also are you using an accurate g7 bc ie litz ?
some manufacturer bcs can be optimistic
Type: Posts; User: veitnamcam
also are you using an accurate g7 bc ie litz ?
some manufacturer bcs can be optimistic
How far did you check your trajectory to arrive at that speed? It is possible your speed(and pressure) is a lot higher than what the book says especially if loading close to the lands.