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  1. rruff

    CPT (Composite Panel Technologies) Slide In Camper Shell Build, AKA "Yes, Dear, I think this will definitely be my last one...."

    After 3 days mine was about 13 W/F with no people. Your camper is bigger but also has thicker walls.
  2. rruff

    Reasonable Mods For Carrying Heavy Things

    ^My tire weight more than doubled, and diameter went up 8% and mpg improved. Granted the stock Bridgestones were probably :poop:, but... Some offroad tires are pretty stiff, and the hysteresis loss (rolling resistance) can be high. There is a big range with ATs and MTs, and it's hard to tell...
  3. rruff

    NPS fines AWD owners…

    You mentioned sand though. I've driven in sand probably over 1,000 times with a RWD open diff... and if I got stuck, an air down was always enough to get out on my own. I like the low range and 4wd, but my current truck doesn't have any lockers either. It does seem like making them pay for the...
  4. rruff

    NPS fines AWD owners…

    4wd isn't the issue then. Seems like just charging people who need a tow would solve this... ?
  5. rruff

    Reasonable Mods For Carrying Heavy Things

    The way I look at it, is that tire and suspension upgrades are necessary because they dramatically improve handling, safety, and performance. Yes, they will add a couple hundred pounds, but they are worth it. Tire weight isn't going to increase your axle load, but everything resting on the axle...
  6. rruff

    Airbag Air suspension

    ^ They are primarily for boosting payload temporarily, and heavy duty ones I've seen are rated for up to 150 psi and 7500 lbs of added load. Best to get appropriate springs if your load is consistent.
  7. rruff

    This could be the start of the biggest game changer to extend EV range

    ^If you are parked in the sun for long periods, then yes... it could be significant. I think the primary benefit would be a cheap and simple way to get a lot of solar energy for running appliances. That would be quite nice for non-EV vehicles as well. Provided that it actually is cheap and...
  8. rruff

    This could be the start of the biggest game changer to extend EV range

    If the manufacturer does not include thorough testing protocol and data, then I figure this is Pop Sci level BS (ie marketing). Solar cells on cars have been a thing for a long time, and they are mostly a gimmick... due to the amount of energy gained not amounting to much. This paint might be a...
  9. rruff

    Reasonable Mods For Carrying Heavy Things

    I should have my leaf upgrade done today. I'm not expecting much frankly, but I hope I'm wrong! My $1100 shock upgrade was an amazing improvement, even on the stock unloaded truck. The only thing I gave up was a little compliance on small bumps. Handling... and performance on larger bumps were...
  10. rruff

    Isuzu npr 4wd

    ^What's the head room in that berth?
  11. rruff

    Payload ratio

    They are throwing in a WAG and CYA to account for most campers being high-CG.
  12. rruff

    Reasonable Mods For Carrying Heavy Things

    If your rears are fine, I'd make sure the bumpstops are bottoming out before the shock.
  13. rruff

    Payload ratio

    They don't even truly test via a computer simulation, because scaling from prior knowledge is much more effective... what the payout for warranty and liability was on prior similar designs, etc. Good engineering means being thorough... and satisfying the bean counters, marketeers, and lawyers...
  14. rruff

    Reasonable Mods For Carrying Heavy Things

    You need to be researching regarding your particular truck. Since you have a heavy diesel.... the current practice regarding GVWR is to simply set a number and subtract the curb weight. IOW, the diference in GVWR between your truck and the gas model will be the difference in engine weight...
  15. rruff

    Reasonable Mods For Carrying Heavy Things

    I have an upgraded leaf pack from Boise Spring on the way. Something similar could surely be bought from a local spring place, but they have a lot of experience with 2nd gen Tundras, so I went with them. $550 plus tax, shipping, CC fee. Removes the overload and adds 3-4 leafs per side. I'd also...
  16. rruff

    Transit Opinions Appreciated

    It's surely the best MPG if the lack of power, MB cost and maintenance, and price of diesel fuel don't bother you. But the bottom line is that a big engine is getting into its efficiency band once the "demand side" gets bumped up by a lift, big tires, tall roof, high speeds, etc... and the...
  17. rruff

    Shell Cost

    He suggested that many partners will assemble campers from all three. If that is true, then those are the ones you'd need to talk to.
  18. rruff

    Shell Cost

    Doing what he suggested would be a good idea regardless...
  19. rruff

    Shell Cost

    I agree. Good impartial advice was offered that didn't slant in any direction. I just thought it was a weird 1st post by someone who has been a member so long. Lots of bots on the forums now...
  20. rruff

    Is e-Bike Trailer Living Feasible for Full-Time Adventuring?

    Another thing about the real world... the laws of physics limit what is possible. I actually considered your thread title question a few years ago, and that is doable though limiting. A popup trailer long enough for me to sleep in, with solar cells on top, along with enough battery storage to...
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