Originally Posted by rickair7777

I don't think that would be legal because wind could blow you off the desired track and you would have no way of knowing or correcting. Legally you need something that can actually get you there in a straight line...VOR-based RNAV, GPS, or vectors.

I din't mean to give you too much of a ration, just wanted to emphasize the importance of precise IFR procedures. If it makes you feel any better I failed my first CFII oral because I tried to describe a similar technique (for a hypothetical lost comm situation).