Thanks Richard for posting the photos of the underframe fittings of your TTA... the instructions received with our two kits look like the copies were made on a printer which had run out of a primary colour for the images are very indistinct and with significant colour bias. Your photos enable us to place some of the fittings more accurately than we might have done using just the instructions.
To compliment Richard's photos, here are some images of the castings from the kit. First the etching for the walkway and the castings for the ladders / handrails:-
I have included the buffer stock castings in case that helps to define the builder / period (we are doing these wagons as circa 1985-8). Now a photo of the castings for the automatic air-brake.. or at least the castings which I think are part of the automatic air-brake arrangement. The instructions refer to the "lever castings" as "belly mech 1", "belly mech 2"... so any information as to a more appropriate description is to be welcome:-
In the photo above I have included samples of the two types of bearing spring - we are using the part on the left of the picture. The item in the middle of the bottom row is not poorly cast, I used some Blu-tak to support the item for the photograph - there is one of these castings at each end of the wagon and located directly above the axle. The kit provides one air-brake cylinder... I have included another cylinder from a second kit so that the photo can show two views of this item.
If anyone can explain the arrangement of pull-rods between the air-brake cylinder and the brake yokes (using the casting in the middle of the bottom row above then I shall be really pleased to know).
regards, Graham