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Old 06-07-2022, 06:38 PM   #11 (permalink)
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Champrius v3.2 - '09 Toyota Prius
90 day: 58.73 mpg (US)
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Quote:
Originally Posted by freebeard View Post
How many campers does it accomodate?
It's a twin long mattress, and normally just sleeps me. I can confirm that it can sleep two reasonably if they are (ahem) cozy.

Also, the fridge is only 30L, the size of a big cooler. The longest I can boondock is 2 weeks, before I start running out of things like food, water, or sanity.

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Old 06-07-2022, 06:52 PM   #12 (permalink)
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Acura TSX - '06 Acura TSX
90 day: 24.19 mpg (US)

Lafawnda - CBR600 - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)

Model Y - '24 Tesla Y LR AWD

Pacifica Hybrid - '21 Chrysler Pacifica Hybrid
90 day: 43.3 mpg (US)
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Since aerohead apparently isn't around to defend his thread today...

I spent 2 years living in the back of my Subaru Legacy. The difference is I only slept in it during my work week, which was only 3-4 (2 or 3 nights) days out of the week. My long hours meant most of the day was spent at work, with only food and workouts/showers occupying my 3 hours of non-work waking hours.

Lived with my folks the rest of the week, doing laundry and going on outdoor adventures. I was banking something like 90% of my net paycheck in those days, which allowed me to make a 20% downpayment on my first house.
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Old 06-07-2022, 07:17 PM   #13 (permalink)
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Champrius v3.2 - '09 Toyota Prius
90 day: 58.73 mpg (US)
Thanks: 7
Thanked 105 Times in 53 Posts
Great minds think alike redpoint5!

I spent 20+ years primarily living out of vehicles, ranging from RV, vans, to cars. Instead of owning a home I travelled the world and retired early. I'm now designing the Aerosol, the world's most advance solar electric RV, and will probably end up using it as my retirement home. I might also *actually* build a house; I've become interested in ICF and Passive House in recent years. But I don't want to do anything hasty like live in a stationary box unless I have to.

On a totally different topic, I've seen signatures with those round ecomodder badges in them. You have three in yours. How does one do that?
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Currently building Champrius 4.0! Follow starting here:
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and ask in depth questions here:
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The goal is 70 mpg this time around.

Stats from Champrius v3.2:
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Old 06-07-2022, 07:38 PM   #14 (permalink)
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Join Date: Aug 2010
Location: Oregon
Posts: 12,817

Acura TSX - '06 Acura TSX
90 day: 24.19 mpg (US)

Lafawnda - CBR600 - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)

Model Y - '24 Tesla Y LR AWD

Pacifica Hybrid - '21 Chrysler Pacifica Hybrid
90 day: 43.3 mpg (US)
Thanks: 4,327
Thanked 4,480 Times in 3,445 Posts
Quote:
Originally Posted by Talos Woten View Post
On a totally different topic, I've seen signatures with those round ecomodder badges in them. You have three in yours. How does one do that?
First, one must create a vehicle in their "garage" and add fuel entries. I see you've done this.

On the "view fuel log" page, at the bottom, this graphic is generated automatically. You can right click and "copy image URL" and then paste it into the signature line.

Here's yours,



You would paste this in your signature without the asterisk [*IMG]https://ecomodder.com/forum/fe-graphs/sig11014a.png[/IMG]

As an aside, this image can be embedded in most other forums. I often find myself embedding images which are hosted here on other forums.
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Old 06-09-2022, 12:29 PM   #15 (permalink)
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Cd 0.116

I'm the nut-case who guestimated the Cd 0.116 requirement.
I'd be happy to revisit the calculations.
I do not have an accurate:
1) frontal area
2) all-up average travel weight
3) tire manufacturer
4) tire model
5) inflation pressure
--------------------------------------------------------------------------------------
6) I was presuming zero hybrid function, just constant speed driving, only on the engine ( according to Emission Analytics, your hybrid system increases composite mpg by 48% because of regen ). It's impossible to calculate anything if the hybrid assist is affecting performance.
7) I'm driving a 2009 Prius right now. It's never indicated above 43.3-mpg on long highway travel, gentle rolling hills, @ 65-70, with AC 'ON.'
Thanks in advance for any additional data.
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Old 06-09-2022, 05:50 PM   #16 (permalink)
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Champrius v3.2 - '09 Toyota Prius
90 day: 58.73 mpg (US)
Thanks: 7
Thanked 105 Times in 53 Posts
Thumbs up More... data!

Quote:
Originally Posted by aerohead View Post
I'm the nut-case who guestimated the Cd 0.116 requirement.
I'd be happy to revisit the calculations.
I do not have an accurate:
1) frontal area
2) all-up average travel weight
3) tire manufacturer
4) tire model
5) inflation pressure
--------------------------------------------------------------------------------------
6) I was presuming zero hybrid function, just constant speed driving, only on the engine ( according to Emission Analytics, your hybrid system increases composite mpg by 48% because of regen ). It's impossible to calculate anything if the hybrid assist is affecting performance.
7) I'm driving a 2009 Prius right now. It's never indicated above 43.3-mpg on long highway travel, gentle rolling hills, @ 65-70, with AC 'ON.'
Thanks in advance for any additional data.
Hey aerohead! Nice to meet you.

Let's see.

1) Whatever the frontal area is stock, my area is now -43 sq in that. -20 sq in per mirror, and -3 sq in from the antenna delete. (I heard a great quote from the lead developer on the Aptera. "We produce as much drag with the whole Aptera as the Ford F-150 does with both mirrors."

2) Empty, the weight is = stock-420 lbs. (That's the 66 mpg figure.) Laden it's stock+520 lbs (That's the 61 mpg figure.) I'm including myself in those figures already. That actually has a significant impact on rolling resistance.

3) Pirelli 4) P4 FOUR SEASONS PLUS - P185/65R15 88T

5) 44 psi, the max on the sidewall

6) Hmm... this alone may gank this particular approach. The self-coasting and engine idling the Toyota does accounts for a great deal of its fuel economy. To give some perspective, on my test route I go generally uphill first and then downhill on the way back. When I was testing v3.0, that barely moved between 40-45. But on the return trip how well and long it coasted made up the lion's share of the mpg, pushing it past 60 mpg. That's a +40% variance, which is primarily on "electric" and not the engine power.

In fact, there's a long, increasing slope on the way back and I get very fine data from precisely *where* along the slope the engine turns off, and then secondly when it starts the reverse blue arrow (i.e. regenerative power).

By the way, just FYI, my "testing methodology" is real world. I have the AC set to 72 F, the radio on (because I love music), lights on (if needed), wipers on (if needed), etc. So I get variance because of weather, et al. During testing I'm not too worries about it. I only consider real mpg to be a full tank of gas, i.e. driving in the real world for 500+ miles. That averages out conditions enough to make meaningful statements. But even then, there are confounds (like relative elevation of origination and destination points, etc.)

Hope this helps!

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Currently building Champrius 4.0! Follow starting here:
https://www.instagram.com/p/CeeL6xyFp-k/

and ask in depth questions here:
https://ecomodder.com/forum/showthre...tml#post669277

The goal is 70 mpg this time around.

Stats from Champrius v3.2:
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