1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Do Honda hybrids suffer similar braking issues?

Discussion in 'Honda/Acura Hybrids and EVs' started by GrumpyCabbie, Feb 5, 2010.

  1. GrumpyCabbie

    GrumpyCabbie Senior Member

    Joined:
    Dec 14, 2009
    6,722
    2,121
    45
    Location:
    North Yorkshire, UK
    Vehicle:
    2010 Prius
    Model:
    III
    With the Prius and its brakes in the news all the time at the moment - for all the wrong reasons, I was wondering if the Honda hybrids have similar issues with their brakes?

    I am assuming they have a regen braking system like the Prius.
     
    #1 GrumpyCabbie, Feb 5, 2010
  2. johalareewi

    johalareewi Member

    Joined:
    Nov 10, 2009
    393
    44
    1
    Location:
    uk
    Vehicle:
    2010 Prius
    Model:
    N/A
    #2 johalareewi, Feb 5, 2010
  3. justlurkin

    justlurkin Señor Member

    Joined:
    Sep 1, 2007
    499
    63
    0
    Location:
    Long Island, NY
    Vehicle:
    2007 Prius
    Model:
    N/A
    Honda hybrids do use regen braking, but with just a 15HP electric motor in the HCH and HI (vs. 60HP MG2 in the 2nd-gen Prius), it's the hydraulic brakes that provide the bulk of the braking capacity in the Hondas.

    So no, the Honda IMA cars don't have such a noticible regen-to-hydraulic transition "lurch" or the M/G protective cut-out when braking over rough roads, because the hydraulic brakes are providing the majority of the braking effort.

    I would expect a car like the Tesla Roadster, Chevy Volt, Nissan Leaf or Fisker Karma to experience the same kind of transition lurch and protective cut-out though, because they also rely on regenerative braking as much as the Prius.
     
    #3 justlurkin, Feb 5, 2010
  4. Tideland Prius

    Tideland Prius Moderator of the North
    Staff Member

    Joined:
    Oct 2, 2004
    45,024
    16,242
    41
    Location:
    Canada
    Vehicle:
    Other Non-Hybrid
    Model:
    N/A
    Not that I know of. I haven't experienced anything when I test drove them. Again, they have less regenerative braking than full hybrids so like justlurking said, they could be using their friction brakes more so the transition isn't there.
     
    #4 Tideland Prius, Feb 6, 2010
  5. statultra

    statultra uber-Senior Member

    Joined:
    Dec 6, 2005
    798
    31
    1
    Location:
    Edison,NJ
    Vehicle:
    2001 Prius
    Model:
    N/A
    the transition on the accord is very evident <17mph autostop, but the abs is not sensitive. so far no braking issues on the HAH.
     
    #5 statultra, Feb 6, 2010
  6. MSantos

    MSantos EcoAccelerometry

    Joined:
    Oct 5, 2006
    581
    252
    1
    Location:
    Canada, Winnipeg
    Vehicle:
    2018 Prius Prime
    Model:
    Technology
    Perhaps my experience can prove otherwise. Yes, depending on how it is driven the transition is VERY noticeable and not different at all from that of the Gen 2 or Gen 3 Prius.

    Frankly, the 2010 Prius issues that the media is reporting is an overblown non-issue to me, so again, the whole thing really depends on how it is driven and knowing how most Prius drivers drive, I would not be surprised if they find the experience unexpected. :rolleyes:

    Lastly, the braking effectiveness of the MG (via regen) on the latest Honda hybrids has absolutely nothing to do with the rated horse power. This is where a lot of people (media included) make the mistake of thinking that the MG contribution on these hybrids is primarily HP instead of TORQUE for assist purposes.

    By the way, the HCH-II is 20 HP and the 2010 Insight is 13-15 HP.

    Cheers;

    MSantos
     
    #6 MSantos, Feb 8, 2010
(You must log in or sign up to post here.)