acensor
Posts: 356
Joined: Fri Mar 15, 2013 7:17 pm
Location: Southern Oregon

Lose the power steering?

Mon Sep 09, 2013 4:26 pm

This is so light on the front wheels (~1200 pounds) , and contact patch of the front tires so small and narrow , that I bet if they tested one optimized for manual rack and pinion steering it should be quite light and fast. And of course save a few dollars in build costs and afew ,ess electronic and mechanical thing that can fail.

The current power steering is good, but a little lacking on transmitting road feel.

Realistically, I fon't ever expect Mitsubishi or any mainstream maker to dare try to sell a car without power steering.
But if they did on the MiEV i would bet it would be fine.
Last edited by acensor on Mon Sep 09, 2013 6:26 pm, edited 1 time in total.
Alex
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Don
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Re: Lose the power steering?

Mon Sep 09, 2013 5:55 pm

My Miata ('94 model) has manual steering - The ratio is a little slower than those with power steering and to be truthful, it's still a little 'heavy' at times

The thing you get with power is the ability to have both variable ratio steering and speed sensitive steering - Our electric power steering has both and those benefits make it worth the slight loss of feel you get, IMO

My Kubota diesel garden tractor also has electric power steering - Wouldn't trade it for the world!!

Don
2012 iMiEV SE Premium, White
2012 iMiEV SE, White
2017 Chevy Volt Premier
2014 Ford Transit Connect XLT SWB wagon, 14,000 miles
1979 Honda CBX six into six

MLucas
Posts: 833
Joined: Thu Jun 07, 2012 8:52 am
Location: Niagara on the Lake, Ontario, Canada

Re: Lose the power steering?

Tue Sep 10, 2013 6:47 am

The reviewers are already screaming about how 'base' our cars are, they would have a flipping fiesta if this car came without power steering. I've driven enough cars without power steering, would rather have it than not.

Like Dylan...I went electric.

  • Purchased: June 29th, 2012
  • Mileage on June 29th, 2013 - 25,431 km / 15,802 miles
  • Mileage on June 29th, 2014 - 51,286 km / 32,616 miles

List of Oil Spills: http://en.wikipedia.org/wiki/List_of_oil_spills

fjpod
Posts: 529
Joined: Tue Apr 17, 2012 2:31 am
Location: NYC

Re: Lose the power steering?

Tue Sep 10, 2013 7:23 am

comes in handy with parallel parking.

peterdambier
Posts: 284
Joined: Thu Oct 04, 2012 3:26 am
Location: Bergstrasse, Germany

Re: Lose the power steering?

Tue Sep 10, 2013 3:26 pm

You can easily try how it feels without power steering but be careful.

Stop at a lone downhill road. Get into parking and switch off. Switch on ignition but not ready. Switch gear into neutral and begin rolling. Dont go too fast. Carefully operate the hand break if breaking with your foot is too heavy for you.

Best try close to the foot of the downhill, just in case and try to be alone on the road.

Your breaks might work normal at first so pump a few times to get the right feeling.

Steering works electric. Without "Ready" you should have manual steering.

This experiment could be a life safer one day.

Actually I did drive without going "Ready" several times and only noticed something was wrong when the break pedal became strong and steering became stiff and the car would not react to the gas pedal. An i-MiEV can become very stubborn because it wants to be parking before going "Ready". Dont switch to "Parking" when the car is rolling.

Cheers
Peter and Karin
Peter and Karin Dambier, DL2FBA, www.piraten-fraktion-bergstrasse.de

acensor
Posts: 356
Joined: Fri Mar 15, 2013 7:17 pm
Location: Southern Oregon

Re: Lose the power steering?

Wed Sep 11, 2013 7:58 am

peterdambier wrote:You can easily try how it feels without power steering but be careful.

Stop at a lone downhill road. Get into parking and switch off. Switch on ignition but not ready. Switch gear into neutral and begin rolling. Dont go too fast. Carefully operate the hand break if breaking with your foot is too heavy for you.....


Peter and Karin


I'm not sure that is a fair test of what factory designed manual steering would be like.

In the mode you describe when turning the steering wheel you probably have to be dragging along with you the electric motor and other parts of the owner steering geometry.
And the whole linkage between steering wheel and front wheels is not optimized for Manuel and is not rack and pinion.

A better test might be to get into the drivers seat of a very old rear engine Porsche with manual steering. ;)
Alex
{this message posted with 100% post consumer recycled electrons}
SE 2012 white with blue trim, powered by PV (~65%)
2015 Subaru Forester CVT
Two Trek street/trail bicycles optimized for mild around town use

MLucas
Posts: 833
Joined: Thu Jun 07, 2012 8:52 am
Location: Niagara on the Lake, Ontario, Canada

Re: Lose the power steering?

Wed Sep 11, 2013 9:51 am

Just have to think back to the days of 'hand-over-hand' to keep the steering wheel from turning back to a neutral position.

Like Dylan...I went electric.

  • Purchased: June 29th, 2012
  • Mileage on June 29th, 2013 - 25,431 km / 15,802 miles
  • Mileage on June 29th, 2014 - 51,286 km / 32,616 miles

List of Oil Spills: http://en.wikipedia.org/wiki/List_of_oil_spills

Don
Site Moderator
Posts: 2856
Joined: Thu May 10, 2012 3:55 pm
Location: Biloxi MS

Re: Lose the power steering?

Wed Sep 11, 2013 5:54 pm

MLucas wrote:Just have to think back to the days of 'hand-over-hand' to keep the steering wheel from turning back to a neutral position.
Oh - You had a '57 Chevy in your younger days too, huh? :lol:

Don
2012 iMiEV SE Premium, White
2012 iMiEV SE, White
2017 Chevy Volt Premier
2014 Ford Transit Connect XLT SWB wagon, 14,000 miles
1979 Honda CBX six into six

MLucas
Posts: 833
Joined: Thu Jun 07, 2012 8:52 am
Location: Niagara on the Lake, Ontario, Canada

Re: Lose the power steering?

Thu Sep 12, 2013 6:36 am

Don wrote:
MLucas wrote:Just have to think back to the days of 'hand-over-hand' to keep the steering wheel from turning back to a neutral position.
Oh - You had a '57 Chevy in your younger days too, huh? :lol:

Don


1971 Toyota Celica ST, 1978 Honda Civic, 1970 Triumph GT6, 1970 Datsun B110, 1990 Honda Civic HF, 1989 Geo Metro Convertible, and my mom's 1974 AMC Hornet. Even for a light car like the 78 Civic, manual steering was a PITA! I remember having to hold the wheel while waiting for a turn at an intersection, too. I do remember necker knobs though which were used to help out with the manual steering.

Like Dylan...I went electric.

  • Purchased: June 29th, 2012
  • Mileage on June 29th, 2013 - 25,431 km / 15,802 miles
  • Mileage on June 29th, 2014 - 51,286 km / 32,616 miles

List of Oil Spills: http://en.wikipedia.org/wiki/List_of_oil_spills

jray3
Posts: 1623
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Lose the power steering?

Fri Sep 13, 2013 12:04 pm

My Karmann Eclectric's manual steering is easy enough EVen with wide wheels and a 280 lb battery pack up front, so I jumped on this idea. Pulling the fuse to see if the car will go 'Ready' without power steering would be obvious, but it appears there is no fuse for the power steering motor, only connectors that one must pull the console to access.
2012 i-SE "MR BEAN" 102,600 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

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