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"Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
news:1ZydnQreSco_dr_XnZ2dnUVZ_g5i4p2d@earthlink.com...
|
| Nate Nagel wrote:
|
| > Having had to have the DME (Porsche-speak for ECM) on my 944 completely
| > resoldered a few years ago to allow the car to run reliably, I am amused
| > by your post... I guess Bosch is not the end-all be-all of reliable
| > electronics manufacturing.
|
|
| Are you sure they aren't using Lucas?
|
Old joke:
Q: Why do the English drink warm beer?
A: They have Lucas refigerators.
Marketing. I saw a washing machine that was advertised as havingWell when you get right down to it, why does it need circuitry at all?
It's a motor and a heat element.
I'd have thought getting the cycle to within 10% would be more thanCheaper still requires oscillators regulated by component tolerances -
and oscillators tend to have at least two components affecting frequency,
and finest tolerance of ones easily available at premium prices is 1%,
meaning low chance of achieving timing highly reliably better than 2% in
either direction unless either crystal or power line time base is used.
No, because time and Tide wait for no man.Don Klipstein wrote:
Cheaper still requires oscillators regulated by component tolerances
- and oscillators tend to have at least two components affecting
frequency, and finest tolerance of ones easily available at premium
prices is 1%, meaning low chance of achieving timing highly reliably
better than 2% in either direction unless either crystal or power line
time base is used.
I'd have thought getting the cycle to within 10% would be more than
adequate.
Sylvia.
Crystals aren't that good unless especially good and inSteve Barker wrote:
Well when you get right down to it, why does it need circuitry at all?
It's a motor and a heat element.
Marketing. I saw a washing machine that was advertised as having
"crystal control". Presumably, it timed its wash cycles to one part in
10^9.
brassplyer wrote:
For as many years as this technology has been around, why can't the
control circuitry be made more bulletproof?
Well when you get right down to it, why does it need circuitry at all?
If the washer has an automatic detergent dispenser, the Tide needn't wait.I'd have thought getting the cycle to within 10%
would be more than adequate.
No, because time and Tide wait for no man.
The EU has made it less bullettproof by insisting on lead-free solder. ItI see these newer dryers and front-load washers have what I assume to
be some kind of IC control circuitry and from what I've seen my
suspicions about this being a likely point of failure appear to be
correct. LG warranties the motor for 10 years but the circuit board
only for 2. I'm betting it's expensive to replace too.
For as many years as this technology has been around, why can't the
control circuitry be made more bulletproof?
I'd have thought getting the cycle to within 10%
would be more than adequate.
No, because time and Tide wait for no man.
If the washer has an automatic detergent dispenser, the Tide needn't wait.
I`m alergic to Tide, Daz is ok tho ;^)
Do you mean Duz?I`m alergic to Tide, Daz is ok tho ;^)
I`m alergic to Tide, Daz is ok tho ;^)
Do you mean Duz?
No, I meant Daz
Hell, you can swap daughters for appliances. ;^)Ulysses wrote:
"William Sommerwerck" <grizzledgeezer@comcast.net> wrote in message
news:gvtuo8$ad8$1@news.eternal-september.org...
The obvious solution to this problem is to buy laundry equipment with
conventional electro-mechanical controls. (Assuming they're still made.)
My
GE washer and dryer are over 10 years old, and I expect them to last at
least another 15.
I recently saw on Craig's List one Whirlpool/Kenmore direct-drive top load
washer for free that said it needed a new clutch. I saw another one for
free that said it needed a new motor. Either of these are easy repairs on a
direct-drive. If I had room to store them I would have gotten them for my
daughters (if they ever move out).
If you collect enough of them, your daughters will HAVE to move out!
;-)
Lord of Darkness?Nate Nagel wrote:
Having had to have the DME (Porsche-speak for ECM) on my 944 completely
resoldered a few years ago to allow the car to run reliably, I am amused
by your post... I guess Bosch is not the end-all be-all of reliable
electronics manufacturing.
Are you sure they aren't using Lucas?
Jeez. I haven't run into that one in person, but it wouldn't surpriseSteve Barker wrote:
Well when you get right down to it, why does it need circuitry at all?
It's a motor and a heat element.
Marketing. I saw a washing machine that was advertised as having
"crystal control". Presumably, it timed its wash cycles to one part in
10^9.
A washing machine could be out by 20% or more without causing a problem.In article <0068d8a4$0$24236$c3e8da3@news.astraweb.com>, Sylvia Else wrote:
Steve Barker wrote:
Well when you get right down to it, why does it need circuitry at all?
It's a motor and a heat element.
Marketing. I saw a washing machine that was advertised as having
"crystal control". Presumably, it timed its wash cycles to one part in
10^9.
Crystals aren't that good unless especially good and in
temperatrure-controlled ovens. I would hope for one part in 10^6 to one
part in 10^7 or so.
It would be. Washing machines used to use synchronous motors driving aDon Klipstein wrote:
Cheaper still requires oscillators regulated by component tolerances
- and oscillators tend to have at least two components affecting
frequency, and finest tolerance of ones easily available at premium
prices is 1%, meaning low chance of achieving timing highly reliably
better than 2% in either direction unless either crystal or power line
time base is used.
I'd have thought getting the cycle to within 10% would be more than
adequate.
*groan*Sylvia Else wrote:
Don Klipstein wrote:
Cheaper still requires oscillators regulated by component
tolerances - and oscillators tend to have at least two components
affecting frequency, and finest tolerance of ones easily available at
premium prices is 1%, meaning low chance of achieving timing highly
reliably better than 2% in either direction unless either crystal or
power line time base is used.
I'd have thought getting the cycle to within 10% would be more than
adequate.
Sylvia.
No, because time and Tide wait for no man.
They are, but they last forever. Buy one, & you'll never need to buyOn May 31, 3:45 pm, Steve Barker <ichasetra...@hotmail.com> wrote:
brassplyer wrote:
For as many years as this technology has been around, why can't the
control circuitry be made more bulletproof?
Well when you get right down to it, why does it need circuitry at all?
They all appear to have various bells & whistles - specific setting
for various fabrics, variable speed this, sensor something or other
that, various lights, LED time remaining readout etc. etc
In contrast, the Speed Queen front load units at the laundromat have
about 4 buttons for different temps and that's it - a mechanical
pointer gauge indicates approximately where it is in the cycle. It
might adjust the water level depending on the load size but I can't
say for sure. If there's a front loader made in a similar barebones
way for the home market I haven't seen one at Home Depot or Lowes.
You'd think there would be a market for it. I assume those commercial
units are expensive.
Failure of mechanical timers on appliances is VERY common, and usuallySylvia Else wrote:
Don Klipstein wrote:
Cheaper still requires oscillators regulated by component tolerances
- and oscillators tend to have at least two components affecting
frequency, and finest tolerance of ones easily available at premium
prices is 1%, meaning low chance of achieving timing highly reliably
better than 2% in either direction unless either crystal or power line
time base is used.
I'd have thought getting the cycle to within 10% would be more than
adequate.
It would be. Washing machines used to use synchronous motors driving a
cam, which was far more accurate than necessary to do the job properly.
Reminds me of DVM's with 3 1/2 digit readouts and 1% accuracy. The lastSylvia Else wrote:
Steve Barker wrote:
Well when you get right down to it, why does it need circuitry at all?
It's a motor and a heat element.
Marketing. I saw a washing machine that was advertised as having
"crystal control". Presumably, it timed its wash cycles to one part in
10^9.
Jeez. I haven't run into that one in person, but it wouldn't surprise
me. The current craze for insane amounts of megapixels in digicams with
toy lenses is a very similar problem.