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From: John B. <slocombjb@gmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Disc brake maintenance tips
Date: Thu, 27 Jun 2024 08:18:17 +0700
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On Wed, 26 Jun 2024 10:54:49 +0200, Rolf Mantel
<news@hartig-mantel.de> wrote:

>Am 26.06.2024 um 03:14 schrieb John B.:
>> On Tue, 25 Jun 2024 10:46:03 +0200, Rolf Mantel
>> <news@hartig-mantel.de> wrote:
>> 
>>> Am 25.06.2024 um 03:32 schrieb John B.:
>>>> On Mon, 24 Jun 2024 17:38:40 +0200, Rolf Mantel
>>>> <news@hartig-mantel.de> wrote:
>>>>
>>>>> Am 24.06.2024 um 16:57 schrieb AMuzi:
>>>>>> On 6/24/2024 8:44 AM, Rolf Mantel wrote:
>>>>>>> Am 24.06.2024 um 02:40 schrieb AMuzi:
>>>>>>>
>>>>>>>> In fairness, Mr Forester wrote a very long time ago and assumed
>>>>>>>> automobile pilots were neither homicidal maniacs nor stoned out of
>>>>>>>> their minds. This isn't as true now. He also wrote before walk-around
>>>>>>>> telephones; now every other driver is consumed with denigrating some
>>>>>>>> kid in a chatroom with his thumbs while wandering across lane lines...
>>>>>>>
>>>>>>> .. and many modern cars, like mine, already ensure they stay in lane
>>>>>>> and keep enough distance to the car or bike ahead.
>>>>>>>
>>>>>>> By 2040, these kind of safety features will be present in more than
>>>>>>> 90% of the cars, so it will be meaningful for a cyclist to make sure
>>>>>>> the car LIDAR has seen him rather than the car driver...
>>>>>>
>>>>>> Does that feature mean a driver cannot move over (slightly out of lane)
>>>>>> to give courteous space when passing a cyclist? I don't know.
>>>>>
>>>>> "Lane warning" gives a warning sound and tactile feedback when the
>>>>> driver crosses a lane marker without activating the indicator.
>>>>>
>>>>> With "Lane Assist" the car automatically gently steers such that the car
>>>>> stays in lane (this feels a bit like a 1/2" curb).  It can be overridden
>>>>> by actively steering out of the lane or by activating the indicator.
>>>>
>>>> Out of curiosity what constitutes as a "lane". Here the vast ,majority
>>>> of "lanes" are indicated by a simple paint line on the highway.
>>>
>>> Simple paint on the highway allows the car's camera to recognize where
>>> it is expected to drive.  My car is able to identify lane markings (most
>>> of the time it is capable of interpreting a mix of permanent while lines
>>> with yellow temporary markings) but often is unable to identify curbs.
>> 
>> And this is a device which you pay extra for? Amazing, but how is
>> this an advantage over eyes?
>
>In safety architecture, there's the rule "four eyes see more than two 
>eyes".  The car's eyes don't fall asleep behind the wheel so prevent 
>crashes when the driver does.
>Additional safety features like "lane assist" are typically thrown into 
>the bundle rather than costing extra because they improve the car's 
>safety rating.
>
>Additional comfort features like "adaptive cruise control" typically 
>cost extra (and I would never buy a new car without adaptive cruise 
>control).
>
>Rolf

I'm not sure about that "falling asleep". At least inn my own
experience - about 70 years or so, trucks, cars, motorcycles and
yachts :-0

But for drunken  driving it must be really helpful. 

P.S. I might add that many airplanes only have 2 eyes to drive them.
Imagine that. Rushing along at suprsonic speeds with only two eyes.

Or goodness, gracious, walking down stairs ( I know a guy does it with
only one eye) :-)
-- 
Cheers,

John B.