What issue? Draft effect isn’t a function of grade.
[Edit:] Draft effect shouldn’t be a function of grade. It’s an aerodynamic thing – has nothing to do with gravity. Please explain what you mean. What is changing?
What issue? Draft effect isn’t a function of grade.
[Edit:] Draft effect shouldn’t be a function of grade. It’s an aerodynamic thing – has nothing to do with gravity. Please explain what you mean. What is changing?