Trapezoid - Shaped Throat Opening

Use this calculator to lay out a trapezoidal shaped throat cut-out. Enter the throat area from the PitCalc, your tank's diameter and dam height.

This page exists due to the efforts of the following people:

Pete Mazz


PLANETCALC, Trapezoid-shaped Throat Opening

Trapezoid-shaped Throat Opening

Enter the width of your firebox
Enter the height you want for a grease dam at the bottom of the tank.
Top Length
Bottom Length
Height of cut-out
Throat area of cut-out.

URL copied to clipboard
Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Trapezoid - Shaped Throat Opening