03-02-2018, 03:25 AM | #1 |
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At first I was thinking EVs should sound like a lumpy-idling big block but maybe not. Maybe a little tricycle bell is more fitting? What do you think these quiet cars should sound like?
From Routers: https://www.reuters.com/article/us-a...-idUSKCN1GA2GV The U.S. Department of Transportation on Monday finalized rules that will require"quiet cars" like electric vehicles and hybrids to emit alert sounds to warn pedestrians of their approach, extending to 2020 the deadline for full compliance. The long-delayed rules, which were first demanded by Congress in 2010, will require automakers like Tesla Inc, Nissan Motor Co and General Motors Co to add sounds to vehicles when they are moving at speeds of up to 18.6 miles per hour (30 km per hour) to help prevent injuries among pedestrians, cyclists and the blind. Regulators said they will consider a request from automakers to allow them to include multiple sounds that would allow owners to select a preference. NHTSA estimates the odds of a hybrid vehicle being involved in a pedestrian crash are 19 percent higher than with a traditional gasoline-powered vehicle. About 125,000 pedestrians and cyclists are injured annually on roads in the United States.
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03-02-2018, 03:52 AM | #2 |
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I'd expect nothing less of the USA. Good to see lawmakers embracing advancements in automotive technology in exactly the same way that their forefathers did in the mother country.
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03-02-2018, 05:55 AM | #3 |
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A simple playing card in the spokes would be fine. The noise would be speed sensitive to give pedestrians a since of whether the car was accelerating, slowing, etc. I cringe at the thought of personalizing the noise. It's bad enough with all the different cell phone ring tones, and they typically aren't going off constantly. Imagine thousands of cars out on the road making unique noises. I bet it will sound like a fleet of ice cream trucks driving through town.
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03-02-2018, 08:20 AM | #4 |
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03-02-2018, 08:54 AM | #5 |
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I want this sound on my future E- piece of cr@p....just to screw with the kids....they'd all run out and then get sad....(The ice cream truck sound!)
https://www.youtube.com/watch?v=CZB6WXDuM1g
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03-02-2018, 09:46 AM | #7 | |
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There's a reason bicycles have had bells as a primary available accessory for decades -- and it's not legislative mandate. It's U.S. case law -- and, by extension, insurance liability -- as it relates to culpability. You hit someone on a bike from behind and hurt them, it's your fault and you're liable, no matter how in the wrong the injured party is, in almost every case. The key is approaching from behind -- a situation that can only, by legal definition as I understand it, be mitigated by the vehicle operator. It's the same basic rule as being in stopped traffic and ramming the person in front of you because a car three cars back rammed the person in front of them and caused a chain reaction. Fundamentally, each person who does the ramming from behind is liable for the person they rammed into, even if the person who did the ramming did nothing proactive. Many hybrid and EV owners already feel entitled enough as it is. This has been long overdue.
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03-02-2018, 10:05 AM | #8 |
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Man, when I'm on my bike I'm worried about Betsy the Soccer Mom texting in her Escalade, or Bubba the Missing Phallus Redneck in his F350. Not a Prius.
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03-02-2018, 10:06 AM | #9 |
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What about Betsy the soccer mom in her Tesla Model X?
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03-02-2018, 10:16 AM | #10 |
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She's too busy in the parking lot fighting the stupid door.
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03-02-2018, 10:57 AM | #11 |
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Are very quiet gasoline-powered cars exempt? What exactly is the threshold for how much noise cars will need to make?
As long as it can be fully defeated or unnecessary on my Tesla Roadster, I don't give a shit...but it's a stupid rule overall. |
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03-02-2018, 12:14 PM | #13 | ||
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Quote:
I've been hit (luckily at a slow enough speed) twice already by electric/hybrid cars in underground/multi-story car parks where they have suddenly appeared from nowhere from behind a large van as I was walking by. Sadly I don't think there's anything similar being proposed for the UK/EU.....or if there is I've not seen anything yet.
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03-02-2018, 02:21 PM | #14 |
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Actually not.
I have had several hybrids and often have people walking or on bikes on dead end residential street that did not hear me coming up behind them. They often blocked the road and after slowing to a stop was forced to sound the horn to get them out of the road to get by. It is a safety feature I don’t want....but I understand the need. Or just pipe ASD through a front speaker. |
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03-02-2018, 03:22 PM | #16 |
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I pulled up behind my wife in our then-new Subie in a food store parking lot umpty-seven years ago. That car was dead quiet at parking lot speed. Scared the crap out of her.
Moral: sticking this only on electric cars is bunk. (The libertarian in me says the entire concept is bunk.) |
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03-02-2018, 05:11 PM | #17 |
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Almost been hit several times by EVs/hybrids. Long overdue. You can check the street both ways, turn and one of the fuckers is racing down the street virtually silently.
Only reason I'm still alive on one account was I saw movement in my peripherals as I turned back around. Scary shit. Even worse in parking garages; whipping around corners dead in the middle of the aisle.
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03-02-2018, 05:21 PM | #18 |
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Vehicle Sound Generator...
The i8(& i3) already have this technology. Its called: Vehicle Sound Generator
The VSG unit is located up front under the right headlight/bumper area. The VSG only works at low speeds. http://www.realoem.com/bmw/enUS/show...diagId=65_2508 There is another ASD unit incorporated into the exhaust, that changes the sound of the i8's three cylinder engine. And yet another ASD that works thru the car's stereo system. http://www.realoem.com/bmw/enUS/show...diagId=65_2493 The i3 has a VSG too for pedestrians... http://www.realoem.com/bmw/enUS/show...diagId=65_2545 Dackel
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03-02-2018, 05:49 PM | #19 |
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ear buds and smart phones
So when are the lawmakers going to outlaw walking on public streets with ear buds and your nose buried in your smart phone, paying no attention to where you are walking, nor the street signals?
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03-02-2018, 05:57 PM | #20 | |
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Which is to say never. If you’ve pulled out your phone just once in public you are just as guiilty. Most people think it’s “someone else” that creates these situations. It’s human capability (human factors). |
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03-02-2018, 06:29 PM | #21 |
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03-03-2018, 12:10 AM | #22 |
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This isn't idiotic, it's about protecting pedestrians. Are people in this thread really saying that people can somehow be 100% aware of everything happening around them? You react to what you perceive as a threat, that's hard-wired into your brain. A sound here, a sound there, something moving fast in your vision, you won't hear or see everything, it's simply not possible. Your brain filters out what it deems unimportant. Something does need to happen with EVs to give the pedestrians the same level of safety they had with ICE engine cars, whether it's sound or advanced collision detection/prevention systems. A human, operating at 100% capability, will still make errors. The idea here is to make the consequences a bit less than "death" for those errors. I don't see why this is such a big deal to people, as a student of ergonomics, it's a simple function of human capability and HF in design engineering.
Luckily, my 2SS 1LE opens the valves when I start it and "announces" itself quite audibly.
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