Hi,
Does any one know of any guides on the size of bypass holes required for the correct drive dynamics of a pig
eg:- driving the front cups bypassing the rear cups
Thank you for any help given
Hi,
Can anyone explain a easy way to produce a 3D bend? I have been told the only way is to draw it in 3D, can it be done in 2D? Looking at a bend in 2D it would appear that the inside of the bend moves towards the centre line and the outside of the bend moves away from the centre line,is there...