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Old 07-23-2006, 09:41 PM   #21
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Quote:
GVWR for most trailers is the combined weight rating of the tires touching the road.
It's usually whatever the limiting factor is in the factory equipment -- In the case of many earlier Eggs, that might have been the axle, not the sum of the tires, even if the tires carried a low rating. BTW, it usually does NOT include the tongue weight because that is carried by the tow vehicle.

Remember that when you are towing, what counts is the scale weight of the actual trailer, loaded for a trip, not the "dry and perhaps optionless" weight on the official papers.
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Old 07-24-2006, 05:41 AM   #22
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GVWR for most trailers is the combined weight rating of the tires touching the road.
I guess I should have said, "... limited by the combined weight rating ..."

"The Egg" has a labeled GVWR as 3,500 lbs. However, the combined weight rating of the tires is 2,860 lbs. This disparity is the reason some RV'er have tire failures and think it is due to faulty tires.

I have had one tire failure on the curb side and none on the street side. Could this be due to the fact that the the measured weight on the curb side is 1,400 lbs and the measured street side weight is only 1,175 lbs.?

Perhaps we could have a survey of how many street side failures versus curb side failures for each type of RV. Included in the survey could be measured weight at each tire versus the tire ratings.
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Old 07-24-2006, 07:35 AM   #23
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The tire rating for a 17' Casita is 1760 X 2 =3520#

The 3500# GVWR for the Casita is the Dexter axle rating, which is the lower.
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Old 07-24-2006, 09:50 AM   #24
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Towed my 1981 Burro 13 footer to the county dump last week. They have a drive-on scale for trucks. The Burro weighed in at 1130 pounds.

This weight is the trailer alone, with no propane or water, or camping supplies, but otherwise ready to go camping. (Hoo Hah....short trip next weekend.)
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Old 07-24-2006, 10:22 AM   #25
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This may help: Understanding RV Weights
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Old 07-24-2006, 12:17 PM   #26
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The tire rating for a 17' Casita is 1760 X 2 =3520#

The 3500# GVWR for the Casita is the Dexter axle rating, which is the lower.
You are absolutely correct, assuming you keep you tires inflated to 50 PSI.

The 1430 lbs. rating quoted was for the two tires I purchased from Casita last year which I was told to inflate to 35 PSI.

After having my Casita weighed at the Blubonnet Rally I always check to make sure they are inflated to 50 PSI.
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Old 07-24-2006, 12:56 PM   #27
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[b]Specification Basis
What specs are we looking for here?
  • empty and dry
  • empty except for freshwater tank full (the Boler factory spec condition, also currently used with GVWR to calculate load capacity in Canada)
  • typical as prepared for use (with cargo)
  • maximums (GVWR)
  • ...
In any case, 1979 is probably not considered "late model", so I'm out.

[b]Tire Ratings
My Boler was factory-equipped with tires rated for 1500 lb each, and I assume that this is the source of the 3000 lb GAWR, since the axle itself is rated at 3500 lb.

Quote:
The 1430 lbs. rating quoted was for the two tires I purchased from Casita last year which I was told to inflate to 35 PSI.

After having my Casita weighed at the Blubonnet Rally I always check to make sure they are inflated to 50 PSI.
I don't quite follow this:CD, do you have tires which are rated for 50 PSI (presumably a Load Range C trailer-specific tire) and were just told to underinflate them; or, do you have tires rated for 35 PSI which you are now greatly overinflating to 50 PSI? I must have missed something...
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Old 07-24-2006, 01:15 PM   #28
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Compact Jr. - 1973 with air conditioner, dorm frig, microwave

length - 13 feet (box is 10' X 6')

GVWR - 1570 pounds

tongue weight - 175 pounds

actual weight - 1400 pounds, ready to camp
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Old 07-24-2006, 01:46 PM   #29
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Burro Widebody, year 2000

Length: 17'

Axle GVWR: 3500 lbs

Tongue weight: 255 lbs

Actual weight: 2980 lbs (includes tongue weight, full freshwater tank, and on-the-road stuff.)
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Old 07-24-2006, 03:34 PM   #30
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I'm working with a stock 77 -13' scamp.laminate floors instead of the 2 layers of carpet and durt it held. it hit the scale at 950 lbs so it is true.the 3 way fridge repaceing the ice box will put it over 1,000 bri
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Old 07-24-2006, 05:06 PM   #31
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Here's an old, but worthwhile discussion.
http://www.fiberglassrv.com/board/index.ph...=gawr+gvwr+gcwr
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Old 07-25-2006, 05:47 PM   #32
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Near Midway BC I came across a free vehicle scale that allowed me to determine that my 2005 13’ Deluxe Scamp weighed in at 1880 pounds including a tongue weight estimate of 164 pounds. Included is 12 gallons of water and about 200 pounds of food, clothing, and tools. That makes a dry weight of 1580 pounds, somewhat more than the Scamp literature indicates.
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Old 07-25-2006, 08:53 PM   #33
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My 13' Boler with propane tank, battery, ready to travel but without spare tire and furnace scales in at about 1450 lbs. including tongue weight ....and my 17' side gaucho Boler, ready for travel, is 2880 lbs incl`d tongue and 2570 without the tongue weight.....these are an elderly 1974 and 1979 yrs. old respectively.... ..Benny
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Old 07-29-2006, 04:05 PM   #34
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1973 Love Bug 13'. Does not have any holding tanks. Does have furnace. Weighed with full LP tank. Original doors were removed during rehab, I replaced them with doors that
I made out of box car siding. New axle installed. Spare tire hanging on back.
The trailer was weighed on a certified scale. Total weight was 960 pounds with the tongue weight at 100 pounds.
I usually pull with a Chevy Astro with a rated tow capacity of over 5000 lbs and I can't tell the Bug is back there.
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Old 07-30-2006, 06:15 PM   #35
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2002 Bonair Oxygen

19.5 Ft (Hitch to tail)

GVWR - 2700 lbs

Actual weight - 1895 lbs

Hitch weight - 185 lbs
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Old 07-31-2006, 07:48 PM   #36
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Talking

1980 Trillium 5500 (18 feet).
It's got a rooftop Coleman A/C and a REAL mattress (heavy!) Porta-potti, no water in the tank, lot's of "stuff" for a couple of weeks on the road including screen room, chairs, inflatable kayaks, etc., 2 24# propane tanks and a deep cycle marine battery.

Oh, and 10 pounds of Vidalia onions was tossed in just before we used the scales in Georgia.

Total: 2780 lbs.

They sure built those puppies right.

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