Questions tagged [electric-vehicle]

An electric vehicle (EV) uses one or more electric motors for propulsion.

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Is there any walkthrough material, or guide to set up solars on a Tesla to charge while driving?

I have found videos and full tutorials how to achieve solar charging with portable solar panels such that you could even non-temporarily affix to the top of the car, and charge when you stop (normally,...
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14 votes
5 answers
2k views

Factors Limiting EV Battery Acceptance Rate on DC Fast Chargers

There is a bunch of, relatively speaking, inexpensive EVs with 200-250 mile (320-400 kM) range -- e.g., the Kia Niro, Subaru Solterra, Volvo C40, and late model Nissan Leafs. All, in my experience ...
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Do electric cars have OBDII interfaces?

For passenger cars in the US, the OBD2 interface has been mandated for many years. The interface allows you to query a lot of car data from the computer using a scanner tool. The OBD2 system also sets ...
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PHEV Vehicule - What happens if you hit 0% battery?

Our Hyundai Ionic, when we do a lot of highway (with no charge opportunity), will sometimes go pretty low on battery, even while its been using fuel for a good while. Like we go down to 4%. My SO ...
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Fiat 500e charging EV discharged battery below "standard" charge level

I'm trying to revive Fiat 500e EV battery which is discharged after not using it for 3 months (second reason was bad 12V battery). I've disassembled whole battery pack below car and I have access to ...
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Honda BR-V v 1.5L Manual 2016 (India)

Does the Oil Life indicator function works on Honda BR-V v 1.5L (India) . If it works can you tell me the procedure how to bring Oil life indicator on its multi information display.
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Hyundai Ioniq charger: How does it deal with weather?

My carpark is open to elements so should I be worried by elements affecting my plug in cable? Like I would guess with rain it would be fine, but I'm in quebec so does it deal well with -30C ...
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Heatpipe in Motor shaft [closed]

I stumbled across this Tesla Patent for a Heatpipe in the electric motor's rotor shaft in order to get the Heat out of the Rotor. Does anyone know if Tesla is actually using this Technology in one of ...
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2 answers
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Fiat 500e 2017 charger

i just owned a Fiat 500e 2017 sport package... i wanted to make sure that the charger that come with it is the real original one and not imitative, as i saw charger with different style, how i can ...
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1 vote
2 answers
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I can’t set time at my fiat 500e 2017

I recently owned a fiat 500e 2017 sport package, unfortunately when i click on the menu button to change the time (set time) the option doesn’t exist at all it only shows the charging schedule, charge ...
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I have a 20Kg frame, What sort of motor will i need to rip it?

With the driver the total weight is roughly 80kg. Im trying to build a drift tricicle and was wondering what sort of motor i should be looking at. I Plan on having a 2:1 ration to double my torque. ...
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Should I worry about the battery performance when not using my Xiaomi M365 not being used for a long time?

Before SARS-CoV-2 hit the world, I use to regularly ride my electrical scooter (Xiaomi M365) for commuting. Due to the epidemic the country entered an emergency state and we are all forced to sit @ ...
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4 votes
1 answer
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Do electric cars corrode faster?

I am buying a new Peugeot e-208 (Full electric) and I noticed something strange in the contract: Peugeot warrants all its new cars for 12 years against corrosion, but for electric cars they reduce the ...
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3 votes
2 answers
158 views

How do electric car batteries cope with the car standing idle?

I usually drive low-mileage runs and could easily charge an electric car at home. But what happens when I go on holiday? I charge the car at home, drive to an airport, then leave the car in a car ...
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4 answers
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Question on Electric Vehicle speed control

I have a very limited knowledge on Automobiles. Now, Imagine a ICE car on a straight road at constant speed. Suppose the engine rpm is 1000. Suddenly the car has to climb a steep hill. Now the driver ...
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3 answers
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Why do Electric Vehicles have higher fuel efficiency at sub-highway speeds?

For consumer vehicles, it seems that most people understand that while conventional gasoline motors operate most efficiently at highway speeds, electric motors provide better mileage for "city" ...
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Any spare wheel/tire inside BMW i3?

Does BMW i3 has any spare wheel/tire in the car or in the trunk? If not, is there any recommended way to carry a spare wheel/tire inside the car? See related discussions here: https://www.mybmwi3....
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Recommended gasoline types for BMW i3 --- store gasolines to extend the range

What are the recommended gasoline types for BMW i3 2014 or BMW i3 2015? I search online for a while, but I am not sure what are the types of gasoline we can use for BMW i3 2014 or BMW i3 2015? Is it ...
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3 answers
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Why are high performance electric cars promoted as requiring no gearbox?

Why are high performance electric cars promoted as requiring no gearbox? Moreover, why don't they have gearboxes ("a gearbox" in this context implies a gearbox with multiple selectable gear ratios)? ...
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Maintenance Plugs

I was going through the FSAE International Rule-Book 2019 and encountered the term Tractive System Accumulator Container – Maintenance Plugs at section no. EV.3.3 I am actually a bit confused that ...
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-2 votes
1 answer
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Tractive System Measuring Point

What is meant by the term 'Measuring Points' when used in reference to the manufacturing of electric Formula Racing car. I googled and somehow got the sense that measuring points are certain terminals ...
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Park Break Cable Sensor

We are developing an autonomous vehicle as a university project. And we want to know if the parking brake cable is broken. I searched this on the internet. But I didn't find anything. Is there a ...
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2 votes
1 answer
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Assessing battery condition on an EV

I'm considering the purchase of a used EV (electric vehicle, with no backup internal combustion engine). From what I understand, the battery condition of an EV, and therefore its maximum range ...
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2 answers
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Is it plausible that 2000 kg of batteries are equivalent to 60 liters of gasoline?

Based on the energy per kg stored in a battery and gasoline; the efficiency of the electric and thermal engine and other factors, after some calculations I reached the conclusion that 60 liters of ...
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2 votes
1 answer
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What happens when an electric vehicle's battery die?

Common lithium ion batteries seem to have a life span of couple years. Does the same apply to EVs? If so, wouldn't it be costly to replace them (as they tend to be the most expensive part of the ...
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6 votes
10 answers
2k views

Batteries for electric vehicles commonly available much like gasoline [closed]

I mostly want to focus on the practical / mechanical perspective of this question. I have thought already many times on buying a small electric motorcycle for daily commute etc but i wouldn't min to ...
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Can you "warm up" an electric car in icy weather?

I'm in New England, and the latest snow/sleet/ice storm just left four inches. I did what I usually do with my two conventional gas cars: start them, move them to the street, clean off most of the ...
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1 vote
1 answer
310 views

What happens when one hugely exceeds towing capacity of an electric vehicle?

I've came across stunts with Tesla X towing huge weight: over 100 tons of muck and even a Boeing Dreamliner jet. I haven't found any clue as to one or the other video being rigged, so I assume the ...
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On Board Diagnostics-II for Electric Vehicles

I'm learning about OBDII, and I'm wondering whether it is valid on EV's too. According to Wikipedia's PIDs article, the Service 01 PID 51 (or Fuel Type) has a value 8 that means that the fuel type ...
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2015 Fiat 500e maintenance schedule - 15K mile interval OK?

I just bought a 2015 Fiat 500e (the electric version) with 25K miles. Before I bought it, the dealership had it fully serviced and inspected. I also had a pre-purchase inspection that showed no ...
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2 votes
4 answers
134 views

Why don't plug-in vehicles have multiple sockets?

I've noticed the majority of electric / PHEVs have charging points at the front or left side of the vehicle. Given the layout of my driveway, this is really inconvenient for me. I'd ideally like the ...
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Portable EV chargers with "normal" US/Can 230V plugs?

I've put in my down payment for my first EV, and now have two years to buy the add-ons while it arrives (yes, two years). My garage already has a 230V/100A pony panel, so I'm going to have a NEMA 14-...
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4 votes
0 answers
72 views

Use electric vehicle as a mobile power source

I have a mobile car-wash company and I want my guys to have a fully 220V (2000W-3000W) power outlet available to plug their vacuum cleaners into. I thought I could buy an electric vehicle to "...
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2 votes
1 answer
244 views

Zero Motorcycle - Remove Battery for winter?

I consider buying myself an electric Motorcycle. I really like the model Zero S and also the DS version. My Question now is, since I read that cold temperature isnt that good for the Battery over a ...
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3 votes
2 answers
403 views

Can I power standard household devices from an electric car?

While I was visiting a party at a remote location with no connection to the power grid there was a generator running to power a couple of lights after sun-down. The generator is noisy and stinks and ...
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Motor RPM given car speed, gear and wheel radius

Reading about Tesla cars I found that they can achieve 16000 RPM, single gear ratio 9.73:1 and differential ratio around 8.28:1, but... if I try to get RPM from car speed (max 200 km/h): RPM = car ...
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4 votes
1 answer
165 views

Will Tesla steer if autopilot is engaged but your hand are on the wheel? If so how much force is required to overcome autosteer?

I don't own a Tesla but I have read a lot about them. I know that there is an autosteer feature that allows the car to steer for you, but I also know that you need to constantly put your hands on the ...
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3 votes
2 answers
2k views

Can Zero motorcycles' batteries be charged independently by removing them first from the bike?

It seems the Tesla-equivalent in the motorcycle world is Zero (by looking at other questions), so I'll focus on this brand for this question (but feel free to correct me here). Can I charge a Zero ...
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1 vote
1 answer
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Increasing dead stroke of a hydraulic hand brake

This is a weird thing to want to do, but I want to know if there is a way to increase the dead stroke of a hydraulic handbrake for an electric moped. The dead stroke is the initial part of the lever ...
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1 vote
0 answers
47 views

Has anybody converted a bus from diesel drive to electric drive (hybrid) converting the old engine into a generator?

I am aware that the vehicle will increase weight and that older engines must be modified to operate with less harmful impact to the ambient. I rather wonder about the accompanying effects and ...
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3 votes
3 answers
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Explaining why electrical and hybrid cars always have automatic transmission

I am trying to understand if or why electrical and hybrid cars always have automatic transmissions. I know that a conventional petrol/diesel engine only have a small effective torque range, so you ...
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2 answers
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School bus conversion to Electric [closed]

I would like to start with a new project to convert a conventional school bus (approx 50 seater) to electric. The idea being that most School buses in my region are diesel which is ofcourse going to ...
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5 votes
2 answers
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In an electric vehicle, do you need to come to a complete stop before switching to low gear?

I recently got a 2016 Ford Focus Electric. Before that, I was driving a 1996 Toyota Camry Wagon. I've been told many times that one needs to come to a complete stop before changing gears or else ...
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5 votes
5 answers
5k views

Can you pushstart a hybrid / fully electric car?

I'm fairly new to mechanics and was wondering: Let's say you have a hybrid car and the battery is dead. Can you pushstart this vehicle? The same question goes for a fully electric car, however I'm ...
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Do I need to take an electric vehicle to a specialist repair shop?

I am pondering getting an electric vehicle (a VW e-Golf, which is strongly rooted in the Golf "platform", just swapping the motor), and one issue amongst many is how to proceed with the maintenance. I ...
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4 votes
2 answers
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Speed limiter on Chevrolet Bolt

I recently got a Chevy Bolt and I found out that it evidently is speed limited to 91 mph. There's just one problem: I see no mention of the limit except in two places: in the car itself (it stops ...
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8 votes
3 answers
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Can electric cars do *dynamic* (heat waste) braking?

Imagine you drove your (pure) electric car to a very high mountain resort. It took 3 full battery charges to get up here, but by golly, you did it. And you plugged in, so battery is topped up now. ...
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1 vote
1 answer
78 views

Push button when LED comes on

I have a button in my Electric car, with a small LED in it. By default when I turn on the car, the LED in the button lights up. Pushing the button turns the LED and the Fake engine noise OFF. The ...
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4 votes
1 answer
298 views

Is it harmful to hill-hold electric car with accelerator pedal?

I have a partially electric car, a 2016 Toyota RAV4 hybrid. I have noted there are two ways I can hold the car on a hill at standstill. I can either press the brake pedal (after releasing it, there's ...
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2 votes
2 answers
118 views

Is a gas car as sensitive to terrain as an electric?

Since I started driving a plug-in hybrid with a 50 mile electric range I've become sensitive to things that affect my 50 miles. For instance, when it's below about 40 degrees out I lose up to 25% of ...
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