Tiffin Motorhomes VANLEIGH BEACON Owner's Manual page 262

cedures, tire manufacturers perform their own evaluations for these characteristics. Each
manufacturer then labels the tire, according to grade.
UV DEGRADATIoN — A breaking down of material due to the sun's harsh ultraviolet rays.
UNLoADED VEHIcLE WEIGHT (UVW) — The weight of a vehicle as built at the facto-
ry with full fuel, engine (generator) oil and coolants. It does not include cargo, fresh water,
propane, occupants, or dealer installed accessories.
WALLY WoRLD — Slang term used by RVers to describe a Wal-Mart.
WASTE WATER TANKS — The gray water tank holds the waste water from the sinks and
showers. The black water tank holds the waste from the toilet.
WATER PRESSURE REGULAToR — Device (customer supplied) installed on the water
hose attached to city water to limit the water pressure entering the RV. Most regulators limit
water pressure to 40 psi.
WEEKENDERS — People who own their RV's for weekend and vacation use.
WEIGHT & LoAD — These terms are generally used interchangeably. For the purposes of
understanding RV applications: Vehicles have WEIGHT, which impart LOADS to tires, axles
and hitches. Scale measurements taken when weighing, are LOADS carried by the tires.
The measured "loads" are used to calculate Gross Vehicle Weight (GVW), Gross Axle Weight
(GAW), Gross Combination Weight (GCW), and hitch loads.
WET WEIGHT — The weight of the vehicle with the fuel, freshwater and propane tanks full.
Note these important weights:
Propane 4.2 lbs. per gallon
Water 8.3 lbs. per gallon
Gasoline 6.3 lbs. per gallon
Diesel Fuel 6.6 lbs. per gallon
WIDE BoDY — An RV having an external body width greater than 96 inches (8 feet). The
most common wide-body widths are 100" and 102."
WINTERIZED — Refers to a camper that has been prepared for storage. The water systems
have been drained and RV antifreeze has been added to protect the water lines and drains.
The low point drains should be in the open position.
WoRK cAMPER — A person living in an RV and working. Many spell it as "workamper"
after the web site and service by that name.
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