- EPA caught VW cheating - how does the car know it's being tested? - 15 Updates
- Tantalum Capacitors - 7 Updates
- Before it's put on a slow boat from China - 3 Updates
| Ed Pawlowski <esp@snet.net>: Sep 22 11:08PM -0400 On 9/22/2015 10:38 PM, Winston_Smith wrote: > I wonder, out loud, how many people inside of VW knew about this? > Do you think it was a small cadre? > Or basically everyone? In a corporation that size, even a small cadre could have been 20 to 50 engineers. Someone had to come up with the idea, design, build, test, and approve everything. The guys on the line installing would probably have no idea, just another part. Higher level in engineering would know. |
| Vic Smith <thismailautodeleted@comcast.net>: Sep 22 10:22PM -0500 On Wed, 23 Sep 2015 02:37:55 +0000 (UTC), Winston_Smith >"congressional" issue? >Isn't it simply that CARB & the EPA have procedures which are backed up >by force of law (admittedly, made by Congress), which VW broke? That was tongue and cheek. But a congressional committee can investigate a ham sandwich if they please. |
| "Bob F" <bobnospam@gmail.com>: Sep 22 09:01PM -0700 NoSpamForMe wrote: > resistance to push > against so the fuel system *should* lower the fuel flow. I'd expect > the same behavior if I was rolling down a mountain grade. Sheeeesh! Wow! Cluelessness at it's best! |
| "Bob F" <bobnospam@gmail.com>: Sep 22 09:26PM -0700 Bob F wrote: >> against so the fuel system *should* lower the fuel flow. I'd expect >> the same behavior if I was rolling down a mountain grade. Sheeeesh! > Wow! Cluelessness at it's best! Update 9/22: This morning VW announced that the cheating issue on diesel engines is much more vast than initially expected. The company admitted to cheating on 11 million diesel engines worldwide. |
| "Bob F" <bobnospam@gmail.com>: Sep 22 09:37PM -0700 > commit fraud and that some of them would spill the beans. I guess I'm > naive. > Eric I wouldn't be supprised to see the state refuse to re-license your car if the resulting recalls are not implemented. VW has created an unusual opportunity for punitive law enforcement activity. They deserve the maximum possible penalties. In my opinion, purchaser lawsuits should be strongly pursued, to be added to the maximum federal penalties allowable against VW. This kind of premeditated violation is completely unacceptable. |
| "Bob F" <bobnospam@gmail.com>: Sep 22 09:45PM -0700 . wrote: >> bad, but the outcry seems out of proportion given the routine >> misdeeds of the State. > What a goof! Really!! |
| "Bob F" <bobnospam@gmail.com>: Sep 22 09:56PM -0700 Tom Miller wrote: >> no legal or ethical requirements for people doing >> business. > Murder is illegal but people still do it. But the possibilty of real prison time will make them think before doing the crime. |
| "Bob F" <bobnospam@gmail.com>: Sep 22 10:02PM -0700 Ed Pawlowski wrote: > test, and approve everything. The guys on the line installing would > probably have no idea, just another part. Higher level in > engineering would know. And every one of them should experience serios prison time. |
| Ed Pawlowski <esp@snet.net>: Sep 23 01:03AM -0400 On 9/23/2015 12:56 AM, Bob F wrote: >> Murder is illegal but people still do it. > But the possibilty of real prison time will make them think before doing the > crime. But most criminals think they will never be caught so prison is little deterrent. |
| "Bob F" <bobnospam@gmail.com>: Sep 22 10:08PM -0700 Ed Pawlowski wrote: >> doing the crime. > But most criminals think they will never be caught so prison is little > deterrent. We'll see what they think after a few hundred VW employees do some serious prison time. I bet white collar crime would be a lot more affected by serious prosecutions than random murders. Maybe someday, we'll see it happen. This is not just a US crime. |
| Tony Hwang <dragon40@shaw.ca>: Sep 22 11:25PM -0600 Bob F wrote: > Update 9/22: This morning VW announced that the cheating issue on diesel engines > is much more vast than initially expected. The company admitted to cheating on > 11 million diesel engines worldwide. Wonder about MB and BMW Diesel vehicles. I was looking at MB GLK-250 Diesel version when news broke out. Considering Diesel vehicle for next new car purchase is on hold now. Also I am wondering about turbo charged small engines on almost every cars, Ecoboost, Skyactive...,etc. Crap. |
| "Dean Hoffman" <dh0496@windstream.net>: Sep 23 05:59AM -0500 > Diesel version when news broke out. Considering Diesel vehicle for next > new car purchase is on hold now. Also I am wondering about turbo charged > small engines on almost every cars, Ecoboost, Skyactive...,etc. Crap. I had a Mazda MX6 with a turbo. One was supposed to let the engine idle for a minute before shutting it off to let the turbo wind down. There might've been some cooling also. An oil reservoir above the turbo with a flow restrictor would've eliminated that requirement but that would've cost the manufacturer money. -- Using Opera's mail client: http://www.opera.com/mail/ |
| "Mayayana" <mayayana@invalid.nospam>: Sep 23 09:49AM -0400 | Update 9/22: This morning VW announced that the cheating issue on diesel engines | is much more vast than initially expected. The company admitted to cheating on | 11 million diesel engines worldwide. | I saw the NYT version of that. It casts the whole issue in a somewhat less extreme light. It turns out most of the cars are in Europe, where despite environmentalist idealism being high, regulations are light and testing is limited. So while their scam in the US seems to be pure idiocy, in Europe it comes across as something less extreme. A questionable way to increase gas mileage rather than an outright lie and illegal deception. Contemptible, but not necessarily guaranteed to be self-destructive, as it seems in the US. |
| kludge@panix.com (Scott Dorsey): Sep 23 09:48AM -0400 >Diesel version when news broke out. Considering Diesel vehicle for next >new car purchase is on hold now. Also I am wondering about turbo charged >small engines on almost every cars, Ecoboost, Skyactive...,etc. Crap. The MB and BMW diesels both use the exhaust fluid. That's not to say that they aren't cheating something somewhere in the control system, just that the main reason why VW cheated isn't an issue with the MB and BMW diesels. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
| "Steve W." <csr684@NOTyahoo.com>: Sep 23 09:52AM -0400 Winston_Smith wrote: > The audacious part is that we trusted them, just as you trust a house > guest, and they violated that trust, just as it would be as if a house > guest stole money out of your wallet. Actually the fuel mapping would be the reverse of that. Running rich on a diesel reduces NOx because the extra fuel cools the burn. Lean it out and create more heat and you get higher NOx. This is the reason why 99% of the VW owners bragged about getting better mpg numbers than the EPA tests as well. -- Steve W. |
| joe hey <joehey@mailinator.com>: Sep 23 04:18AM On Tue, 22 Sep 2015 17:55:51 -0700, Jeff Liebermann wrote: > that high voltage spikes were the culprit, not voltage slew rate. > Since these often appear together, I can see where there might be some > confusion. Tantalums have such a low HF resistance that it is sometimes recommended to put a current limiting resistor in series if there is a serious ripple voltage around. I've witnessed a lot of IGBT's being blown up because those resistors were failing. The voltage feeding the tantalums had such a large HF ripple due to the switching of the IGBT's that it blew the tantalums out of the control board, after which the IGBT's also went to pieces. joe > Judging by the age of the Korg, I would guess(tm) axial leads not SMT. > 100uf 10-16V From Digikey: > <http://www.digikey.com/product-search/en? pv13=67&pv63=19&pv63=11&pv63=449&pv63=489&pv69=80&FV=fff40002% 2Cfff80532&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25> |
| joe hey <joehey@mailinator.com>: Sep 23 04:20AM On Tue, 22 Sep 2015 19:02:33 -0700, John Larkin wrote: > voltages, with no overshoot spikes. It's dV/dT, namely peak current, > that can ignite tiny particles of tantalum, which then burn in the solid > MnO2 electrolyte. That's why in those cases a series resistor might be recommended in order to limit the current spikes. joe |
| mroberds@att.net: Sep 23 04:23AM >>>> <bitrex@de.lete.earthlink.net> wrote: >>>>> http://www.loscha.com/scans/Korg_MS2000_Service_Manual.pdf > What's with the 21 resistors between AGND and DGND? That's crazy. They're all marked "NU", which seems to mean Not Used. Other parts of that sheet have "NU" resistors in similar nonsensical places, like across the fuse or across the power switch. I suspect there are places for all of these resistors on the board, but they don't populate them at the factory except for test. Matt Roberds |
| rickman <gnuarm@gmail.com>: Sep 23 12:40AM -0400 On 9/23/2015 12:20 AM, joe hey wrote: >> MnO2 electrolyte. > That's why in those cases a series resistor might be recommended in order > to limit the current spikes. Add series resistance to a tantalum cap and you have just created an electrolytic replacement. -- Rick |
| Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au>: Sep 23 04:01PM +1000 On 23/09/2015 5:34 AM, bitrex wrote: > rattling around in the case. > I have little experience with tantalum capacitors. Any suggestions for > a more reliable replacement? **Tants are not unreliable. In fact, IME, they're more reliable than aluminium electros (not a scientific study though - just seat of the pants). They do not tolerate reverse Voltages particularly well though. Use another tantalum. Solid are best, but hard to find. -- Trevor Wilson www.rageaudio.com.au --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
| joe hey <joehey@mailinator.com>: Sep 23 11:06AM On Wed, 23 Sep 2015 00:40:00 -0400, rickman wrote: >> order to limit the current spikes. > Add series resistance to a tantalum cap and you have just created an > electrolytic replacement. Sorry, I forgot to mention to put the resistance in between the power line and the tantalum. joe |
| Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net>: Sep 23 09:31AM -0400 On 09/22/2015 06:18 PM, Syd Rumpo wrote: >> are good, and some come in a tantalum-like surface mount package. > +1 > Cheers Al polys can make voltage regulators oscillate. Tantalums have a nice middle-of-the-road ESR that makes 7800s happy. The ignition problem is quite real--see <http://electrooptical.net/www/sed/TantalumCapReforming_25272-what_a_cap_astrophe.pdf> Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net |
| Martin Riddle <martin_ridd@verizon.net>: Sep 22 08:35PM -0400 >in them. I thought I was done, listening test showed no output from one >tweeter, found bulging cap in crossover. Argh! > Mike Parts express <http://www.parts-express.com/27uf-100v-electrolytic-non-polarized-crossover-capacitor--027-326> Cheers |
| ehsjr <ehsjr@mverizon.net>: Sep 22 09:57PM -0400 On 9/22/2015 1:56 PM, amdx wrote: > looks like the original 1982, 10mm x 22mm capacitor. I may not get what > I want. > Thanks, Mikek Maybe very careful surgery of the old cap, stuff the new one inside the hollowed out old one to get the old "look"? Ed |
| amdx <nojunk@knology.net>: Sep 23 07:10AM -0500 On 9/22/2015 8:57 PM, ehsjr wrote: > new one inside the hollowed out old one to get the > old "look"? > Ed It actually split the plastic cover and doesn't look to good anymore. Mikek |
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