Boeing 797?

Why is it that some Boeing 797's have two engines when the Boeing prototype has four as well as the Air Canada and Varig models? The American Airlines and Southwest Airlines 797's have just two engines. Which one is the accurate model?
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Why is it that some Boeing 797's have two engines when the Boeing prototype has four as well as the Air Canada and Varig models? The American Airlines and Southwest Airlines 797's have just two engines. Which one is the accurate model?
Why is it that some Boeing 797's have two engines when the Boeing prototype has four as well as the Air Canada and Varig models? The American Airlines and Southwest Airlines 797's have just two engines. Which one is the accurate model?
How many people here know that Bill "Lionheart Creations" Ortis released an FS9 freeware 797 model just a few weeks ago?
http://www.lionheartcreations.com/Homepage.html