Who much acreage would be needed to make a decent personal track, looking to atleast have three 45ft table tops 5 to 6 ft high, whoops here in there, and a WFO back stretch. I have read that 1 acre is 1000sqft less then a football field. So I am figuring that an SX course is made in a stadium then if I purchase 5 to 7 acres that would equal 5 to 7 football fields. If this is correct then I could build a track that could be worth bragging about.
Any suggestions or other input is appreciated, and budget is only allowing a maximum of 5 to 10 acres that a house can be built on. Trust me I would love to have 50 or more acres but wife and budget says no way.

 

This is what I kinda have in mind but need to figure out how many acres the dark colored track in front is.
pic here

 

any guesstimations ?

 

Looks like its about 6 or 7 acres, but most of it isnt being used and i cant really get anything to compare it to. You could fit in a couple more jumps if you didnt leave so much space bewtween the track.