It's just leverage. If I grab it at the top, I have 70.3" of leverage. If I weight it, I have only 14.69" of leverage, and because the weights would probably press down evenly on the whole 14.69", I have to divide that by half (on average), so it's 70.3 : (14.69 / 2), which is about 9.5 : 1. So...