Electronics > Power & Renewable Energy

Electric Car Experiences

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SilverSolder:

--- Quote from: nctnico on October 19, 2020, 10:20:28 pm ---
--- Quote from: SilverSolder on October 17, 2020, 03:16:06 pm ---
--- Quote from: DougSpindler on October 17, 2020, 05:14:47 am ---Ah the good old days of gross polluting winning would of a 2-stroke engine.  I think there’s a reason we moved on from that technology.

--- End quote ---

Yep, but you can't beat the sound effects!  :D

Two strokes are still used in some applications - chain saws, leaf blowers, strimmers, etc. - it's going to be hard to dislodge them from that last stronghold, nothing beats their power-to-weight ratio!

--- End quote ---
Larger diesel engines (as found on ships) are also 2 stroke. But yes, chains saws and strimmer should be electrified. Leaf blowers are the worst invention ever. What about the good old broom?

--- End quote ---

A broom?  -  ...it already takes me two hours to clear the leaves on a bad day - using 2 different leaf blowers, one of them a 5hp 4 stroke on wheels, the other a 2 stroke hand-held.  It would take a whole weekend to do that with a broom, if not more! 

I have to fill the fuel tank twice on the handheld to finish the job...  Electric versions of these tools are not really viable once the size of the job gets to a certain level, with unrealistically long and heavy gauge extension cords, or short-lived batteries.

I would love a fusion powered electric version though, to do the whole thing in 5 minutes!  :D

tautech:

--- Quote from: DougSpindler on October 20, 2020, 02:18:31 pm ---But there’s a difference between home owners cutting tree branches/hedges ever so often vs. someone who does it for 8 hour every day.  I can’t see someone who cuts trees professionally using a battery chainsaw.

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Certainly not for clear felling or skid duties but the tree climbing arborists are embracing battery powered saws.

New brushless motors with their lightweight and efficiencies are opening up a whole list of new use cases.

No air filters, no fuel filters, no recoil starter, fuel and/or contamination issues, spark ignition/plug problems and low noise.
What's not to like ?

SilverSolder:

--- Quote from: tautech on October 20, 2020, 07:51:29 pm ---
--- Quote from: DougSpindler on October 20, 2020, 02:18:31 pm ---But there’s a difference between home owners cutting tree branches/hedges ever so often vs. someone who does it for 8 hour every day.  I can’t see someone who cuts trees professionally using a battery chainsaw.

--- End quote ---
Certainly not for clear felling or skid duties but the tree climbing arborists are embracing battery powered saws.

New brushless motors with their lightweight and efficiencies are opening up a whole list of new use cases.

No air filters, no fuel filters, no recoil starter, fuel and/or contamination issues, spark ignition/plug problems and low noise.
What's not to like ?

--- End quote ---

Apart from having to keep them charged, battery aging is the worst problem, in my experience.  All my battery powered electric tools have died from that cause, and they had a long drawn out period of low performance before dying completely.  The replacement batteries are so expensive that they are just not worth it, just another assault on your wallet by some cheesy MBA.

So, I have gone back to "old school" corded equipment for all electric tools.  They generally last decades and are always "charged".  -  For the garden, I live with the fact that petrol engines have to be maintained occasionally - and in fairness, it is pretty rare that any of my 5 ICE powered outdoor tools misbehave. What works for me is to always add fuel stabilizer to the jerry can when buying fresh petrol - that stuff really works, I never encounter gummed carbs etc. any more, unlike the "bad old days".

DougSpindler:
That’s the issue with battery powered tools.

CZroe:
First generation Volt here and charging has suddenly become a HUGE issue after an EF-4 tornado displaced us to a home with no driveway, thus no charging. Further compounding this, the pipeline hack made gas prices double while the 2013 Volt takes Premium too.

Actually, it is my brother’s car since my own was carried off by the tornado before getting crushed under a tree. We are relying on his car more than ever and yet it’s harder than ever to keep it charged. Luckily the temporary home is only 0.6 miles (1 kilometer) from a public charger at City Hall but we’ve already got nastygrams from people complaining that we hog it and it’s only available after business hours. Also, even that short trip often adds up to hours spent walking each day when we definitely don’t have that time to spare. :(

I had to spend my car insurance check on medical bills for a tornado injury so I couldn’t afford another and had to get an electric kick scooter to get my brother to and from the public chargers. He just puts the car on charge, pulls the folding scooter out of the hatch, then scoots home. When the car’s charged he scoots back at up to 18.6 miles per hour (30KPH). The range and relative speed compared to walking enables him to use more chargers, further away. For example, there is a free public charger at a nearby park about twice as far with the opposite schedule from the one at City Hall (better get your car before the gates close at night!). There is another at a nearby aluminum extrusion plant that seems to be totally free and always available. When I have the car I might park it across the road from work where you can charge at Target free for the first two hours, then I will scoot back over and get it on my break.

What I recently realized is that the range and affordability of eBikes and eScooters means that a lot of people will be buying these instead of an electric car or truck. For some, a gas vehicle becomes a secondary utility vehicle like you might treat a pickup truck or a minivan that isn’t always needed and often stays parked until you occasionally need it (rain, groceries, etc). Indeed, their respective markets have embraced electric faster than cars or motorcycles that try to be too much. All you really need is wheels, a motor, battery, controls, and a place to fit the rider. Adding enough to make it a full-fledged motorcycle, car, or truck, ends up making it expensive and compares badly in some ways to traditional motorcycles, cars, and trucks (refueling infrastructure, for one).

This “Fortnine” guy gets it:
https://youtu.be/O2zlYpy6QCM

Now, that isn’t to say I haven’t struggled with it. It broke down on me the very second time I needed to commute all the way home from work and it was under a month old. Also, I had extreme tire wear with nearly no tread left on the front tire even though the back tire looks new... and the back is the one that you literally rub the tread to stop! I also developed a stem wobble that I had to fix.

The breakdown was caused by a bad connection with the external battery pack. I couldn’t find my tools after the tornado to it took several days but I cleaned the connection from the black carbon/oxidation, added dielectric grease, and it began working perfectly again.

My specific model is the Segway Ninebot ES3 Plus, which has identical specs to an ES4. It probably is an ES4 rebadged for Costco since no one else sells that model but they seemed to disappear from their app/website and my local store over a month ago. Well, ES4 is still around even if the ES3 Plus was just a flash in the pan. :)

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