How did Eli Whitney plan to deliver the most rifles ever produced by one factory?

Eli Whitney plan to deliver the 10000 muskets in 2 years, by bringing about industrial mechanization into the system.

Explanation:

Eli Whitney designed and developed the machine tools which even an unskilled person can structure a particular part. Similarly, other parts were developed simultaneously. These particular individual different part, so formed by several workers, can then be unanimously be joined together to form the musket.

This laid down the ideology of interchangeable parts. And though it took him 10 years to contemplate what he said to be accomplished within 2 years, he, himself brought about the industrial revolution in 1801, overcame skepticism.