Jump to content

ply33

Members
  • Content Count

    4,162
  • Joined

  • Last visited

Everything posted by ply33

  1. It had never occurred to me to check the vehicle requirements for the driving test to see if they were different from the equipment requirements for having the car on the road. Turns out they are slightly more restrictive for the driving test. Thanks for getting me to look it up! Apparently seat belts are only required if “if the vehicle was manufactured with safety belts”. The requirement for two mirrors is actually in the equipment section of the motor vehicle code for all cars so that should be met by any street legal car. Looks like the only requirements hard for a stock older
  2. I know nothing specific to this incident other than what I read in the news. And the last time I had any technical dealings with SCADA or SS-7 was in the 1990s and one hopes things have changed a bit since then. That said, the networks that control industrial processes (SCADA) or route phone calls (SS-7) were developed back in the utopian days of networking when it was assumed that everything on the network could be trusted. They were assumed to be closed networks where all the elements were from trusted vendors, etc. and no significant security or authentication was designed in.
  3. If it is the same pump as on Plymouth (original Chrysler part number of 1064750), then as @JFranklin noted, NAPA should be able to get you a new one.
  4. Near as I can tell, service cut offs due to demand exceeding supply or potential wild land fire issues is being done at the grid distribution level not at the individual customer meter level. The state and utilities have programs were larger users of electricity can either voluntarily or automatically have their use reduced or turned off. All the programs I have heard about work by incentives (lower electrical charges) rather than being forced on anyone. 5G has been implemented and is being rolled out by T-Mobile, Verizon and ATT. Not sure about in the US, but there has been push b
  5. Source for this? I was in the PG&E service area when they swapped out the meters and there were complaints about higher bills due to higher readings. Near as I can tell, while some of those were due to faulty units from one supplier, many were due to the old meters being out of calibration and reading low. There was no change in power readings for my house nor for anyone I knew. I am currently in the SDG&E service area and I have not heard or read about problems with smart meters here. When I do a web search the more authoritative sources listing pro
  6. Current efficient EVs get around 4 miles/kWh. The boxier compact SUV designs seem to be between 2.5 and 3.5 miles/kWh. No doubt the soon to be introduced pickups will be much worse. But taking 3 miles/kWh as a guess at average and going off the US average miles/year for a car of a bit under 12,000 miles you get 334 kWh/mo.
  7. In the beach resort town that I live in there are lots of neighborhood electric vehicles (NEV) and repurposed golf carts (mostly but not entirely electric) that are on the roads. Some have license plates on them, most don’t. Many are being driven by children, or at least individuals who look like children too young for a driver’s license to my aged eyes. Apparently if electric they are classified as “low speed vehicles" (LSV) and many states have specific rules for them. Looking at my state’s motor vehicle code, they can only be driven on roads with speed limits at or below 35 MPH
  8. That is one thing I don’t like about DC fast charging for EVs: Needing to have an account with a charging network or with multiple charging networks. I am not sure, but it seems that you might be able to use a credit or debit card to charge on some networks but it looks like the price is significantly higher than if you have an account so if you do much road tripping you will need an account with one or more networks like Electrify America, Charge Point, EVgo, Tesla, etc. So as you write “signing up with Electrify America is also pretty much a given.” But it shouldn’t have to be.
  9. The way young/new scientists make their mark is by looking for and, they hope, finding discrepancies between existing theory and experimental/observational data then coming up with a better theory that explains everything explained by the old theory and the newly noted discrepancies. Because of that, you will always be able to find a scientist who doesn’t agree with the current consensus. In addition, people making big money on the status quo typically fund people for research to back the status quo. So you will never have 100% of the scientists in a field agree and there will be loud arguing
  10. I have no first hand knowledge of the Volt but I have owned three different generations of the Prius and can tell you that 9 MPG is impossibly low if the car is anything close to being maintained. I do volunteer work on the top of a mountain that is over 8,000 ft high. On any of the Prius cars I've owned if I fill the tank at the bottom of the grade (about 1,500 ft elevation) I get between 30 and 35 MPG getting to the top. The trip back down is basically free (hybrid logic keeps the engine off nearly all the time) so the round trip is between 40 MPG (2001 vintage “first generation”
  11. Page 146 of my facsimile copy of the 1931 Chilton Automotive Multi-Guide itemizes the 'Cost of Operation of an Imaginary ”Average” Automobile' with an annual mileage of 11,000. My assumption from that is the average automobile traveled 11,000 miles a year in that era. That is not all that different from today’s average of about 11,500 miles.
  12. $20 is extremely low. . . I thought our electrical was pretty low with high efficiency lights that are mostly off anyway but between an electric oven, dishwasher, clothes washer, etc. and even sometimes an air compressor in the garage, we are a bit above that. Mind telling us what your utility charges in $/kWh?
  13. And that whole area is full of great roads for touring around with an antique car. Did that a lot when we lived in Sunnyvale.
  14. Note: I don’t currently own a battery EV. I do however own a plug-in hybrid which is more than happy with a 120v outlet for charging. And I charge it after midnight when my time of use electrical costs drop. But I have been researching EVs which has led me to all sorts of information I was ignorant of before I started looking. And based on the comments and questions I see on these EV related thread a lot of my previous misconceptions are shared by others here. The problem of time based loads (AC during afternoon and evening, EV charging when people get home, etc.) is
  15. I have to say that @Dave Gelinas (XP-300) has been posting a lot of incredibly good photos! Thanks!
  16. Hmmm. My 3.6 kW solar array was put in service a little over a month ago. My peak day so far has been 26 kWh and the days are shorter now than they will be in the middle of summer. Granted I am at the mid-30s in latitude in a generally sunny area and will do better with solar energy than someone further north, but I think your estimate of output from roof top solar is a bit low. An efficient spark ignition internal combustion engine peaks out at 40% efficiency in converting chemical energy to mechanical and that is at a vary narrow band of RPM and throttle positions. Overall effici
  17. There are lots of conflicting news reports on this. At least one I saw quoted the fire chief as saying that it only took a few minutes to put the fire out. Others are given the multiple hours figure. Which is it? I don’t know. Local police are saying they are very sure there was no one in the driver's seat when the accident happened. Yet Musk is claiming that the "auto pilot" was off implying there must have been a driver. It is unclear, at least to me, if Musk/Tesla knows that from telemetry from the car before the crash or based on the road design being one the auto pilot was not
  18. On peak sun days there is a bit over 1 kW/sq meter of solar energy hitting the ground. Less in winter, less when hazy, etc. Typical good solar hours where you actually get that 1 kWh/sq. meter number about 5 in a day where I am (sunny SoCal) in summer. Likely half that in winter. And a lot less if you live in a northern state. Current high end production solar photovoltaic panels are between 20% and 25% efficient. I am guessing the top surface of the car usable or solar cells is about 3 square meters. (A quick measurement of my daily driver gives me 2.7 sq. meters of roof and
  19. Since the “crossover SUV” segment is the hottest car segment world wide that isn’t too surprising.
  20. The grill is held onto the radiator shell via some tabs on the shell that are bent over to hold the grill. Those tabs were not designed to be flexed more than once and are easily broken. The shell with grill is held onto the radiator via some screws that hide under the anti-squeak canvas band (the canvas band is held on loosely enough with split rivets that you can push it aside to get to the screws). I don't recall much if any adjustment between the shell and the radiator. But the radiator top position can be adjusted by the fasteners on the stabilization rods that go
  21. ply33

    GAS MILAGE

    14 MPG to maybe 20 MPG was so typical of US built cars from about 1930 to 1980 that I am pretty sure that was the design target. For any given level of technology there is a trade off between power and economy. I strongly suspect that Detroit decided that 15 or so MPG was “good enough” and that any improvements in engine technology would be used for higher acceleration, greater speed or hauling around a bigger, heavier vehicle, etc. rather than to improve fuel economy. No proof of this, it just seems a plausible explanation for the seeming stagnation of American car fuel economy fo
  22. I think it was in the 90s. . . I recall the Forest Service having to either modify or replace the three wheel ATVs they used for accessing the off-highway vehicle recreation trails in the district. But other countries probably have different rules and it would not surprise me if there are places where three wheel ATVs are still being sold.
  23. I thought so but wasn't sure as that road was only reopened a few months ago and I haven't been on the section between Rancho Capistrano and the Tenaja Falls trailhead. It was closed for years to allow some burned areas to heal. The upper section is called South Main Divide road and the lower part is Cleveland Forest road. Not sure where the name changes from one to the other but think it is at the gate by the Tenaja Falls trailhead. For what it is worth, I've helped with trail maintenance on the Tenaja Falls trail. Hand tools only as it is a designated wilderness area.
  24. I can’t say for other Chrysler makes, but Plymouth started having automatic spark advance with the 1931 PA models. I believe the 1931 & 32 used a vacuum advance only. 1933 and, I think, 1934 were centrifugal advance only. And 1935 with “perfected ignition” used both vacuum and centrifugal. Not sure why you care if the car has both vacuum and centrifugal. I know the 1933 and 34 (and strongly suspect the 1931 & 32) don’t have a spark advance lever you have to worry about. If you are looking for other modern features, the big change was the 1933 model year. It was
  25. What road(s) were you on in the Cleveland National Forest?
×
×
  • Create New...