Send short, decision-oriented emails: what you did, what you recommend, what you will do by date X if you hear nothing. Keep a paper trail. Do the work that does not require permission.
Example Question Supervisor Issues
Engineering
Data Collection Anonymous
My supervisor is slow to reply — how do I keep moving?
Example of the kind of research problem you can ask on PhDSOS.
I do not want to be rude. I also cannot freeze for six weeks.
Answers
Help this researcher move forward
Sign in to answer. PhDSOS helps you do your PhD. It does not do your PhD for you.