Glossary | Grand Design

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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. These 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:
  • Propane weighs 4.25 pounds per gallon
  • Water weighs 8.3 pounds per gallon
  • Gasoline weighs 6.3 pounds per gallon
  • Diesel fuel weighs 6.6 pounds 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.
  • UVW:
  • Length:
  • Height:
  • Water Capacities: Fresh: Grey: Waste: