OT: WARNING Landmine on Van Ness, SF (NB 101)...

E

Eddy Lee

Guest
Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
 
On Monday, July 17, 2023 at 8:43:47 AM UTC-4, Eddy Lee wrote:
Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.

Sounds like the front end was on the verge of going out anyway. Be thankful you got off this easily.
 
On Monday, July 17, 2023 at 7:19:12 AM UTC-7, Fred Bloggs wrote:
On Monday, July 17, 2023 at 8:43:47 AM UTC-4, Eddy Lee wrote:
Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
Sounds like the front end was on the verge of going out anyway. Be thankful you got off this easily.

Yes, might want to change car and just move my batteries over. I just want to pay with batteries anyway.

There was an accident with previous owner, but no detail on it.
 
On Monday, July 17, 2023 at 7:23:46 AM UTC-7, Eddy Lee wrote:
On Monday, July 17, 2023 at 7:19:12 AM UTC-7, Fred Bloggs wrote:
On Monday, July 17, 2023 at 8:43:47 AM UTC-4, Eddy Lee wrote:
Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
Sounds like the front end was on the verge of going out anyway. Be thankful you got off this easily.
Yes, might want to change car and just move my batteries over. I just want to pay with batteries anyway.

There was an accident with previous owner, but no detail on it.

Testing my expansion battery using AC110V->DC168V-(/5)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.

Eventually, just move the battery out of the vehicle and plug it in the wall.
 
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
<eddy711lee@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.

I avoid horrors like Van Ness and Diviz and Valencia and Market
Street. It\'s faster and much more pleasant to take some smaller side
streets whenever possible.

I go up Scott instead of Diviz to get to Kaiser, for example. Stop
signs cycles faster than traffic lights, and busses really slow things
down.

Electric cars are heavy. Maybe less maneuverable than gas cars, and
there\'s more mass to damage suspensions when you hit a bump or even
turn hard.
 
On Monday, July 17, 2023 at 8:14:16 AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
I avoid horrors like Van Ness and Diviz and Valencia and Market
Street. It\'s faster and much more pleasant to take some smaller side
streets whenever possible.

Van Ness was empty at 4am. Would have seen it earlier in daytime.

I go up Scott instead of Diviz to get to Kaiser, for example. Stop
signs cycles faster than traffic lights, and busses really slow things
down.

Electric cars are heavy. Maybe less maneuverable than gas cars, and
there\'s more mass to damage suspensions when you hit a bump or even
turn hard.

It was too manurable. I hard turn to the right to avoid the anti-vehicle mine (watching too much RU/UA video), and pushing the left wheel sideway. The lower control arm is bended (toe-in). The repair shop wants $700 to fix it. I asked him to just bend it back a bit. He won\'t.

It\'s self-correcting a bit and I can drive at 25MPH. My friend in Vegas can probably do it for less. That\'s what they do for wheel alignment anyway. I will have to drive to Vegas at 25MPH.
 
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
<edward.ming.lee@gmail.com> wrote:

On Monday, July 17, 2023 at 8:14:16?AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
I avoid horrors like Van Ness and Diviz and Valencia and Market
Street. It\'s faster and much more pleasant to take some smaller side
streets whenever possible.

Van Ness was empty at 4am. Would have seen it earlier in daytime.

I go up Scott instead of Diviz to get to Kaiser, for example. Stop
signs cycles faster than traffic lights, and busses really slow things
down.

Electric cars are heavy. Maybe less maneuverable than gas cars, and
there\'s more mass to damage suspensions when you hit a bump or even
turn hard.

It was too manurable. I hard turn to the right to avoid the anti-vehicle mine (watching too much RU/UA video), and pushing the left wheel sideway. The lower control arm is bended (toe-in). The repair shop wants $700 to fix it. I asked him to just bend it back a bit. He won\'t.

What was the \"mine\"? A cardboard box?

It\'s self-correcting a bit and I can drive at 25MPH. My friend in Vegas can probably do it for less. That\'s what they do for wheel alignment anyway. I will have to drive to Vegas at 25MPH.

Drive to Vegas and back, at 25 MPH, to save a few hundred dollars?
1100 miles round trip, maybe 45 hours. On back roads, presumably.

Electric cars are a disease.
 
On Monday, July 17, 2023 at 10:45:47 AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
On Monday, July 17, 2023 at 8:14:16?AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
I avoid horrors like Van Ness and Diviz and Valencia and Market
Street. It\'s faster and much more pleasant to take some smaller side
streets whenever possible.

Van Ness was empty at 4am. Would have seen it earlier in daytime.

I go up Scott instead of Diviz to get to Kaiser, for example. Stop
signs cycles faster than traffic lights, and busses really slow things
down.

Electric cars are heavy. Maybe less maneuverabble than gas cars, and
there\'s more mass to damage suspensions when you hit a bump or even
turn hard.

It was too manurable. I hard turn to the right to avoid the anti-vehicle mine (watching too much RU/UA video), and pushing the left wheel sideway. The lower control arm is bended (toe-in). The repair shop wants $700 to fix it. I asked him to just bend it back a bit. He won\'t.
What was the \"mine\"? A cardboard box?

Yes, around 2\' to 3\' box, right in the middle of the road .

It\'s self-correcting a bit and I can drive at 25MPH. My friend in Vegas can probably do it for less. That\'s what they do for wheel alignment anyway.. I will have to drive to Vegas at 25MPH.
Drive to Vegas and back, at 25 MPH, to save a few hundred dollars?
1100 miles round trip, maybe 45 hours. On back roads, presumably.

Electric cars are a disease.

Could have happened to any car. I\'ll ask my friend to re-enforce the control arm with additional metal bars.
 
Ed Lee <edward.ming.lee@gmail.com> wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to
avoid it, and broke my front end. Might have been better to just
hit it.

It was too manurable. I hard turn to the right to avoid the
anti-vehicle mine (watching too much RU/UA video),

Moral of the story:

Don\'t watch RU/UA video while driving. Pay actual attention to your
*driving* while driving.
 
On Monday, July 17, 2023 at 10:51:10 AM UTC-7, Ed Lee wrote:
On Monday, July 17, 2023 at 10:45:47 AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
On Monday, July 17, 2023 at 8:14:16?AM UTC-7, John Larkin wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to avoid it, and broke my front end. Might have been better to just hit it.

The front wheel is shaking with squiring noise. Barely made it to the charger.

Waiting for AAA.
I avoid horrors like Van Ness and Diviz and Valencia and Market
Street. It\'s faster and much more pleasant to take some smaller side
streets whenever possible.

Van Ness was empty at 4am. Would have seen it earlier in daytime.

I go up Scott instead of Diviz to get to Kaiser, for example. Stop
signs cycles faster than traffic lights, and busses really slow things
down.

Electric cars are heavy. Maybe less maneuverabble than gas cars, and
there\'s more mass to damage suspensions when you hit a bump or even
turn hard.

It was too manurable. I hard turn to the right to avoid the anti-vehicle mine (watching too much RU/UA video), and pushing the left wheel sideway.. The lower control arm is bended (toe-in). The repair shop wants $700 to fix it. I asked him to just bend it back a bit. He won\'t.
What was the \"mine\"? A cardboard box?
Yes, around 2\' to 3\' box, right in the middle of the road .
It\'s self-correcting a bit and I can drive at 25MPH. My friend in Vegas can probably do it for less. That\'s what they do for wheel alignment anyway. I will have to drive to Vegas at 25MPH.
Drive to Vegas and back, at 25 MPH, to save a few hundred dollars?
1100 miles round trip, maybe 45 hours. On back roads, presumably.

Just kidding. If i can find a shop to pull the arm back a bit, i can probably do 45MPH on the way there and 60MPH coming back.

I also need them to work on the batteries, where it\'s almost impossible to find anyone locally.
 
On Monday, July 17, 2023 at 11:00:55 AM UTC-7, Bertrand Sindri wrote:
Ed Lee <edward....@gmail.com> wrote:
On Mon, 17 Jul 2023 05:43:41 -0700 (PDT), Eddy Lee
eddy7...@gmail.com> wrote:

Someone dropped a box there. I made a sharp swing to the right to
avoid it, and broke my front end. Might have been better to just
hit it.

It was too manurable. I hard turn to the right to avoid the
anti-vehicle mine (watching too much RU/UA video),
Moral of the story:

Don\'t watch RU/UA video while driving. Pay actual attention to your
*driving* while driving.

Was not watching, but war videos are deeply embedded in my mind.
 
Eddy Lee <eddy711lee@gmail.com> wrote:
Testing my expansion battery using
AC110V->DC168V-(/5)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.

What a waste. Assuming an optimistic 97% efficiency for each of your
conversion steps (an *very* optimistic assumption) then your five
conversion steps have wasted 15% of the incoming energy just in
conversion losses.
 
On Monday, July 17, 2023 at 11:14:41 AM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
Testing my expansion battery using
AC110V->DC168V-(/7)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.
What a waste. Assuming an optimistic 97% efficiency for each of your
conversion steps (an *very* optimistic assumption) then your five
conversion steps have wasted 15% of the incoming energy just in
conversion losses.

No. at least 99% overall. No energy loss with jumpers and toggle switches, one time energy loss in bi-stable relays. There are no passive components, but burn-out fuses sometime.

Furthermore, they are balanced at 12V or 16V level.
 
Ed Lee <edward.ming.lee@gmail.com> wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
The lower control arm is bended (toe-in). The repair shop wants
$700 to fix it. I asked him to just bend it back a bit. He
won\'t.

It\'s self-correcting a bit and I can drive at 25MPH. My friend in
Vegas can probably do it for less. That\'s what they do for wheel
alignment anyway.

If by \"That\'s what they do for wheel alignment anyway\" you are
referring to your \"asked him to bend [the control arm] back a bit\"
comment, then you are wildly misguided. Wheel alignment is not done by
\"bending the control arms\". All the necessary adjustments have
adjusters to allow an alignment to be performed. For toe that usually
takes the form of a threaded hollow pipe which can be turned to
lengthen/shorten the control arm and adjust the toe setting. If the
actual arm is bent, then not only is the integrity of the arm at
question, but the new length of the arm is probably beyond the
adjustment range of the threaded adjuster.

> Could have happened to any car.

Incorrect. Any car with such poor build quality that the driver can
damage steering linkages simply by performing only a hard snap turn on
a road at speed (and not hitting anything in the process) is so poorly
designed it should be scrapped instead of repaired.
 
On Monday, July 17, 2023 at 11:34:30 AM UTC-7, Bertrand Sindri wrote:
Ed Lee <edward....@gmail.com> wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
The lower control arm is bended (toe-in). The repair shop wants
$700 to fix it. I asked him to just bend it back a bit. He
won\'t.

It\'s self-correcting a bit and I can drive at 25MPH. My friend in
Vegas can probably do it for less. That\'s what they do for wheel
alignment anyway.
If by \"That\'s what they do for wheel alignment anyway\" you are
referring to your \"asked him to bend [the control arm] back a bit\"
comment, then you are wildly misguided. Wheel alignment is not done by
\"bending the control arms\". All the necessary adjustments have
adjusters to allow an alignment to be performed. For toe that usually
takes the form of a threaded hollow pipe which can be turned to
lengthen/shorten the control arm and adjust the toe setting. If the
actual arm is bent, then not only is the integrity of the arm at
question, but the new length of the arm is probably beyond the
adjustment range of the threaded adjuster.

OK, I can probably replace it with this $50 part, if I can borrow someone\'s garage.

https://www.ebay.com/itm/185861790871?fits=Model%3ALEAF%7CMake%3ANissan&hash=item2b4639dc97:g:lZUAAOSwoKxkP51J

Could have happened to any car.
Incorrect. Any car with such poor build quality that the driver can
damage steering linkages simply by performing only a hard snap turn on
a road at speed (and not hitting anything in the process) is so poorly
designed it should be scrapped instead of repaired.

Just cheap parts, but nothing to do with EV. Need stronger arms. Look like there are already two mounting holes for a re-enforcement bar, or just weld some in.
 
On Mon, 17 Jul 2023 18:34:21 GMT, Bertrand Sindri
<bertrand.sindri@yahoo.com> wrote:

Ed Lee <edward.ming.lee@gmail.com> wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
The lower control arm is bended (toe-in). The repair shop wants
$700 to fix it. I asked him to just bend it back a bit. He
won\'t.

It\'s self-correcting a bit and I can drive at 25MPH. My friend in
Vegas can probably do it for less. That\'s what they do for wheel
alignment anyway.

If by \"That\'s what they do for wheel alignment anyway\" you are
referring to your \"asked him to bend [the control arm] back a bit\"
comment, then you are wildly misguided. Wheel alignment is not done by
\"bending the control arms\". All the necessary adjustments have
adjusters to allow an alignment to be performed. For toe that usually
takes the form of a threaded hollow pipe which can be turned to
lengthen/shorten the control arm and adjust the toe setting. If the
actual arm is bent, then not only is the integrity of the arm at
question, but the new length of the arm is probably beyond the
adjustment range of the threaded adjuster.

Could have happened to any car.

Incorrect. Any car with such poor build quality that the driver can
damage steering linkages simply by performing only a hard snap turn on
a road at speed (and not hitting anything in the process) is so poorly
designed it should be scrapped instead of repaired.

Battery mass may factor in. It wouldn\'t be practical to limit steering
angle, but the battery mass may apply extreme forces to the suspension
in some conditions.

But yes, it sounds like a bad design.
 
Eddy Lee <eddy711lee@gmail.com> wrote:
On Monday, July 17, 2023 at 11:14:41 AM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
Testing my expansion battery using
AC110V->DC168V-(/7)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.
What a waste. Assuming an optimistic 97% efficiency for each of your
conversion steps (an *very* optimistic assumption) then your five
conversion steps have wasted 15% of the incoming energy just in
conversion losses.

No. at least 99% overall. No energy loss with jumpers and toggle
switches, one time energy loss in bi-stable relays. There are no passive
components, but burn-out fuses sometime.

How are you obtaining 99% overall with five conversion stages?

AC to DC entails rectification -- there will be some loss in the rectifier.

Then, how do you divide 168VDC by seven without any losses? Then how do you
double 24V to 48V without losses, then multiplying 48 by 8 without loss to
get 192V? And then how do you double the 192V to get 384V without loss?

> Furthermore, they are balanced at 12V or 16V level.

What does this statement even mean?
 
Eddy Lee <eddy711lee@gmail.com> wrote:
On Monday, July 17, 2023 at 11:34:30 AM UTC-7, Bertrand Sindri wrote:
Ed Lee <edward....@gmail.com> wrote:
On Mon, 17 Jul 2023 10:37:26 -0700 (PDT), Ed Lee
edward....@gmail.com> wrote:
The lower control arm is bended (toe-in). The repair shop wants
$700 to fix it. I asked him to just bend it back a bit. He
won\'t.

It\'s self-correcting a bit and I can drive at 25MPH. My friend in
Vegas can probably do it for less. That\'s what they do for wheel
alignment anyway.
If by \"That\'s what they do for wheel alignment anyway\" you are referring
to your \"asked him to bend [the control arm] back a bit\" comment, then
you are wildly misguided. Wheel alignment is not done by \"bending the
control arms\". All the necessary adjustments have adjusters to allow an
alignment to be performed. For toe that usually takes the form of a
threaded hollow pipe which can be turned to lengthen/shorten the control
arm and adjust the toe setting. If the actual arm is bent, then not only
is the integrity of the arm at question, but the new length of the arm is
probably beyond the adjustment range of the threaded adjuster.

OK, I can probably replace it with this $50 part, if I can borrow
someone\'s garage.

https://www.ebay.com/itm/185861790871?fits=Model%3ALEAF%7CMake%3ANissan&hash=item2b4639dc97:g:lZUAAOSwoKxkP51J

Could have happened to any car.

Incorrect. Any car with such poor build quality that the driver can
damage steering linkages simply by performing only a hard snap turn on a
road at speed (and not hitting anything in the process) is so poorly
designed it should be scrapped instead of repaired.

Just cheap parts, but nothing to do with EV.

I said nothing about EV. The phrase \"Any car\" encompasses all cars, EV or
otherwise.

> Need stronger arms.

Yes.

Look like there are already two mounting holes for a re-enforcement bar,
or just weld some in.

No, those look (from that picture) to be present as either moisture drain
holes, or as holes to use to mount something else (like a shock absorber) if
the same part is reused in a different model car (which is not uncommon,
parts reuse among models is often common).
 
On Monday, July 17, 2023 at 12:40:18 PM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
On Monday, July 17, 2023 at 11:14:41 AM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
Testing my expansion battery using
AC110V->DC168V-(/7)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.
What a waste. Assuming an optimistic 97% efficiency for each of your
conversion steps (an *very* optimistic assumption) then your five
conversion steps have wasted 15% of the incoming energy just in
conversion losses.

No. at least 99% overall. No energy loss with jumpers and toggle
switches, one time energy loss in bi-stable relays. There are no passive
components, but burn-out fuses sometime.
How are you obtaining 99% overall with five conversion stages..?

upshifting (in series) and downshifting (in parallel).

> AC to DC entails rectification -- there will be some loss in the rectifier.

OK, one stage loss, but inevitable in any converter.

> Then, how do you divide 168VDC by seven without any losses?

Shifting DC168V (in serial) to DC24V (in parallel).

Then how do you double 24V to 48V without losses, then multiplying 48 by 8 without loss to
get 192V? And then how do you double the 192V to get 384V without loss?

Again, standard serial/parallel shifting.

Furthermore, they are balanced at 12V or 16V level.
What does this statement even mean?

There are internal 3 stages BMS for the 12V module.
 
Eddy Lee <eddy711lee@gmail.com> wrote:
On Monday, July 17, 2023 at 12:40:18 PM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
On Monday, July 17, 2023 at 11:14:41 AM UTC-7, Bertrand Sindri wrote:
Eddy Lee <eddy7...@gmail.com> wrote:
Testing my expansion battery using
AC110V->DC168V-(/7)->DC24V-(x2)->DC48V-(x8)->DC192V-(x2)-> DC384V.
What a waste. Assuming an optimistic 97% efficiency for each of your
conversion steps (an *very* optimistic assumption) then your five
conversion steps have wasted 15% of the incoming energy just in
conversion losses.

No. at least 99% overall. No energy loss with jumpers and toggle
switches, one time energy loss in bi-stable relays. There are no
passive components, but burn-out fuses sometime.

How are you obtaining 99% overall with five conversion stages..?

upshifting (in series) and downshifting (in parallel).

Upshifting? Downshifting? Those works would make sense when
discussing an automotive transmission, but they make no sense
electricaly.

Do you mean you connect (connect is the right term here, not shift) the
batteries in serial and or in parallel for the voltage changes?

AC to DC entails rectification -- there will be some loss in the
rectifier.

OK, one stage loss, but inevitable in any converter.

Then, how do you divide 168VDC by seven without any losses?

Shifting DC168V (in serial) to DC24V (in parallel).

Again, wrong word. Do you mean you change from serial connected
batteries to parallel connected batteries?

Then how do you double 24V to 48V without losses, then multiplying
48 by 8 without loss to get 192V? And then how do you double the
192V to get 384V without loss?

Again, standard serial/parallel shifting.

There\'s nothing standard about your using the word \"shift\" in this
context.

Furthermore, they are balanced at 12V or 16V level.
What does this statement even mean?

There are internal 3 stages BMS for the 12V module.

What 12V module? In your long chain of conversions your lowest voltage
was 24V. Where do you get \"12V\" from?
 

Welcome to EDABoard.com

Sponsor

Back
Top