AFAIK, that data has not been published.
Only Smith and Wesson knows and they aren't telling.
480 barrels
There are 1.167 barrels of oil per inch in a 210 bbl tank that is 10x15 in size.
1.66
Yes. Many different models made.
No such model.
Smith & Wesson revolvers were never made in Spain, although many copies were.
2.75
I would require much more info to answer your question.Please start with the fact that I am not aware of any Smith and Wesson serial numbers starting with the letter V.Please include the type of Smith and Wesson you have(revolver,semi-auto pistol),the barrel length,the caliber,how many shot if a pistol,the caliber of your Smith and Wesson etc.I can then start to look and find a answer for you.
Smith and Wesson made many different models. Would need more information to even begin to answer your question. sales@countrygunsmith.net
Yes, they made many of them.
Not in the public domain