I love this model! There are two other ships ahead of this in the queue, the Potemkin (80%) and SSN-571 Nautilus (60%) but I may get out the CWM and start fiddling. For now I'm happy to watch you.
As far as research, so far I've read the book from the Seaport; Leavitt's "The Charles W. Morgan".From all comments I've found about that book, there's no reason to doubt any of the statements it contains. While not too detailed, it gives a good chronology of the ship, at least up to 1973.
Here's a quick overview of the basic changes I have read about therein. She was launched in 1841 as a three masted fully rigged ship, four sails per mast. There were all manner of jibs, headsails, staysails and a spanker on the mizzen mast. Studding sails were used on the fore and main mast yards.
There were four boats in davits plus spares, three on the larboard and one aft on the starboard side. The boats at that time were lapstreak construction.
The windlass was aft of the foremast, there was no hurricane house on the stern, and there was a deck capstan somewhere.
The hull was black, maybe with three or so strakes of natural planking from the deck level down. Most of that type of ship at that time had the wales painted white, but there's no clue to that in this book- it most probably was painted that way, and certainly was not soon after.
That's the rigging Revell sets up, although the boat and deck furniture arrangement is from much later.
In 1867 she was re-rigged as a bark, losing the yards from the mizzen as well as the topgallant mast. Somewhere in there she got a fifth boat starboard forward.
In 1875 she was re-rigged, with wire stays and many other improvements. In 1879 she was re-rigged and replacement masts were three feet shorter than before.
In 1881 she was rigged with double topsails on the main. An upper fore topsail was added at sea that year as well. The windlass moved forward of the foremast, switching places with the forward companionway.
Somewhere in there the stern deck houses were added.
Pictures from the turn of the last century show the simpler stern. Whether there were windows before is not explained here.
She retired in 1921. She appeared in both "Down to the Sea.." and "Java Head", being more or less fully rigged again.
After leaving service, she was refurbished and put on display from 1924 or soon after, to 1935. There's a photo in the book from that time showing her fully rigged again, with the gun port paint job. That's how she's painted in a photo showing her being towed to Mystic, although there's only two yards on the mizzen.
Now I realize that those of you who actually know something about ships are expectorating into your spittoons, but I'm offering this brief synopsis as one modeler to another without misstating anything from this one source. I think it could be useful.
I guess that the Revell model pretty closely follows the way the ship came to the Museum. Dr. Tilley no doubt may know the source of that companies information, but it appears to me that what they are selling is a sort of movie/ display version of the ship, circa 1950.
This is Docidles thread, so I'll explain my plans elsewhere, but I hope this helps, Steve.