neighbor's gallon, I was able on Saturday to drive my wife's Prius to
> Decatur and fill-up her car and a 5 gallon can. That kept our 03 Prius
> running through Sunday 11:30 PM when we finally got power again. This
> is something no stinking diesel or gasser could ever accomplish for 2
> gallons/day.
>
> The Prius provides continuous power to the inverter and only run the
> gas engine as needed to recharge the traction battery. It has a
> catalytic converter so there is no risk of carbon monoxide poisioning.
> The muffler is so quiet it can no be heard outside of our property
> line, unlike gas generators. Best of all, we can refuel it by just
> waiting until the engine cycles off and never interrupt power. Once we
> had power, I turned off the Prius and the next day, drove it to get a
> full tank of gas and supplies, something a gas generator will never be
> able to do. In fact, the Prius is regularly operated and maintained,
> something not so common with gas generators.
>
> No one thing makes a Prius superior but this one sure sets a high
> mark that inferior gasser and diesels will never be able too
> follow ... nor even EVs.
>
> Bob Wilson



Compelling case. What's involved with the inverter add-on?
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Old 07 May 2011, 03:59 pm   #3 (permalink)
bwilson4web
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Default Re: Prius Power - 112 hours, 8 gallons

On May 7, 1:04*pm, News <N...@Group.Post> wrote:
> On 5/7/2011 1:59 PM, bwilson4web wrote:
>
>
>
>
>
> > One reason the Prius is superior to every other car is what happened
> > when tornadoes tore up the TVA transmission lines last week. My very
> > first Prius modification was to add a 1 kW inverter:
> >http://hiwaay.net/~bzwilson/prius/priups.html

.. . .
>
> Compelling case. *What's involved with the inverter add-on?


First select the inverter. I went with a 1 kW/1.2 kW surge, inverter
bought in 2004 for $80. I see that Harbor Freight has a similar unit
for $79 rated at 1.0/2.0 kW. However, if I were doing it from scratch,
I would seriously consider two options:

A) ~900 W, sine-wave inverter - should handle extension cords with
less voltage loss and should keep motors a little cooler.
Unfortunately, they are less efficient, 88% versus 92% for modified
sine-wave.

B) consider 1.2/1.5 kW modified sine wave - the risk is the inverter
has a 100 A. fusible link and if the 12V battery doesn't pick up the
load, the fusible link could blow. However, there have been several
incidents suggesting the 12 DC-to-DC converter has protected the
fusible link by blowing first!

C) Use an 80A RV, circuit breaker on the inverter feed circuit. These
are available from RV electronic suppliers. It is better to shutoff
the inverter than risk blowing the fusible link. I have not had a
problem with the 1/1.2 kW inverter but why run the risk?

The only weakness is the 100A fusible link which already is known to
inadequately protect the DC-to-DC converter electronics. I might
consider replacing it with a fast-acting, solid-state, current limiter
that has very low conduction up to say 100 A and then absolutely
clamps it at 100 A. These are sophisticated devices and I would
probably design my own.

Next design the mounting as you want short leads to your 12V battery.
It does not require cooling air when not in use but when turned on, it
needs to be freely exposed. I prefer a permanent installation as in
low-load conditions, it can also power laptops on trips.

Bob Wilson
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Old 07 May 2011, 04:59 pm   #4 (permalink)
News
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Default Re: Prius Power - 112 hours, 8 gallons

On 5/7/2011 3:59 PM, bwilson4web wrote:
> On May 7, 1:04 pm, News<N...@Group.Post> wrote:
>> On 5/7/2011 1:59 PM, bwilson4web wrote:
>>
>>
>>
>>
>>
>>> One reason the Prius is superior to every other car is what happened
>>> when tornadoes tore up the TVA transmission lines last week. My very
>>> first Prius modification was to add a 1 kW inverter:
>>> http://hiwaay.net/~bzwilson/prius/priups.html

> . . .
>>
>> Compelling case. What's involved with the inverter add-on?

>
> First select the inverter. I went with a 1 kW/1.2 kW surge, inverter
> bought in 2004 for $80. I see that Harbor Freight has a similar unit
> for $79 rated at 1.0/2.0 kW. However, if I were doing it from scratch,
> I would seriously consider two options:
>
> A) ~900 W, sine-wave inverter - should handle extension cords with
> less voltage loss and should keep motors a little cooler.
> Unfortunately, they are less efficient, 88% versus 92% for modified
> sine-wave.
>
> B) consider 1.2/1.5 kW modified sine wave - the risk is the inverter
> has a 100 A. fusible link and if the 12V battery doesn't pick up the
> load, the fusible link could blow. However, there have been several
> incidents suggesting the 12 DC-to-DC converter has protected the
> fusible link by blowing first!
>
> C) Use an 80A RV, circuit breaker on the inverter feed circuit. These
> are available from RV electronic suppliers. It is better to shutoff
> the inverter than risk blowing the fusible link. I have not had a
> problem with the 1/1.2 kW inverter but why run the risk?
>
> The only weakness is the 100A fusible link which already is known to
> inadequately protect the DC-to-DC converter electronics. I might
> consider replacing it with a fast-acting, solid-state, current limiter
> that has very low conduction up to say 100 A and then absolutely
> clamps it at 100 A. These are sophisticated devices and I would
> probably design my own.
>
> Next design the mounting as you want short leads to your 12V battery.
> It does not require cooling air when not in use but when turned on, it
> needs to be freely exposed. I prefer a permanent installation as in
> low-load conditions, it can also power laptops on trips.
>
> Bob Wilson



Thanks for your insight. Has anyone commercialized an aftermarket option?
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Old 07 May 2011, 07:15 pm   #5 (permalink)
bwilson4web
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Default Re: Prius Power - 112 hours, 8 gallons

On May 7, 3:59*pm, News <N...@Group.Post> wrote:
> On 5/7/2011 3:59 PM, bwilson4web wrote:

.. . .
> Thanks for your insight. *Has anyone commercialized an aftermarket option?


Not that I've heard but my inspiration came from Toyota and Ford:

o Toyota Estima Hybrid Minivan - it was reported as having at least 1
kW, AC inverter
o Ford Escape - originally reported as having a 1.5 kW inverter
option. However, the early Ford sales literature did not list it as an
option.

Now GM once sold a Silverado pickup with a 3 kW power capability for
contractors. However, as a hybrid, it was another GM joke.

Now the plans for my next inverter modification kinda leaves the 12V
inverter solution in the dust ... but let me get some more work done
first. <grins>

Bob Wilson

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Old 08 May 2011, 12:40 am   #6 (permalink)
Davoud
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Default Re: Prius Power - 112 hours, 8 gallons

bwilson4web:

> One reason the Prius is superior to every other car....


Really? I have an '06 Prius and it's a good car. Superior to every
other car? I think not. Would that not depend on the purpose for which
the car was intended? Superior to a Miata for top-down cruising on a
warm summer evening? Not. Superior to a 72 Chevy for carrying six
people in quiet and comfort? Not.

Additionally, I have had more recalls in the <5 years I have owned my
Prius than I had in >20 years of Honda ownership.

Davoud

--
I agree with almost everything that you have said and almost everything that
you will say in your entire life.

usenet *at* davidillig dawt cawm
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Old 08 May 2011, 09:06 am   #7 (permalink)
greenpjs@neo.rr.com
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Default Re: Prius Power - 112 hours, 8 gallons

On Sat, 7 May 2011 10:59:01 -0700 (PDT), bwilson4web
<bwilson4web@gmail.com> wrote:

><snip>
> It has a catalytic converter so there is no risk of carbon monoxide poisioning.
><snip>


Great story except for the one sentence above. Is that really true?
Catalytic converters greatly reduce emmissions, but I had never heard
that they eliminate carbon monoxide. I would hate for someone to read
your post and then run their car (Prius or otherwise) in a closed
garage.
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Old 08 May 2011, 09:43 am   #8 (permalink)
bwilson4web
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Default Re: Prius Power - 112 hours, 8 gallons

On May 8, 8:06*am, green...@neo.rr.com wrote:
> On Sat, 7 May 2011 10:59:01 -0700 (PDT), bwilson4web
>
> <bwilson4...@gmail.com> wrote:
> ><snip>
> > It has a catalytic converter so there is no risk of carbon monoxide poisioning.
> ><snip>

>
> Great story except for the one sentence above. *Is that really true?
> Catalytic converters greatly reduce emmissions, but I had never heard
> that they eliminate carbon monoxide. *I would hate for someone to read
> your post and then run their car (Prius or otherwise) in a closed
> garage.


I would accept:

"It has a catalytic converter that reduces by 99% the amount of carbon
monoxide."
(See Wiki entry on carbon monoxide poisoning.)

Bob Wilson
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Old 08 May 2011, 09:53 am   #9 (permalink)
Elmo P. Shagnasty
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Default Re: Prius Power - 112 hours, 8 gallons

In article
<f07aaf56-f8a6-46c1-8e6a-a8f009318676@gv8g2000vbb.googlegroups.com>,
bwilson4web <bwilson4web@gmail.com> wrote:

> One reason the Prius is superior to every other car...
> It has a
> catalytic converter so there is no risk of carbon monoxide poisioning.


Ohmigod, did you really say that?

More proof that the fanboi Prius owners are total and complete idiots.

You go ahead and run that baby inside your closed attached garage, with
the back door open so you can run the power cord inside. Go right
ahead. The gene pool will thank you.
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Old 08 May 2011, 09:55 am   #10 (permalink)
Elmo P. Shagnasty
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Default Re: Prius Power - 112 hours, 8 gallons

In article
<79efcf46-96fc-43fe-82c7-afb4c63285c1@y31g2000vbp.googlegroups.com>,
bwilson4web <bwilson4web@gmail.com> wrote:

> "It has a catalytic converter that reduces by 99% the amount of carbon
> monoxide."
> (See Wiki entry on carbon monoxide poisoning.)


Every other car has a catalytic converter, too. And many cars are SULEV
anymore.

Are you truly and honestly saying that the Prius is a superior car
because it has a catalytic converter and therefore gives off no--or at
best meaningless amounts of--carbon monoxide, such that you can run the
car inside your house with no ill effects???

Go right ahead. Show us how that works.
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