The hours of apprenticeship wont be nearly enough. See http://www.faa.gov/about/office_org/field_offices/fsdo/lou/local_more/media/CE17-050-F1_A&P.pdf: The FAA considers a 40 hour work week for the 18 months/30 months, so by experience would be 160 hours per month or 2,880/4,800 hours for one or...
Sorry for raising a dead topic. Thought I'd add something.
The 30 months is usually considered as full-time, 40 hour work week (see http://www.faa.gov/about/office_org/field_offices/fsdo/lou/local_more/media/CE17-050-F1_A&P.pdf
where it says: "In evaluating part time practical experience...