I think #172 might be better if it only had two segments of liquid. That way, it would be more distinguishable when using a small font size on the navigation bar of an iPhone app.
Imagine the logo being at the top of this screenshot:
Hi, thank you for the feedback. I´m starting to work on it, and later i´ll have something more for you. If you have any more ideas on how to improve my designs, please let me know so i can work on it. Thanks Filipe