G'day All. I stumbled across this thread and thought you might be interested in the project I have been working on for a while now, 12 years actually...
She is an 040 tank loco, 7 and a 1/4 Gauge called Hercules.
With the following
> Steel Briggs boiler
> 11 liter capacity
> 18 number 5/8 diameter fire tubes
> 2 injectors for boiler water feed (yet to be made)
> 2" diameter pistons
> Slide valves
> Walschaerts valve gear
> 1150 hours spent to date on its construction
> All the rivets are real! 3 months it took to do the water tanks in my spare time
> Raw casting were used for the wheels and cylinders, all other parts were made from scratch
If I was to do one again I would build something bigger, I found the smaller work quite difficult. There is the same amount of work if its a 3 and 1/2 inch Gauge or a 12 inch Gauge loco and with a 12 inch model you can by the plumbing fittings from Reece! Making plumbing unions 1/4 inch and 40 TPI is a pain, not to mention tapping 12BA threads...
It takes 5% skills and 95% motivation to make something like this, and the motivation is hard to find some times. You just have to make each piece, celebrate and go on to the next:D
https://www.aulro.com/afvb/images/im...12/12/1138.jpg
https://www.aulro.com/afvb/images/im...12/12/1139.jpg
https://www.aulro.com/afvb/images/im...12/12/1140.jpg
Boiler plates in construction
https://www.aulro.com/afvb/images/im...12/12/1141.jpg
https://www.aulro.com/afvb/images/im...12/12/1142.jpg
Cheers Simon