Sep-29-2021 06:14 AM
Oct-06-2021 05:41 PM
MORSNOW wrote:
I've noticed the same thing, over 90% of the rear shields are closed up anyways. I'm seeing newer versions of the under trailer skirts and wheel covers lately, we'll see what sticks around and actually helps.
Oct-06-2021 05:39 PM
Kayteg1 wrote:
I recall air tabs were heavily promoted about 10 years ago, yet I have not seen a single one on the road.
My take is that would they really work, truckers would jump on them like crazy.
Even 1% in fuel saving for trucker means thousands of dollars every year.
Small percentage of semitrailers have rear shields, making it aerodynamics, but quite often I see them closed, so the same conclusion as above.
Oct-06-2021 07:53 AM
Kayteg1 wrote:
I recall air tabs were heavily promoted about 10 years ago, yet I have not seen a single one on the road.
My take is that would they really work, truckers would jump on them like crazy.
Even 1% in fuel saving for trucker means thousands of dollars every year.
Small percentage of semitrailers have rear shields, making it aerodynamics, but quite often I see them closed, so the same conclusion as above.
Oct-05-2021 05:58 PM
Oct-05-2021 05:38 PM
Kayteg1 wrote:
Talking about aerodynamic design, I did learn aerodynamics in my younger years and when aerodynamics don't have mathematic formulas and require wind tunnels for design, main rule is that shape of the front has neglectable impact on air drag, when >90 % depends on smooth rear.
I see this camper has square rear like most, while narrower front lower the comfort.
In my travels I had 2 campers. 12' Lance and 12' Fleetwood.
When both campers had similar floor plans and similar weight, Fleetwood being basement camper was about foot higher.
Regardless expectation that higher camper will lower mpg, that did not show clearly on my records and I enter each fill up on fuelly.
With camper I always set CC to 60 mph, so that is consistent.
Actually checking my records the taller camper shows better mpg, but I think that is due the fact that I had new truck, who with lower camper was in break-in period, while having over 20k miles on odometer with higher camper, the engine start showing better performance.
Either way, the differences are within common differences due winds and different fuels.
Oct-05-2021 12:44 PM
Oct-05-2021 10:41 AM
silversand wrote:StirCrazy wrote:
the fram is all large format alumum "c channel that is fully welded, the outer skin is thick fully welded alumium plate, not thin siding. they achieved a "true" R16 insulation so it is better inslulated than older houses. the design focused on aero dynamics to reduce parasidic drag when driving and get better milage. this one is built with the intention of you never having to replace it in your life time,
....all very valid points on the build materials. I would add that I saw a French Youtube vid of a guy in Quebec that bought a unit, and was showing the incomprehensibly-well-built windows that are going into this unit. I don't know where Lokki is sourcing these windows, but the cost must be in the $1000+ rage for each. Also, have a look at the exterior roof superstructure covering every square inch of roof (allowing only the air conditioner and walk-through glass roof-access hatch to protrude through). That superstructure could cost in the $5000+ range (based on what I've seen the European ActionMobile global expedition living units options are, and the cost).
If this thing could be priced in the say, $80k USD range with basic necessities included, I think that would be more palatable to me personally. But getting these hand-built units into that price range would entail manufacturing a uniform camper "shell" on a production line, and only THEN starting the cost escalation based on "custom options". So, say that (seemingly) indestructible shell only at $60k USD and then adding personal $$$$$ options. Heck, you could add incineration toilets, hydronic zonal heating, 12 to 18 kilowatt electric automobile lithium battery systems, FLIR radar, a roof-top drone aerodrome for a Mavic 2 Enterprise, heated exoskeleton to melt off ice from ice storms.....now you are at $135k......and with options, the sky's the limit.
Oct-05-2021 10:18 AM
Oct-05-2021 09:09 AM
StirCrazy wrote:
the fram is all large format alumum "c channel that is fully welded, the outer skin is thick fully welded alumium plate, not thin siding. they achieved a "true" R16 insulation so it is better inslulated than older houses. the design focused on aero dynamics to reduce parasidic drag when driving and get better milage. this one is built with the intention of you never having to replace it in your life time,
Oct-05-2021 08:37 AM
Oct-04-2021 07:59 AM
Oct-03-2021 06:44 PM
Oct-03-2021 01:11 PM
Sep-30-2021 07:59 AM
Jimh425 wrote:
Previous thread with additional comments