Redstone Output

I was just trying to finish up one of my projects when I cam across something interesting with turtles. If a turtle has a peripheral or module on any given side, it cannot output a redstone signal on that side. I am not sure if this is intentional and I just wanted to ask if it is supposed to be this way. If so, why? I really don't see any reason in limiting the sides a turtle can emit redstone signal from.
Thanks! :D/>

Intentional. Redstone interaction is a "peripheral" of sorts, and you obviously cannot have two peripherals on a side at once.

Darn, I guess this project will just have to be a bit bulkier. Oh well. Thanks!