Originally Posted by thegnu
My top tube is 31 inches long an if made from a peice with at least a 3 inch diameter heavy wall tube (would) have a decent fuel capacity
It would hold .98 gallons, so ya plenty big.
The formula for calculating the volume of a cylinder is Cubic Inches= pi * radiusē * height in inches.
You tube tank would be 226.2857 CI.
1 Cubic Inch = 0.00432900433 Gallons [US, Fluid]