7mm David Andrews Princess - 6206 Princess Marie Louise

[OzzyO]

Hello Rob,

some of the best fixtures are made by that company Heath, Robinson. Been going for donkeys years, but I've never found the shop. Now to have a walk around town and see if I can find the shop this week.

ATB

OzzyO.

PS. I do talk some at times.
Must go the nice men in the white coats and my new jacket with the very long sleeves have just turned up. I'll get to play in that nice room with the soft walls and floor.

 

[chigley]

I think they sell on e-bay OzzyO, i'll get my coat too

 

[Rob Pulham]

These are the drawbar options as supplied. I have a confession to make at this stage. I couldn't find them and had asked a couple of fellow modellers who have the same kit for dimensions. As it happens one was able to supply part numbers and the other the key dimensions.

Then as is often the way, I opened a box where I keep useful bits (actually looking for a piece of plug pin to see if it would be suitable to make a draw bar from) and there on top of all the bits and pieces was the square of etch containing the two missing drawbars.



While I completely understand why they would be supplied as etches I wanted to see if I could make something more 3 dimensional.

I made a complete hash of my first attempt due to getting the machining operations in the wrong order. I had started by milling and drilling which left the part too weak when I attempted to turn the dog bone section.



This was at the end of the turning operation on the second attempt.







This is the end result greatly enlarged of course. The insulated bushes were made from knitting needles. sadly the only one I had of the right thickness was green. I did think that I had a suitable grey one but having turned one and subsequently dropped it, it landed with a decidedly metallic click. Further investigation revealed that it was in fact aluminium not plastic so not much cop for insulated bushes...

 

[Rob Pulham]

The Princess is keeping me entertained to the end.

Almost the last thing to fit are the sand pipes but in order to do that I needed to refit the brakes so that I can work out how the sand pipes will fit around them.

Previously after fitting the 3D printed shoes I had fixed the hangers to the frames via soldered pins with the top of the hanger slipping over a square rod (the holes were etched square) for mounting. Having come back to it I wasn't happy with that arrangement so I removed the pins and substituted some lengths of 12BA stud instead (cut down screws) next I soldered the square end into the hanger brackets. Then I enlarged the holes in the frames so now I can insert the studs through and put nut on the back to hold them.

A bonus to this approach is that not only will it be easier if a little fiddly to get them on and off the studs will rotate in the frames before being fully tightened so that positioning of the shoes against the wheels will be more adjustable.