The original poster said "fairly close replica". There is no way to take a current Astro and make an exact replica..... no more than taking a current knife in any model and "duplicating" a 50+ year old knife.
I admire his craft and industry....
You could say the same thing about WW2 fighters.... most had humps.... but for a brief period in 1943 when it disappeared ... then it came back.
These humpless fighters are rare as hell.......
Does that make the humpless fighters less authentic...?
Here is an early 1943 fighter.... no hump.
PLEASE FORGIVE THE HIJACK..........