sbradford26

27 ms·

61.
by sbradford26 4y ago
So the car I am most interested in is the Ioniq 5 which is rated at a 10-80% charge time of 18 minutes. Sure it is not a completely full battery but largely that isn't necessary. But I think the major issue is that technology advanceme
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by sbradford26 4y ago
So I think a part that is forgotten about with battery swap station is that those batteries still need to be charged. Which gets into how many additional batteries does each station need stored to be able to keep up with demand. If it takes
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by sbradford26 4y ago
It is his car so I let him do what he wants. I just make sure my mom sets the temperature and leaves it in her hybrid since setting it to max temperature and such causes it to get significantly worse fuel economy.
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by sbradford26 4y ago
Yeah I think if manufacturers do a good job you don't really have to adjust the temperature often. But also it is also a learning curve for some people. My dad has a brand new F150 that he is always adjusting the temperature up and dow
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by sbradford26 4y ago
I have had several cars with automatic temperature control and there is a lot of variability in the quality of the systems. My 06 F150 the system was terrible always having to adjust the temp up and down, but my 07 BMW X3 I set the temperat
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by sbradford26 4y ago
The Ford Maverick has pretty much all physical controls, but still supports Android Auto and Apple Carplay. They are pretty difficult to get though at the moment.
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by sbradford26 4y ago
Yeah... your typical aircraft is not reaching Mach 20 where a hole would cause high temperatures leading to structural failure. Concerns about balloons and such can be valid but a comparison to Columbia is a big stretch.
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by sbradford26 4y ago
So Hydrogen's perk would be quicker fueling but I don't know how many people are going to be willing to pay the fairly large additional cost for that convenience. Toyota Mirai: Tank Size: 5.6 kg of hydrogen Cost per kg of hydrogen
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by sbradford26 4y ago
I believe this stems from a paper that came out about how some large percentage of PHEVs never plugged in. The large caveat was that a large amount of that data was from company vehicles for employees. Which those employees have very little
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by sbradford26 4y ago
I lived out in the country and our neighbor down the road got several goats. Every day I would drive past and he would have 3 goats on top of his Subaru outback. He built a new barn to park the car in because he got tired of the dents.
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by sbradford26 4y ago
Forced air doesn't remove humidity from the air either. Humidity is lost through air leakage in homes. Since the air outside had less absolute humidity in the air then humidity will drop due to air leakage. Most measurements of humidit
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by sbradford26 4y ago
They make systems like that but they tend to be more commercial systems. You could get a ground to water heat pump then run chilled/heated water to the mini split heads depending on what they are calling for but even that is pushing in
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by sbradford26 4y ago
I also live in NE and we recently installed a mixed system. We have mini split units in the upstairs and a ducted air handler in the basement all attached to a cold weather heat pump outside. It has be working great for us so far, but we ha
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by sbradford26 4y ago
So heat pumps do lose efficiency at lower temperature such as -13F but the much bigger issues is loss of capacity. If you look at the curve of available heating capacity of a heat pump versus the heating needs for your house that tend to be
75.
by sbradford26 4y ago
So the term efficiency with heat pumps typically refers to COP Coefficient of Performance. It a measure of how many watts of heat you are able to pump per given watt of electricity used. So 400% would be a COP of 4.0 which is definitely pos
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by sbradford26 4y ago
There are many reasons why you can't just circulate cold water though a radiator to cool. As another commenter stated you will get large amounts of condensation. But the other reason is that you do not get nearly as effective of convec
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by sbradford26 4y ago
Ground source/geothermal would significantly reduce your heating costs but it would be significantly more than 10k. For that large of house something like 40k+ wouldn't be out of the question, with the largest expense being drilli
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by sbradford26 4y ago
So largely I think the confusion stems from there being two major different "types" of heat pumps and they perform very differently. The first is your conventional type system, this is usually what AC units are in the US. They run
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by sbradford26 4y ago
So CO2 heatpumps are starting to become available in the US which can run higher temperatures. But most likely the best option would be to switch to radiators that don't require as high of temperature to operate. Something like underfl
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by sbradford26 4y ago
Those prices are just generic prices that you fill out with current prices. I have no idea on the validity of any of the prices filled in by default there, but I assume it is prices that whoever made the site many years ago had in their are
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by sbradford26 4y ago
I know it is sarcastic but there is a website where you can calculate how much it would cost to heat with dollar bills. https://coalpail.com/fuel-comparison-calculator-home-heating
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by sbradford26 4y ago
We are in southern NH and have a single LG LMU480HHV for our house. Our house was built in 1973 and is ~1600 sq ft. The heat pump kept the house right at 64-65F when set to 66F through the night even when we hit -15F. Now I have backup heat
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by sbradford26 4y ago
So many people will say that but even at -13F the LG Red heat pump I have is rated for a COP of ~2. Which means it is still twice as efficient as a resistive space heater. Now capacity does fall off and that can cause issues since heating d
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by sbradford26 4y ago
Yeah Lutron Caseta dimmers can connect a hub while not needing a neutral. They also can be linked to wireless remotes without need internet access. It is a good balance of smart switches and functionality without smart features.
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by sbradford26 4y ago
I don't think most people truly appreciate how difficult hydrogen is to work with. It is nothing like fossil fuels which can happily sit in a regular tank for extended periods of time and be fine.
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by sbradford26 4y ago
I don't deny that EVs have issues that we will have to solve like recycling and reducing the amount of rare earth metals in them. But just saying Hydrogen fixes that glosses over the massive amount of problems that needs to be solved f
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by sbradford26 4y ago
It depends on the type of natural gas plant. Some of them are designed for efficiency which takes longer to spin up and down while some are peaker plants which can spin up in a matter of seconds/minutes.
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by sbradford26 4y ago
I also grew up in the Midwest and was just visiting home over Christmas. Groceries and other commodities seem to be similar prices, but everything else felt so cheap.
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by sbradford26 4y ago
Yeah the main relationship that matters is the breaker to wire. There is a fun semi related thing. Can you put 15 amp outlets on a 20 amp circuit? The answer is yes you can, but only if there is at least two receptacles, and a standard dupl
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by sbradford26 4y ago
That is pretty brutal on the cost. We live north of Boston is a decently high cost of living area but nowhere near California. I got the our main panel upgraded from 100 amp to 200 amp, the mast and meter socket replaced, and 4 new outlets

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