Many thanks. The instructions that come with the Heller/Airfix 1/100 H.M.S. Victory are scandalously bad. The original French version, with its insistence on using numbers for virtually everything, is bad enough, but the English "translation" is worse. Like its counterpart in the Soleil Royal kit, this curious document appears to have been written by somebody who neither understood French nor had attempted to build the model. It's really a scandal.
The good news is that the amount of information about the Victory in print is enormous. Anybody attempting that kit really needs to get hold of at least one book - preferably two or three. My first recommendation is The Anatomy of Nelson's Ships, by C. Nepean Longridge. The title notwithstanding, this is a detailed account of how the author built his beautiful 1/48-scale model of the ship; it's now in the Science Museum in London. Some of the references to techniques and materials are dated (he built the model between the late 1930s and the 1950s, I believe), and much of it obviously isn't directly relevant to plastic modelers. But it's a wonderful, detailed description of the ship, and the rigging instructions are almost as relevant to plastic modelers as they are to scratch builders. And the book contains a fine set of drawings by George Campbell - the same artist who drew those beautiful plans of the Cutty Sark.
A more recent source is Anatomy of the Ship: The 100-Gun Ship Victory, by John McKay. The centerpiece of this volume is a series of more than a hundred incredibly detailed drawings showing just about every conceivable feature of the ship. Mr. McKay is one of the finest draftsmen I've ever encountered; the book is worth having just as an outstanding example of the dying art of draftsmanship. If you buy this book, try to find a copy of the revised second edition. The first edition contained some mistakes, which Mr. McKay subsequently corrected.
A third extremely worthwhile acquisition is H.M.S. Victory: Construction, Career, and Restoration, by Alan McGowen. (I may have garbled the title a little; sorry). This is the latest source; it does a fine job of narrating the events of the ship's career. The appendix includes a massive collection of drawings by the aformentioned Mr. McKay - including quite a few that don't appear in the Anatomy of the Ship volume. The drawings in the McGowen book, in fact, cover the rigging in more detail than do those in the earlier volume.
For modelers, though, I really think the most useful book is the old Longridge one. Mr. McKay's drawings are magnificent, but some of his rigging diagrams are difficult to follow. Many of those in the appendix to the McGowen book show the leads of the lines in isometric projection - an interesting approach, but not the clearest way to explain the subject. Longridge, on the other hand, provides a verbal description of how each line leads. You can put a copy of the book on your workbench and use it as an instruction manual for rigging the model.
The Heller Victory is a nice kit - one of the classic achievements of the plastic kit industry. It's a far better scale representation of its prototype than the old Soleil Royal. Some of the latter kit's problems, unfortunately, do carry over into the Victory kit. The blocks and deadeyes in the Victory kit are just as unusable, and the method Heller suggests for rigging the shrouds and ratlines is, if anything, even more stupid. To do a thorough job of rigging this model will require several hundred aftermarket parts - which probably will cost a lot more than the kit itself did.
Another problem: the kit is more than twenty-five years old now, and recent purchasers report seriously warped and brittle parts. (The one sample I've examined was one that was sent to me for review by a magazine back in about 1978. The quality of plastic in it was excellent, but I've heard that recent shots are decidedly inferior.)
The bottom line, though, is that it's a good, generally accurate kit - a fine basis for a serious scale model.
So is the old Revell Constitution. It's based on a set of plans by (who else?) George Campbell commissioned by the Smithsonian Institution back in the 1950s. We had an interesting (and rather lively) discussion just yesterday here in the Forum about Constitution references: http://www.finescale.com/FSM/CS/forums/631533/ShowPost.aspx I'll let the comments I made in that thread stand.
If you search the Forum you'll find quite a few threads that deal with these two kits - especially the Heller Victory.