Join INGunOwners For Free
Page 13 of 14 FirstFirst ... 3 9 10 11 12 13 14 LastLast
Results 121 to 130 of 136
  1. #121
    Plinker

    User Info Menu

    Quote Originally Posted by avboiler11 View Post
    Why not have a smaller battery pack, say something with 200-250mi unloaded range, and a small fuel generator with modest fuel tank to extend range, especially when under load?
    For a long time, I've thought the same about an electric pickup. However, I recently watched a youtube video where the team used a Tesla X to tow a 5K trailer up the Ike Gauntlet. The on-board demand showed that the vehicle consumed 1.8Kw/mile. At 60 Mph, that would require just over a 100KW generator or 135HP to keep up. That's not exactly a small generator, and conditions would be much worse for a 14K trailer as being touted by Tesla. Granted, this is likely worst case, but does cause me pause when thinking of pulling a 10K travel trailer into a 40Mph headwind. I'm afraid it would quickly get into the same situation as the BMW Rex that doesn't have enough power to keep the vehicle moving. It would have to have a mode that enabled the generator to self charge the batteries when stopped (alongside the road even! )

    Where I do think an electric pickup will shine is with contractors who stay "local" and don't take the vehicle on all day trips. Add an inverter to power the jobsite trailer from the batteries and you eliminate a portable generator. For these users, cutting the mileage by 1/3 down to 150-175 miles will still let them go all day and get back to the shop to charge. It may have to be coupled to an upgraded electric service as the charger would need to draw about 80 amps for 10 hours to recharge overnight, but if the shop is otherwise unused overnight it may still work out.

    --Rick

  2. #122
    Master CHCRandy's Avatar

    User Info Menu

    This reminds me of when I was like 16-17 years old and working at the golf course. We had electric golf carts that we were always having to charge. I hated putting carts on and off chargers. One day I was sitting around with some higher ups with Public Service (now Duke) and started telling them how I wanted to invent a golf cart that would charge itself, simply by moving. Batteries would start the motion then generator mounted to drive would generate power to keep batteries charged. They laughed me out of the pro shop...started giving me theories on why it wouldn't work.

    I now hear about kinetic braking creating energy and such.....I often wonder if them guys were right or wrong, but electric is so over my head I have no clue.

    My question.......was they right?

  3. #123
    Grandmaster DoggyDaddy's Avatar

    User Info Menu

    Quote Originally Posted by CHCRandy View Post
    This reminds me of when I was like 16-17 years old and working at the golf course. We had electric golf carts that we were always having to charge. I hated putting carts on and off chargers. One day I was sitting around with some higher ups with Public Service (now Duke) and started telling them how I wanted to invent a golf cart that would charge itself, simply by moving. Batteries would start the motion then generator mounted to drive would generate power to keep batteries charged. They laughed me out of the pro shop...started giving me theories on why it wouldn't work.

    I now hear about kinetic braking creating energy and such.....I often wonder if them guys were right or wrong, but electric is so over my head I have no clue.

    My question.......was they right?
    I'm no electrical engineer/electrician either, but I think the difference between the kinetic brake energy being used to charge the batteries only works because it's "out of the loop" so to speak. What you were talking about almost sounds like using an inverter hooked to a battery, and then plugging a battery charger in to the inverter to charge the battery. That won't work. That's almost getting into something like a perpetual motion machine.

  4. #124
    Grandmaster actaeon277's Avatar

    User Info Menu

    Quote Originally Posted by DoggyDaddy View Post
    I'm no electrical engineer/electrician either, but I think the difference between the kinetic brake energy being used to charge the batteries only works because it's "out of the loop" so to speak. What you were talking about almost sounds like using an inverter hooked to a battery, and then plugging a battery charger in to the inverter to charge the battery. That won't work. That's almost getting into something like a perpetual motion machine.
    What you're looking for is "counter-emf".
    the generator creates resistance.
    It will never generate as much as what it is using.

    For instance, there is something called a motor-generator. Used to convert AC to DC, and DC to AC.
    But, each way you go, there is efficiency loss.
    "Una salus victis nullam sperare salutem."

    “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.” -Plato

    "A citizen may not be required to offer a 'good and substantial reason' why he should be permitted to exercise his rights. The rights existence is all the reason he needs." Benson Everett Legg - Woolard v. Sheridan

    If you're a noob, develop thick skin, and read the FAQs


  5. #125
    Grandmaster DoggyDaddy's Avatar

    User Info Menu

    Quote Originally Posted by actaeon277 View Post
    What you're looking for is "counter-emf".
    the generator creates resistance.
    It will never generate as much as what it is using.

    For instance, there is something called a motor-generator. Used to convert AC to DC, and DC to AC.
    But, each way you go, there is efficiency loss.
    Why does it seem like this should go in the Insane Social Justice thread?

  6. #126
    Plinker

    User Info Menu

    Quote Originally Posted by schmart View Post
    I'm in somewhat the same situation, but with closer to 900 mile drives to western KS. I've tried to justify electric just like you, but I'd have to take a different route and drop down to I-70 to stay near chargers. This would add another 75 miles to the route. Coupled with needing to charge for between 60 and 90 minutes in the trip, it would add a significant amount of time to the trip. Even if I accepted that, my last trip wouldn't have even been possible w/ an electric as I was coming back through Kansas City during the storm on Dec 15. by going north at KC and across US36/I72 I stayed out of the ice along I70 and was able to make it back (albeit it took 50% longer than normal). With electric, I can't currently take that route as there is NO charging available between KC and Springfield IL. Even there it isn't high speed. Coupled to the reduced range due to cold, I would have been stuck.

    I've wanted an electric vehicle for 30+ years, but cannot justify one with the current crop of vehicles and infrastructure. As I take 4 to 5 similar trips/year, renting for the trip isn't cost effective either. However, I am glad for the early adopters that are paying for the technology improvements so someday it may be possible for me.
    --Rick
    Impressive if you can drive 900 miles straight, without any significant breaks. I have to think a majority of people wouldn't entertain quite the adventure, and automakers won't have motivation to make such range even possible.

  7. #127
    Grandmaster actaeon277's Avatar

    User Info Menu

    Quote Originally Posted by Percolater View Post
    Impressive if you can drive 900 miles straight, without any significant breaks. I have to think a majority of people wouldn't entertain quite the adventure, and automakers won't have motivation to make such range even possible.
    Some people just stop to pee, and grab dinner in a drive through, eat on the road.

    Not much time for charging there.
    I used to do that from NWI to Orlando, and from NWI to upper state NY.
    "Una salus victis nullam sperare salutem."

    “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.” -Plato

    "A citizen may not be required to offer a 'good and substantial reason' why he should be permitted to exercise his rights. The rights existence is all the reason he needs." Benson Everett Legg - Woolard v. Sheridan

    If you're a noob, develop thick skin, and read the FAQs


  8. #128
    Master Hawkeye's Avatar

    User Info Menu

    Quote Originally Posted by avboiler11 View Post
    There wasn't much elaboration above, especially with regards to use in pickup trucks which offer a lot more real estate than a compact car.

    Tesla is claiming their top end Cybertruck would have 500mi of unloaded range, which would take a large and heavy battery pack (and why the truck's GVWR is going to be in SD/HD and not half ton territory). Why not have a smaller battery pack, say something with 200-250mi unloaded range, and a small fuel generator with modest fuel tank to extend range, especially when under load?

    Assuming a 100kWh battery pack provides 250mi unloaded range, that's 4-5 hours endurance. The Volt has a 1.4L gas generator rated for 55kW and an 8.9gal fuel tank. Now I'm not an electrical engineer, but I'd think a similar setup, even in a larger/heavier vehicle, would allow the torque and around-town benefits of an EV while mitigating their range compromises, especially under load.
    Company mission - Tesla is an Electric Vehicle company, not hybrids. I get what you are saying, but I think you are missing that point with the Tesla.

  9. #129
    Master avboiler11's Avatar

    User Info Menu

    I’m not missing any point.

    I’m simply using Cybertruck’s supposed max range as an example of what could be done in a similar, competing vehicle to match its range unloaded but exceed it while towing.

    Don’t see Tesla doing any ICE range extender...but perhaps GM, Ford, FCA?
    "'Gun guys' can find a way to get butthurt about just about anything."

  10. #130
    Grandmaster actaeon277's Avatar

    User Info Menu

    People who talk the talk about being willing to pay extra to save the environment, might just get a chance to do that.
    EVs use the roads. Roads still need to be maintained.


    "Una salus victis nullam sperare salutem."

    “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.” -Plato

    "A citizen may not be required to offer a 'good and substantial reason' why he should be permitted to exercise his rights. The rights existence is all the reason he needs." Benson Everett Legg - Woolard v. Sheridan

    If you're a noob, develop thick skin, and read the FAQs


Page 13 of 14 FirstFirst ... 3 9 10 11 12 13 14 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Button Dodge