inductance al
Inductor/inductance with magnetic core always makes headache. In most case, we need no inductor with precise inductance value. In the other hand, for more accurate inductance value, we have to try and measure then wind it again and again. You can easily regconize that inductors made by a professional manufacturer always are tiny and accurate, while the one made by any amateur basing on the popular literature is big and far from desired value.
To fjpompeo, I have experiences with Russian electronic literatures, where in most case they always provide circuit diagrams with very detailed information on parts, especially inductors and transformers. Basing on their data, you can easily modify parts to adopt your practical situation.
If you can post that Russian document, I hope may help you. Maybe in their document, Russian words are not familiar to you so hard to understand.
nguyennam