OK, you've raised something else I've been contemplating: weight.....
I don;t recall what the screen doors of my youth were made of (they were
always painted anyway), but they weren't heavy. They were typical mass
produced screen doors that were found all over the country in houses made
(or updated) from the 20s through the early 70s - when aluminum replaced
wood. I always assumed they were made of the generic 'white wood' (probably
one of the evergreen softwoods) because of the weight and paint....

the reason I'm wondering about weight is that, with a simple spring (either
hinge or free hanging), 2 issues come up: The first is simply how much
spring is needed to close the door, the second is momentum - what happens
when the door smacks into the jamb (especially if something like a finger
is on the jamb)...

I was planning to avoid the pneumatic door closers that are standard now,
so soft close isn't really an option....
these are the hinges I'm thinking of using:
https://www.leevalley.com/en-ca/shop/hardware/architectural-hardware/interior-
door/hinges/46500-cast-hold-open-hinge?item=01K2980

-James

On Tue, Sep 6, 2022 at 10:19 AM Kevin Foley 
wrote: