The chart loads fine in portrait and can rotate to landscape. But if the phone is pre-rotated before the chart loads, nothing is rendered...
I don't think this is a shinobi charts problem but it looks like the code to create the view rectangle is buggy.
If it helps anyone:
if(UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation]))
topOff = sbFrame.size.width;
topOff = sbFrame.size.height;