Barrels have a convex shape and bulge at their center, called bilge. This facilitates rolling a well-built wooden barrel on its side and allows the roller to change directions with little friction, compared to a cylinder. It also helps to distribute stress evenly in the material by making the container more curved.

How much does it cost to make wine in 2019? Private Barrel – the cost to make a barrel of wine is $4000 which equates to $200 a case or $16.67 per bottle. A barrel is equivalent to 20 cases/240 bottles.

Whiskey barrels are more standard in size with them holding 50 gallons of choice beverages at the start. Wine barrels are 59 gallons but will vary in height and width depending on the type of wine that is going into the barrel.