...some buttons in the car that let me set a 'soft' speed limiter - i.e. if
you are driving gently and creep up to the limit, it stops when it gets
there. If you put your foot down and deliberately accelerate past it, then
it lets you.
I see it as an add on to a cruise control. Buttons or a clickwheel for
30,40,50,60,70,80 (20?). Also some sort of setting for how harsh the
acceleration is - if I'm doing 30 and press 60 does it rocket up or slooowly
cruise up to speed?
Obviously the same safety aspects as cruise need to apply. but I can see it
making journeys and keeping below the limits much easier and more relaxing.
Any thoughts, other ideas, whatever?
Anybody heard of a homebrew ECU system that isn't ridiculously expensive?
Interesting question, and that's the sort of thing that would appeal to me,
but I've no idea what's available. I mainly like cruise control devices as
an aid to keeping to speed limits in roadworks areas. They don't seem to be
much use in normal traffic conditions, only quiet motorways seem to offer
much opportunity to use them in my experience.
Best wishes all,
Dave.
Piece by piece the penguins have taken my sanity
www.drzoidberg.co.uk www.ebayfaq.co.uk
Buy a Mercedes with Speedtronic. You set a speed that you want as maximum by
driving up to that speed and setting the Speedtronic, just like cruise
control. You then maintain speed up to the set limit with the accelerator as
normal. I have it on my Merc, but prefer to use the cruise control instead.
Ian
> I want....
>
> ...some buttons in the car that let me set a 'soft' speed limiter - i.e. if
> you are driving gently and creep up to the limit, it stops when it gets
> there. If you put your foot down and deliberately accelerate past it, then
> it lets you.
Who would want to make a car like that? As soon as someone gets done for
speeding and says the limiter was on the manufacturer has a lot of shit to
wade through.
Still the drivers responsibility, no question.
>I want....
>
>...some buttons in the car that let me set a 'soft' speed limiter - i.e. if
>you are driving gently and creep up to the limit, it stops when it gets
>there. If you put your foot down and deliberately accelerate past it, then
>it lets you.
Isn't this standard on a Citroen C4?
--
Hugo Nebula
"If no-one on the internet wants a piece of this,
just how far from the pack have you strayed?"
>On Mon, 29 May 2006 15:33:52 +0100, a particular chimpanzee named "PC
>Paul" <m...@home.com> randomly hit the keyboard and produced:
>
>>I want....
>>
>>...some buttons in the car that let me set a 'soft' speed limiter - i.e. if
>>you are driving gently and creep up to the limit, it stops when it gets
>>there. If you put your foot down and deliberately accelerate past it, then
>>it lets you.
>
>Isn't this standard on a Citroen C4?
Yes, it is - had one as a courtesy car, also has cruise control as
standard.
The limiter is almost permanently switched on, and it allows me to ensure
that 2.7 litres of diesel Merc is always the right side of the limit (when
it suits me)!
I wouldn't be without it, and miss it when I'm in my wife's car.
BMW cruise/OBC has a limit function which IIRC is switched out by full
throttle or possibly the kickdown switch. I can't remember if it
actually limits at the setting or just buzzes and limits a few mph on -
I tried it a couple of times a BMW ago...
I find using cruise as a de facto limiter more convenient but have a
friend who swears by it.
A
The Renault Laguna has this (or at least a mate's 2 year old 3l v6
Privilege spec does.....)
> I see it as an add on to a cruise control. Buttons or a clickwheel for
> 30,40,50,60,70,80 (20?).
You set the speed in 1mph increments IIRC
Alan
--
Warning! - This newsgroup may contain nuts....
Mail sent to this address might get read....Eventually
That's no good, I want to approach a limit sign and punch the right button.
Not start fiddling about trying to set it to 29mph... then 49mph... then
29mph... you get the picture.
I do indeed :o) All that button pushing whilst staring at the display
between the speedo and rev counter is probably not a major contribution
to road safety....
I only tried it a couple of times when I first got my 740 about 5 years
back and played with *all* the OBC functions...
So all it does is go "choong!" and flash "Limit 140mph" on the
notification area?
A
[...]
> That's no good, I want to approach a limit sign and punch the right
> button. Not start fiddling about trying to set it to 29mph... then
> 49mph... then 29mph... you get the picture.
Every cruise control I've ever met works in basically the same way with
the same functions:
o Set - activates cruise at current speed
o Cancel - deactivates cruise, as does touching the brakes
o Resume - return to last speed Set
o [In,De]crease - like it says...
Usually a tap on the [In,De]crease will change the speed by a small
fixed amount while holding it opens or closes the throttle, the Set
speed is cleared when you come to a halt or slow below some threshold
and if you accelerate above the Set speed briefly and/or by a small
amount the system will Resume when you release the throttle.
I've heard of aftermarket systems with pre-sets but never seen one.
A
Same here, that's why I want one that does what *I* want it to.
I have come across one cruise control that didn't work as you described.
On my Carlton GSi it had a very crude motor-on-the-throttle-cable cruise
which literally just wound up the cable as needed until you reached the set
speed, then let go and started winding up again. I'm certain there was
something wrong with it!
I have been told that the carlton cruise was a bit rough, but this was
ridiculous. even in 5th, it had a fair bit of torque so when it started
winding it on quickly you knew about it.
On-Off-On-Off was unuseable. And in third it was positively dangerous...
entertaining, but dangerous. Whiplash city.
Depending on how it is arranged I don't see that pressing the right button
to activate a speed limiter need be overly distracting from safe driving.
In any case, instead of buttons it could be similar to the screenwiper
control stalk that has a rotary control on the end to adjust the wiper delay
when in intermittent wipe mode. It could simply be marked 30, 40, 50, 60
and 70 - and the rest! :-)
Best wishes all,
Dave.
--
Conor,
Grumpy Old Man.
Same shit, different day.
As they are with sat nav, but it doesn't stop idiots trusting it 100%.
Of course but the driver is still going to want the manufacturer to
explain how he got done for speeding when he was using a device that was
supposed to prevent him from doing so.
Something that isn't what you want but is something I'm going to experiment
with when time allows is this
a digital speedometer/speed alert kit. Designed to operate from a coil and a
bunch of magnets attached to (eg) your propshaft but I don't see any reason
why it can't be got to work from the cars existing speed pulse.
The speed at which it alarms is set with a pair of up/down push buttons
which adjust the speed in increments of 5. Not my strong point but I may try
and replace the supplied PIC processor with one programed by yours truly to
allow the alarm to be set by seperate buttons for each speed. I guess 30 to
70 in increments of 10 would be adequate.
Quite a few other interesting car related kits on the same site.
http://www.jaycarelectronics.co.uk/
> Quite a few other interesting car related kits on the same site.
> http://www.jaycarelectronics.co.uk/
Hadn't seen that one, ta.
maybe it could be rigged like a glider variometer. Once you get more than a
few mph away from the 'target' speed, it sounds a tone which goes lower if
you're slowing down or gets higher if you're speeding up...
Kinda "Is that all?" isn't it - just tried it today...
...not set to 140mph though. 8)
> I find it more annoying than useful, as it invariable goes off when I
> deliberately go faster than I've set it to, such as during an
> overtake, when I'm not going to dilly-dally. Half way through the
> overtake you get the "choong!" and wonder "what the hell was that?".
I prefer to limit the "choong!"s to important events - frost fuel and
faults is fine.
> Still, if you have it, the speed limiter thing looks good on the
> NAV/TV screen (it looks like a regular speed limit sign). Just set
> it to 155mph and let your friends wonder...
No Nav or TV... :(
...but it's an ALPINA so no tiresome 155 limit either. :)
A
[...]
>> ...but it's an ALPINA so no tiresome 155 limit either. :)
>
> Oooh! Nice.
I do like it, lots. "It" being B10 V8 #125 :)
http://www.wellcheap.com/gallery2/v/B10/
Not had it significantly over 168mph (5600rpm in 5th) - passenger
comment "Your car sounds happy", spoken not shouted - but have no doubt
it would have made the claimed 174mph but for the Polo on the horizon
passing the truck just over it...
> I think a B5 might be the order of the day come replacement time. The
> E65 just hasn't grown on me.
I had an E38 740i before the B10 and though I have missed the huge boot
on a couple of occasions there's no feeling of downgrading moving to the
E39 5er and big gains in nimbleness - not just size, the aluminium
suspension too.
I think the E65 would have grown on me but for the E60; I think the E60
will be looked back on as a design classic.
My next car will be a B5 unless a particularly special B10 V8S presses
itself upon me.
A
Sounds like it was knackered. The Cruise on my Carlton Diplomat was the
same wire pulling motor arrangement but worked fine.
--
Douglas
I suspect there was supposed to be some sort of mechanism for it holding
throttle position once it got there but it had broken.
Not that I needed it much, living in the middle of miles of country lanes.
For a barge, the Carlton handled pretty well. AutoCar had it down as an
'excellent trackday car'
Wahey. After the discussion on here I realised it doesn't need to be an ECU
(although i did find one... http://www.megasquirt.info), what would do
instead is just a cruise control with presets.
This looks favourite so far. About £300 all in, with a stalk that controls
it all and has 3 presets on it too. Or a gearknob covered in buttons. Or an
IR remote. Or...