SimonD’s workbench

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Rob R

Rob R

Western Thunderer
Did you use light supports on the other components?
I use medium as a default, a smattering of heavies if it is a biggish bit and lights just for getting the smaller extremities to print.
Lights only is a bit like Russian Roulette only the odds aren't as good.
Glad you are back on track with the wagons.
R
 
simond

simond

Western Thunderer
Hi Rob,

No, I was very careful with the wagon bodies because I’d had issues with the solebars deforming - from memory there are 10 heavy and 6 light on each buffer plank, and 19 heavy on each solebar, and 9 on each chassis crossbar, and the edge of the wagon body itself has 17 light down each side.

I can’t remember how I did the other bits & pieces except I tilt them and support one edge with 4 or 5 medium, and whatever it needed.

Another print running, we’ll see what’s what in the morning.

Atb
Simon
 
simond

simond

Western Thunderer
Rob R said:
Did you use light supports on the other components?
I use medium as a default, a smattering of heavies if it is a biggish bit and lights just for getting the smaller extremities to print.
Lights only is a bit like Russian Roulette only the odds aren't as good.
Glad you are back on track with the wagons.
R
Click to expand...
Just checked, and replaced the supports, they were medium onthe motor mount, I have replaced with heavy.
 
RichardG

RichardG

Western Thunderer
Somehow I was expecting a tentative prototype resting on temporary axles. But you have started a production line! The spoked wheels especially look really good, they capture the look of the ones on the Bideford trolley really well. I do hope you are printing some spare wheels :)
 
simond

simond

Western Thunderer
It is one of the joys of 3DP, that you can see something, and just make it, in a few short hours. And no point in printing one, it takes the same time to print eight, and probably costs £2 more. And by varying the orientation, you minimise the chances of a complete failure.

Well, I say ”a few short hours”, the 3D took about two hours, there was probably another hour of faffing with Chitubox, and then I put the print on before going to bed. It finished just before seven, took 9 hours. The models are still on the build plate and will be left to dry for the day, I’ll cure them this evening, then paint & assemble one of each. I’d allow an extra half hour for the printing & tidy up.
 
Hayfield1

Hayfield1

Western Thunderer
simond said:
It is one of the joys of 3DP, that you can see something, and just make it, in a few short hours. And no point in printing one, it takes the same time to print eight, and probably costs £2 more. And by varying the orientation, you minimise the chances of a complete failure.

Well, I say ”a few short hours”, the 3D took about two hours, there was probably another hour of faffing with Chitubox, and then I put the print on before going to bed. It finished just before seven, took 9 hours. The models are still on the build plate and will be left to dry for the day, I’ll cure them this evening, then paint & assemble one of each. I’d allow an extra half hour for the printing & tidy up.
Click to expand...

Simon

Could some of them be printable in FDM ?
 
simond

simond

Western Thunderer
Hayfield1 said:
Simon

Could some of them be printable in FDM ?
Click to expand...
Hi John

Yes, you surely could, but whether it would be worth the effort?

The difference in surface finish and scale detail is very marked.

FDM track seems to work well, but my experience of FDM wagons was not promising. They’d be fine as “garden models” or perhaps in a bigger scale but in 7mm they were not good enough for me.

YMMV


:)
Simon
 
RichardG

RichardG

Western Thunderer
Perhaps the straight handles came about for a taller user base, along with a desire for easier manufacturing?

If so, then with the wheel styles swapped over there is an 'early' version with drooped handles and spoked wheels, and a 'late' version with straight handles and disc wheels.

So I suggest the drooped handles with spoked wheels for the 1930s and earlier.
 
simond

simond

Western Thunderer
Annoyed. Spent a good hour working on the N4 brake gear today and the PDM system on Solidworks f****d me up and it was all lost. :rant:

obviously it was my fault but it should not have been possible. Very annoyed.

watched a bit of Glasto, and finally finished something.

image.jpg

it’s been a long, long story, which started a while back here,

Thread 'Help required producing unusual buffers.'
Help required producing unusual buffers.

and moved here

Post in thread 'SimonD’s workbench'
SimonD’s workbench

Thanks to @John Duffy i have a pair of wagons that I’d never have modelled without his input.

the structure is laser cut ply from John’s workbench The “ironwork” is early efforts at 3DP, including bufferstocks (where it all started) corner plates, bolsters (twin I beams clad with planks) springs and axleboxes. The running gear is Ambis, buffers from my own stock, couplings from Billy at Premier. Transfers were some very old stock from a cigar box found clearing out John M‘s shed, and the log was cut in the garden. I’m not even sure what it was!

there may be a bit more rust yet…


Just shy of 2 years. Tony’s Manor is glowering at me…
 
Last edited:
John57sharp

John57sharp

Western Thunderer
simond said:
And Neil Young‘s Glasto set was utterly brilliant…. Bless the BBC!

He’s 80…. And still rockin’ in the free world. :thumbs:
Click to expand...
Yes a top performance from Neil and very well delivered by the Beeb despite everything.

As a bonus, we’re in a cottage where the neighbours are .. well - quite noisy themselves, so they wouldn’t mind the high volume …. We even have our own level crossing.

img_8745-jpeg.243192
IMG_8745.jpeg
 
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