The next month isn't looking promising for advisorial feedback: his committee duties apparently require vast amount of reading, two (2) students are defending within the next month, the project funding roughly 1/3 of the group has an annual review, and he submitted a semi-speculative abstract months ago to a conference in May, and the student doing most of that work got stuck out of the country due to visa issues.
Of course, I am the only other student in the group with enough knowledge in this technique to be able to cobble together results for said speculative abstract in time. This brings my research related projects up to three (four if we include trying to prepare for my quals, which is really a preliminary proposal) while take three classes, two of which have very large projects due at the end of the semester.
Realistically speaking, I can put one of my three research projects on the back burner for the next month, but that leaves me trying to balance four large (very non-overlapping) projects over the next month or so. Yaaaaay....
How many projects did/do you typically work on as a graduate student?