I've got 5 YB's that haven't been able to free fly yet.
what I've got going on now is a cage allowing the birds to come in and out of the pigeon bob catch door and landing ramp. The cage allows them to come in and out of the door and walk around on the landing board. Before they had no way of getting through the bobs so they could see around.
How long should I allow them to walk around on the cage looking around before I can use one and have it fly back to the pigeon coop?
Basically it's like the cage on this picture that's bungee'd to a landing board (google image)

My coop (was given to me) doesn't have any way for the pigeons to look outside, it doesn't have the chicken wire on the top it's just solid plywood box with nesting shelves inside.
I'm eager to put them in the launchers and have them fly home, not sure they'd do that right yet and can't afford too many losses. Hard to source the homers.
I'm going to start here soon catching them and putting them in the cage with the bobs down and train them to push through the bobs, I'll feed them so they'll want to go back in the coop. Right now the bobs are all up and they're coming and going out of the cage pretty good, they like to look around.
thanks