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Thread: 2008 Impala SS - The Connected Car

  1. #101
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    Quote Originally Posted by justchat_1 View Post
    Throw some numbers out...what kind of economy do you actually get?

    Hemi only adds about 3-5hp on a big block....so most of it is just marketing hype. The big problem with the 4/8 is the uneven wear it puts on the engine. A lot of the earlier systems are dying far earlier then they should.
    City I get about 17mpg. But the AFM doesn't help much in those conditions where I'm sitting idle and or accelerating to the speed limit. On longer commutes I get 28mpg or better. My last trip from portland to SLC was 29mpg average. EPA is rated at something like 24 highway... which I'm actually surprised is that low. If I actually went the speed limit, I should be a lot higher. Part of the problem is that it's a V8, and so it's really tempting to drive it like one.

    In other words, overall I probably get 5-7% more efficiency.

    By comparison an 09 Mustang 4.6 V8 gets 22 mpg highway EPA.
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  2. #102
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    Quote Originally Posted by ZX1Cruizer View Post
    I cant wait to see what TripZero does with this thing.
    The sheeva plug is the awesome. Luckily, chunky_ks is helping me with the DCDC-USB power supply code so I'll be able to get it in the car and start having fun with it.
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  3. #103
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    Quote Originally Posted by tripzero View Post
    City I get about 17mpg. But the AFM doesn't help much in those conditions where I'm sitting idle and or accelerating to the speed limit. On longer commutes I get 28mpg or better. My last trip from portland to SLC was 29mpg average. EPA is rated at something like 24 highway... which I'm actually surprised is that low. If I actually went the speed limit, I should be a lot higher. Part of the problem is that it's a V8, and so it's really tempting to drive it like one.

    In other words, overall I probably get 5-7% more efficiency.

    By comparison an 09 Mustang 4.6 V8 gets 22 mpg highway EPA.
    Mine is a 4.7L Magnum V8 and it gets 13 MPG in the city. I am trying to buy the reprogrammer though for my truck so that I can change the ECU, which will give me 18 MPG city, but more added HP and torque. I know V8s are bad to some people, but I could never buy anything lower then that. The only other engine is a V10, which comes in my second favorite car, the Viper.

    Quote Originally Posted by tripzero View Post
    The sheeva plug is the awesome. Luckily, chunky_ks is helping me with the DCDC-USB power supply code so I'll be able to get it in the car and start having fun with it.
    Well I hope it all works out well, for a non programmer like me, its easier to just buy a MPH overlay system, and a small DVR and call it a day.
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  4. #104
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    Quote Originally Posted by ZX1Cruizer View Post
    Well I hope it all works out well, for a non programmer like me, its easier to just buy a MPH overlay system, and a small DVR and call it a day.
    Yes, I'm sure it's much easier to just buy a device. Being a developer allows me to "write my own destiny" in a sense. My sheeva will do security, smart power management and logging. It'll be my interface to the car from the internets. And it will also be an information provider for my real carpc. No after market product I know of can do all this and do this specifically for my car. Which means that I have to write some custom software: bluemonkey and nobdy to fill in the current gaps.
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  5. #105
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    The power of the sun

    My solar panel arrived that I picked up from sunflexsolar.com. The purpose of the solar panel is to keep a flow of energy to the second battery during the day. It'll hopefully take a little load off my alternator as it won't have to recharge the second battery as much when I run it. All this is theory of course.

    So for $80 you get a 10W solar panel thats about 30% longer than a standard sheet of paper. Looking it over after I opened it makes me nervous about the quality. I don't know how solar panels are supposed to be constructed, but... one side seems to have a piece of metal on both sides of the "cells" connecting all of the cells on a single side. The other side has similar design, but the metal pieces aren't touching each other. Anyone think I should have cause to alarm by this? Here's some pics:

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    I'll hook these up to a multimeter and see what kind of current they produce.
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  6. #106
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    Hooking up a muti-meter to it, i see it producing about 6.4V @ 0.697mA. So that's 4.4W?

    This is inside my house near the window and a pretty cloudy day. Hopefully it'll improve when it's outside and it's actually sunny. I'll do some more readings then.
    Former author of LinuxICE, nghost, nobdy.
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  7. #107
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    OH that is cool. I was thinking of someday doing something like this for my blower, kinda like the Toyota Prius does. Only difference is my car wont go out of control and kill me, lol.
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  8. #108
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    Update: I changed the first page to reflect the changes in software to move from obdgpslogger to nobdy and i now have bluemonkey listed on the front page.
    Former author of LinuxICE, nghost, nobdy.
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  9. #109
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    It's been a while, but progress is going well due to in large part by the preparation for the "connected car demo" for the AFKFest 2010 in August.

    I ripped everything out of the old amp and put it in a bigger amp. This amp will have the room i need for the hub, relays, etc. The following pic show the "plate" (bottom panel of the amp) which it's all mounted to. For now, I've only got the psu, sheeva, and powered hub in there. Now that I know I can do everything I want over GMLAN through the scantool, I don't have current need for the fusion brain. I may hook it up later to be able to power on other things like the solar panel or the carpc via relay.

    I want to get this up and in the car as-is for now and start testing nobdy, proximity, and bluemonkey all together.

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    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
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  10. #110
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    Quote Originally Posted by tripzero View Post
    It's been a while, but progress is going well due to in large part by the preparation for the "connected car demo" for the AFKFest 2010 in August.
    Looking forward to seeing this in August.

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