[EVDL List]

Hi,



Yesterday there was a NiMh battery Insight email but can't remember who but a guy at the EV show here asked me what the MPG would be on my 70 mpg Insight if I removed all the hybrid stuff & dropped a couple hundred pounds what would the MPG be?. Does enyone know, has it been done? (Probably whimpy acceleration though.)



(But the DC converter that supplies the access 14V wouldn't work I don't think.)



I'm thinking about going plug-in LiFePO4 though.



have a renewable energy day,

Mark

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[quote]On 19 Nov 2009 at 13:22, Mark Hanson wrote:

> a guy at the EV show here asked me what the MPG would be on my 70 mpg
> Insight if I removed all the hybrid stuff & dropped a couple hundred
> pounds what would the MPG be?. Does enyone know, has it been done?
> (Probably whimpy acceleration though.)

Just ask anyone whose IMA battery has failed. Apparently there are quite a
few. ;-)

The IMA on a Honda "hybrid" is an electric supercharger. Without it (if the
computer even lets the car run) acceleration will be poor. There will also
be more vibration,.as the IMA was used to level out the lumpiness of the 3-
cylinder engine. (Clever.)

MPG discussions are off topic on the EVDL, but converting a production
"hybrid" to plug in or pure battery is not. I think an Insight should make
a fine BEV, but I suspect that space and weight capacity will pretty much
mandate lithium batteries.

David Roden - Akron, Ohio, USA
EVDL Administrator

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[EVDL List]

> Yesterday there was a NiMh battery Insight email but can't remember who
> but a guy at the EV show here asked me what the MPG would be on my 70 mpg
> Insight if I removed all the hybrid stuff & dropped a couple hundred
> pounds what would the MPG be?. Does enyone know, has it been done?
> (Probably whimpy acceleration though.)

That was probably me...

The Insight cannot run without the battery pack. Instead of an alternator,
the battery pack powers a DC/DC converter that charges the 12 car system
battery (that runs the horn, the lights, the sparkplugs etc). But there is a
way to run the car and not use the IMA motor assist, you can unplug one of
the wiring harness connectors to the BCM so that the motor assist does not
work. It will regen to charge the pack to charge the 12 v battery when
needed. Although I would not do this for any long period of time. I did it
for a couple days since I was waiting for a battery pack fan replacement. My
mileage went up from 60 mpg to about 68 mpg, since the IMA was not working
so often to charge the battery pack. Acceleration was terrible.

Let me add that I am talking about the 1st gen Insight, I'm not sure about
the 2nd gen.

But there are a couple who have taken the hybrid system out and installed an
all EV system. Otmar is one of them
http://www.cafeelectric.com/Insight/Conversion/InsightTemp.html,
and Gary is another http://ev.whitecape.org/

Rush
Tucson AZ
www.TEVA2.com


>


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I kinda tested this. And I think there is a breaker you can flip to
simulate this.

I went to test drive one when they first came out. (I didn't buy for 2
reasons. Silver and black and *cough* automatic)

The dealer had let it sit and the pack was dead, even the backup starter
battery was to dead to start the ICE.
They wheeled over their jump starter box and jumped it and we went for a
drive.
In the first mile or so I felt the roughness but it went away as soon as
the IMA light went off and the first bar on the charge meter came on
The acceleration was so disappointing that I almost stopped the test
drive at that point, it felt unsafely slow. but I had to go around the
big city block anyway to get back.
When I got to the 2nd mile and had 2 bars on the pack I had come to my
second stop. It charged as I drove. Still don't know if that is purly
from the vibration dampening or if they have some charging programmed
in. I pulled away from that second stop sign with half the peddle as the
first and was satisfied. Got to the third stop sign and I had full pack
voltage and the motor shut off. I was informed that It was fully charged
I should "floor it". Tires chirped and I was impressed with the
acceleration. THe little car was quick!

[quote]> On 19 Nov 2009 at 13:22, Mark Hanson wrote:
>
>
>> > a guy at the EV show here asked me what the MPG would be on my 70 mpg
>> > Insight if I removed all the hybrid stuff & dropped a couple hundred
>> > pounds what would the MPG be?. Does enyone know, has it been done?
>> > (Probably whimpy acceleration though.)
>>
>
> Just ask anyone whose IMA battery has failed. Apparently there are quite a
> few. ;-)
>
> The IMA on a Honda "hybrid" is an electric supercharger. Without it (if the
> computer even lets the car run) acceleration will be poor. There will also
> be more vibration,.as the IMA was used to level out the lumpiness of the 3-
> cylinder engine. (Clever.)
>
> MPG discussions are off topic on the EVDL, but converting a production
> "hybrid" to plug in or pure battery is not. I think an Insight should make
> a fine BEV, but I suspect that space and weight capacity will pretty much
> mandate lithium batteries.
>
> David Roden - Akron, Ohio, USA
> EVDL Administrator
>
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> EVDL Information: http://www.evdl.org/help/
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> Note: mail sent to "evpost" an "etpost" addresses will not
> reach me. To send a private message, please obtain my
> email address from the webpage http://www.evdl.org/help/ .
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>
>
>
>

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