Go Back   EcoModder Forum > EcoModding > Off-Topic Tech
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 06-20-2018, 12:48 PM   #101 (permalink)
Batman Junior
 
MetroMPG's Avatar
 
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,513

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.71 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 60.16 mpg (US)
Thanks: 4,058
Thanked 6,957 Times in 3,602 Posts
Valid question. When I ran alternatorless in my Firefly, it worked fine on reduced voltage. Though I didn't do it at night (dim headlights).

__________________
Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 06-20-2018, 03:26 PM   #102 (permalink)
Master EcoModder
 
teoman's Avatar
 
Join Date: Jan 2017
Location: Istanbul
Posts: 1,245

A3 - '12 Audi A3
Thanks: 65
Thanked 225 Times in 186 Posts
He has batteries of different chemistries and voltages. 7V drone batteries or 48v scooter batteries maybe.

I think he also wants to keep the car as stock as possibble. So he is running alternatorless BUT from the perspective of the car, the function of the alternator is performed by the auxiliary batts.

He will not experience any voltage sag either.


If my car proves to automatically switch off the alternator if the batterie has 15-16v, then i may do the same with supercaps instead of the cars batterie.

Last edited by teoman; 06-20-2018 at 03:41 PM..
  Reply With Quote
Old 06-20-2018, 11:45 PM   #103 (permalink)
Master EcoModder
 
Stubby79's Avatar
 
Join Date: Sep 2012
Location: Victoria, BC
Posts: 1,747

Firefly EV - '98 Pontiac Firefly EV
90 day: 107.65 mpg (US)

Little Boy Blue - '05 Toyota Echo
90 day: 33.35 mpg (US)

BlueZ - '19 Nissan 370Z Sport
90 day: 17.19 mpg (US)
Thanks: 75
Thanked 576 Times in 426 Posts
Quote:
Originally Posted by California98Civic View Post
I understand the measurements. (Impressive ad hoc set up, too, McGyver.) Thanks for the demonstration snaps. But I don't understand your need for stepped voltage in order to run without an alternator. What's that about? I am not criticizing... I actually do not understand the need you describe! Lol.
Stable voltage, portable battery pack, use a(different voltage) battery I already have rather than something purpose built (Read:$$), not buy a heavy deep-cycle battery, efficiency/reliability over using a resistor, able to carry more than one battery, and all to avoid draining the main battery and getting stranded. Take your pick?
  Reply With Quote
Old 06-21-2018, 08:05 AM   #104 (permalink)
Master EcoModder
 
Join Date: Jun 2016
Location: KY
Posts: 1,346

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)
Thanks: 63
Thanked 364 Times in 268 Posts
Systems like the fuel pump and ignition coils are happier with closer to 14V than with only 12 (or whatever the voltage is on the battery)... car runs better and gives better FE than otherwise
__________________
My current Ecotec project...


My last Ecotec project...
  Reply With Quote
Old 07-02-2018, 12:08 PM   #105 (permalink)
Master EcoModder
 
Stubby79's Avatar
 
Join Date: Sep 2012
Location: Victoria, BC
Posts: 1,747

Firefly EV - '98 Pontiac Firefly EV
90 day: 107.65 mpg (US)

Little Boy Blue - '05 Toyota Echo
90 day: 33.35 mpg (US)

BlueZ - '19 Nissan 370Z Sport
90 day: 17.19 mpg (US)
Thanks: 75
Thanked 576 Times in 426 Posts
Tried it out, finally, now that I'm back to being the sole driver. Disconnected the alt, plugged in the pack and went on my merry way.

The good:
Engine noticeably peppier, especially at light loads. Made her feel a lot lighter. Got to work and back with no issue.

The bad:
The main battery ran out of juice on the way to work the second day, the pack overloaded the 15A accessory fuse, and she died on me. Didn't have what I needed to get her started again, had to call for a jump-start. D'oh!!

I'll revisit this, either when I get the rest of my LEDs, or when I have back-ups installed.

The couple of drives I got out of it were very encouraging.
  Reply With Quote
Old 01-07-2019, 11:58 AM   #106 (permalink)
Batman Junior
 
MetroMPG's Avatar
 
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,513

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.71 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 60.16 mpg (US)
Thanks: 4,058
Thanked 6,957 Times in 3,602 Posts
Any updates? Overall happiness with the car / fuel economy after coming up to one year of ownership?


(I ask because this thread was one of the top 25 most popular of 2018. Compiling the list now...)
__________________
Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
  Reply With Quote
Old 03-28-2019, 11:15 PM   #107 (permalink)
EcoModding Lurker
 
Join Date: Mar 2019
Location: Manassas, Virginia
Posts: 6
Thanks: 0
Thanked 0 Times in 0 Posts
After years of driving a stick shift, buying A/T is the best decision I have ever made.
  Reply With Quote
Old 03-28-2019, 11:29 PM   #108 (permalink)
(:
 
Frank Lee's Avatar
 
Join Date: Jan 2008
Location: up north
Posts: 12,762

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
Thanks: 1,585
Thanked 3,555 Times in 2,218 Posts
Care to flesh that out at all?
__________________


  Reply With Quote
Old 03-29-2019, 12:48 PM   #109 (permalink)
Batman Junior
 
MetroMPG's Avatar
 
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,513

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.71 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 60.16 mpg (US)
Thanks: 4,058
Thanked 6,957 Times in 3,602 Posts
New Prius owner...


Newbie from Virginia
__________________
Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
  Reply With Quote
Old 03-29-2019, 02:20 PM   #110 (permalink)
Not Doug
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Show Low, AZ
Posts: 12,186

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 35.35 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 34.2 mpg (US)

Gramps - '04 Toyota Camry LE
90 day: 35.39 mpg (US)

Don't hit me bro - '05 Toyota Camry LE
90 day: 35.79 mpg (US)
Thanks: 7,217
Thanked 2,217 Times in 1,708 Posts
I am going to go work on my Civic. Autotragics are lame.

Years ago a friend said that with cellphones, eating, and I forget what else, there just was not any reason to drive a stick shift.

Am I the only one that prioritizes driving while driving?

--sent from my iPhone.

  Reply With Quote
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com