asteele2 Wrote:Kaan Wrote:the old tail my grandfather told me... was that if you are sitting for more than a minute... you should have shut the car off. bascially the fuel it takes to start up = 60 seconds at idle.
Every time I do that on a bike (since I'm hyper paranoid about my bikes overheating) it's time to go within 10 seconds - without fail.
i only do it at lights i know. i do it waiting to cross 29 on glebe and also where williamsburg meets glebe. if you miss that light, you have a clear display of the walk signs. if they're telling the people to cross, you have at least 25 seconds of sitting to do (20s countdown, 5s delay).
I Am Mike
4 wheels: '01 RAV4 (Formerly '93 Civic CX, '01 S2000, '10 GTI, '09 A4 Avant)
2 wheels: '12 Surly Cross-Check Custom | '14 Trek Madone 2.1 105 | '17 Norco Threshold SL Force 1 | '17 Norco Revolver 9.2 FS | '18 BMC Roadmachine 02 Two | '19 Norco Search XR Steel (Formerly '97 Honda VFR750F, '05 Giant TCR 2, '15 WeThePeople Atlas 24, '10 Scott Scale 29er XT, '11 Cervelo R3 Rival, '12 Ridley X-Fire Red)
No longer onyachin.
.RJ Wrote:asteele2 Wrote:That's not a relational draw, though. The motor will spin the alternator at the same resistance whether the battery recently had a heavy draw or is fully charged.
For a generator (most motorcycles) - yes. It takes more 'work' to spin an alternator if its charging the battery though - the voltage regulator will take feedback from the battery's voltage and reduce the draw on the alternator if it doesnt need any juice.
are you sure? do alternators vary resistance?
I Am Mike
4 wheels: '01 RAV4 (Formerly '93 Civic CX, '01 S2000, '10 GTI, '09 A4 Avant)
2 wheels: '12 Surly Cross-Check Custom | '14 Trek Madone 2.1 105 | '17 Norco Threshold SL Force 1 | '17 Norco Revolver 9.2 FS | '18 BMC Roadmachine 02 Two | '19 Norco Search XR Steel (Formerly '97 Honda VFR750F, '05 Giant TCR 2, '15 WeThePeople Atlas 24, '10 Scott Scale 29er XT, '11 Cervelo R3 Rival, '12 Ridley X-Fire Red)
No longer onyachin.
Learn something new every day. Go figure.
When it comes to Ryan Jenkins, the story ends with me putting him in the wall.
2009 Speed Triple | 2006 DR-Z400SM | 1999 CBR600F4 | 1998 Jeep Cherokee
-Ginger
Mike Wrote:do alternators vary resistance?
Absolutely.
I have no idea what the effect of electrical charge is on gas mileage though.... someone needs to send this to mythbusters. They'll test it, and then blow the car up - win win!
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
it's too boring a test for them. hurray sitting at stoplights!
I Am Mike
4 wheels: '01 RAV4 (Formerly '93 Civic CX, '01 S2000, '10 GTI, '09 A4 Avant)
2 wheels: '12 Surly Cross-Check Custom | '14 Trek Madone 2.1 105 | '17 Norco Threshold SL Force 1 | '17 Norco Revolver 9.2 FS | '18 BMC Roadmachine 02 Two | '19 Norco Search XR Steel (Formerly '97 Honda VFR750F, '05 Giant TCR 2, '15 WeThePeople Atlas 24, '10 Scott Scale 29er XT, '11 Cervelo R3 Rival, '12 Ridley X-Fire Red)
No longer onyachin.
Mike Wrote:it's too boring a test for them. hurray sitting at stoplights!
They drove around in circles with a truck's tailgate up and down to test gas mileage. This is that far off.
'76 911S | '14 328xi | '17 GTI | In memoriam: '08 848, '85 944
"Here, at last, is the cure for texting while driving. The millions of deaths which occur every year due to the iPhone’s ability to stream the Kim K/Ray-J video in 4G could all be avoided, every last one of them, if the government issued everyone a Seventies 911 and made sure they always left the house five minutes later than they’d wanted to. It would help if it could be made to rain as well. Full attention on the road. Guaranteed." -Jack Baruth
that was moving!
I Am Mike
4 wheels: '01 RAV4 (Formerly '93 Civic CX, '01 S2000, '10 GTI, '09 A4 Avant)
2 wheels: '12 Surly Cross-Check Custom | '14 Trek Madone 2.1 105 | '17 Norco Threshold SL Force 1 | '17 Norco Revolver 9.2 FS | '18 BMC Roadmachine 02 Two | '19 Norco Search XR Steel (Formerly '97 Honda VFR750F, '05 Giant TCR 2, '15 WeThePeople Atlas 24, '10 Scott Scale 29er XT, '11 Cervelo R3 Rival, '12 Ridley X-Fire Red)
No longer onyachin.
Moving at 55 is basically the same as being stopped.
'76 911S | '14 328xi | '17 GTI | In memoriam: '08 848, '85 944
"Here, at last, is the cure for texting while driving. The millions of deaths which occur every year due to the iPhone’s ability to stream the Kim K/Ray-J video in 4G could all be avoided, every last one of them, if the government issued everyone a Seventies 911 and made sure they always left the house five minutes later than they’d wanted to. It would help if it could be made to rain as well. Full attention on the road. Guaranteed." -Jack Baruth
they'll do something more exciting and "check in" on the gas saving experiment... like they always do 
#99 - 2000 Civic Si (Future H2 Car, Former H1 car)
IPGparts.com, AutoFair Honda, Amsoil, QuikLatch Fasteners
NASA-MA Tech Inspector (Retired)
HAULN-SS Wrote:D_Eclipse9916 Wrote:A LOT of confusion and misinformation in this thread.
First Deersty, your wrong. Most cars do shut off the fuel injectors when your in gear and slowing down. First clue that your injectors are off, is wideband A/F. When you are in gear and slowing down, you will notice the wideband goes straight to LEAN. This is because no fuel is being injected. Also, next personal experience and clue aside from talking with many knowledgeable people about it.....is OMG, look at your injector duty cycle. When I am slowing down in gear, it goes to???????? Yes! 0%.
This is only true for manuals. For automatics, there would be no hydraulic pressure to keep the clutches engaged to keep the RPMs high enough so that the injectors stayed shut off. So the RPMs drop to just above idle, and fuel is delivered. Now, I'm gonna go out on a limb here, and say that most cars are automatics.
what clutches? :lol:
All I know about automatics are torque converters and planetary gears, but I may be wrong.
Great thread Scott! I have read a few websites on hypermiling and turning your car off while stopped seems to work.
I keep pretty copious track of mileage, and it has indeed dropped the past few months. I think the ambient temperature outside has something to do with that.
I have also noticed that generally I get better mileage on the tank filled with Shell as opposed to the Costco gas. Manassas also seems to be the cheapest in the area as well.
I go to virginiagasprices.com pretty much daily.
2017 Mineral White BMW M240i Cabriolet
2014 White Platinum Pearl Explorer Sport
Living in the Alamo City.
210
I keep copious track of my mileage, and had a question. Currently I have my 2007 mileage in one worksheet in Excel. Should I go to a second one for 2008? Does it make more sense to track them together or separately? To see how 2007 is different from 2008, etc.
2017 Mineral White BMW M240i Cabriolet
2014 White Platinum Pearl Explorer Sport
Living in the Alamo City.
210
whichever is easier for you, depends on how you have the cells setup
You should try them both, and patiently wait to see what works better.
I stopped tracking gas mileage on the truck a long time ago....
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
the people who obsess and shop around over every penny of gas prices make me laugh
.RJ Wrote:I stopped tracking gas mileage on the truck a long time ago....
I hear ya... My Escape (V6) gets the same mileage whether I drive it like grandma or like I stole it. 17 city, 21 highway. Hoorayyyyy Duratec! :lol:
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