Please lookup the flight envelope, cruise fuel utilization, and stall characteristics of the Dyke Delta along with its cargo capacity.
Then you'll understand why so many Cessna 172s were built.
Then you'll understand why so many Cessna 172s were built.
This is, primarily, why you only see delta wings used in super-sonic aircraft where these limitations are more than made-up for its ability to go trans-sonic with (relative) thrust efficiency.