Thanks guys,
The objective of the courses we run are to use traditional blacksmithing techniques developing the skills base for participants as they attend various courses.
All the items were done freehand, jigs and fixtures were explained afterwards to enable 'short cuts' to be made when producing them as a commercial item
The T hinges were made from 3mm (1/8") material as they are more commonly used on furniture and doors, the strap hinges were made from 6mm (1/4") as this is more relevant for the heavier duty type use for this style of hinge.
As well as the techniques used to make the rolled ends for the hinge pivots, the use of shaped or straight butchers/hot sets/chisels to make profiles and incised patterns are also incorporated, along with punching square and round holes.
The students are given the basic skills and encouraged then to develop those techniques as they see fit, using their own imagination and knowledge of where these items are to be used, so they fit in with the surrounding architecture.
Most important things learned on the course?
Decide on the finished sizes/ pattern for the location / purpose it is to be used for, and what suitable size material to use to achieve that
Make the eye/barrel part of the hinge first, the T hinge barrel can be cut out with hot cutters before rolling, or can be left as one, then cut out using hacksaw and chisel to allow centre the portion to be removed.
The centre portion should have a chamfered edge to allow the strap part to fit snugly but with clearance to allow free movement.
The ends of the rolled barrels should be angled/chamfered to allow them to roll into the body of the hinge, this applies to both these types of hinges.
When forging large strap hinges, there is a tendency for the eye end to forge non parallel, that is the centre forges in more than the ends, to help prevent this, preform a curve into the width of the material before turning the eye.
After you have formed the eye, you can then use a drift of the appropriate size to ensure a good fit onto the pintle being used.
Otherwise general rules apply, keep the anvil clean, forge and cut when at right heat, use cutting plates and sharp tools for detailing, wire brush to keep forging surfaces clean before forging, clean fire, correct sized tongs to securely hold material. Then a little sweat and application.
I have also attached a picture of asimpler alternative hinge type that dates back to the Viking age, they should have been puched for the fixings, but the guy who made them wanted to drill them back in his workshop, and was not sure of the location for the holes for the box he had made, these were his first efforts at forging metal.