7mm Mickoo's Commercial Workbench

[mickoo]

Small update on the Finney7 BLP build, most of the time has been spent on the front end and tuning the middle cylinder block fitment.

The fit and form is fine, just need to add some details for the final rendition, the pressure relief valve will go on the print but the drain cocks will probably be brass castings if I can find some.

I've also found a photo that shows the sheet steel above the upper V notch on the bogie pivot stay is missing at the rear, a new stay is in the printer right now.

The big out of scale stay to form the front axle pivot for compensation beams set up does really get in the way, you could remove it and go for individually sprung but then you end up with no strength in this area and large slots in the frames to fill. There is a internal valve gear cover up under there so that'll hide a bit of it.

You need to hack the slide bar bracket a bit to get the cylinder block in but it is achievable.

The next big print is the leading spring hanger fixing and stay, complete with brake cylinders and bell cranks all in one unit. That will close a lot of the open space up around that area and add visual mass.

 

[michael mott]

You really do do a nice job of putting things together. the quality of your 3D prints ad a lot to the locos that you work on.

Michael

 

[mickoo]

You really do do a nice job of putting things together. the quality of your 3D prints ad a lot to the locos that you work on.

Michael

Much appreciated, I have your work to aspire to, what I do with plastic and a computer, you do by hand; that's a whole new level of skill set

The big advantage of 3D prints is that it produces parts that could not be easily cast, that cylinder block and bogie stretcher would need to be lost wax to get all the cavities in there and that would increase the price beyond practical.

Mick D

 

[michael mott]

Thanks for the kind words Mick, Yes I can see how the printing would be so mush less work than lost wax. My jeweler friend does a fair bit if lost wax stuff and it is labour intensive.

Michael

 

[mickoo]

Finney7 Hall update, all re assembled and cooling down after a good run in, it'll get another long run tomorrow just be sure it's all settled in nicely.

There are a couple of bits still to do but they'll go on just before shipping to the client, namely sand pipes and injector drains, it still needs to be weathered and have DCC fitted so the body will be on and off a few more times and run the risk of breaking these off. Hooks and couplings are on order and will be fitted before going for weathering.

I'll do some studio shots when it's all weathered and ready for delivery. Kit:- Finney7
built and upgrades by me.
Paint and weathering:- Warren Heywood.

 

[Lancastrian]

Mick,

I wouldn't bother fitting the coupling hooks etc before weathering. I now gently heat any couplings with a GazCat (75W) and then dunk into chemical black while still hot. That gives a lovely worn black finish. To get a light sheen I then use a drop of light oil on them. They now go onto any builds last.

BTW, another lovely build by yourself and Warren.

Ian

 

[BR Tony]

Finney7 Hall update, all re assembled and cooling down after a good run in, it'll get another long run tomorrow just be sure it's all settled in nicely.

Mick, looking fantastic as usual.

Tony

 

[mickoo]

Mick,
...... I now gently heat any couplings with a GazCat (75W) and then dunk into chemical black while still hot. That gives a lovely worn black finish. To get a light sheen I then use a drop of light oil on them. They now go onto any builds last.

Ian

That worked remarkably well and added to my build list too

 

[mickoo]

David Andrews Royal Scot reassembled and ready for weathering. It'll get a good lube and run in over the weekend and once the final back head fittings arrive from LG that'll go in and be secured.

Once back from weathering the coal load will go in and then delivery to the client.

Kit: David Andrews.
Build and upgrades: Myself.
Paint: Warren Heywood.

 

[Focalplane]

Rebuilt Royal Scot, surely the best looking British steam locomotive? And what a model to prove it is so!

 

[mickoo]

Mad scramble this week to get all the 3D done on the BLP for the Stafford show, quick and dirty shots before heading out the door.

 

[david duxbury]

Seen or unseen, beautiful detail, superb quality!

Dave

 

[Dave Holt]

Mick.
Fantastic detail and a great example of 3D printing to generate awkward shapes which would be hard to fabricate by other means (other than casting).
One can only imagine the struggle to change the centre axle springs of access the axlebox underkeeps. Mind you, the centre axle isn't much better on the rebuilds due to crank webs and the eccentric.
Superb, as always.
Dave.

 

[oldravendale]

Having seen this in the metal and 3D prints at Stafford I have to say it's a thing of beauty, Mick.

Brian

 

[LNWR 1900]

Hello Mick,

I met you at Stafford and was interested in buying these 3D additions and you doing some other CAD pattern work.

Let me know please

John

 

[mickoo]

Hello Mick,

I met you at Stafford and was interested in buying these 3D additions and you doing some other CAD pattern work.

Let me know please

John

Hello John,

Pleasure to chat, I've sent you a PM and we can discuss details as well as other items you may wish to have done.

Mick D

 

[mickoo]

Mick.
Fantastic detail and a great example of 3D printing to generate awkward shapes which would be hard to fabricate by other means (other than casting).
One can only imagine the struggle to change the centre axle springs of access the axlebox underkeeps. Mind you, the centre axle isn't much better on the rebuilds due to crank webs and the eccentric.
Superb, as always.
Dave.

Dave, appreciated, a lot of the prints would be near impossible to cast, unless you used lost wax and then that becomes cost prohibitive. They also save a lot of time and thus the hit to the customers pocket, the 3D springs clip over small stubs retained on the frame etch, two dabs of glue and fit.

The kit springs are triple laminates which need the cusp removing and the whole assembly fettled to fit, you can fit six 3D springs in the same time as it takes to clean one etched spring up.

It does take a bit longer to draw up the CAD parts and post process/clean up after printing so overall it'd be about the same time, I'm doing two Bulleids so the second one is where the gains really show.

Mick D

 

[mickoo]

Having seen this in the metal and 3D prints at Stafford I have to say it's a thing of beauty, Mick.

Brian

Thank you Brian, this has probably been the most satisfying 3D project, mainly because most of it is new and not like for like replacement parts for poor white metal or brass kit castings.

It certainly generated a lot of interest (more than imagined as typically 3D gets poo poo'd for not being real modeling) and I'm sure we'll be seeing more of this sort of thing from many others, which I'm quite frankly all for.

The more people that get behind this as a new medium then the greater the hobby will be for the future, it's not going to go away so we might as well embrace it and get on board.

 

[2-Bil]

3D poo pooded....i wonder why? when it can (very obviously) enhance the fidelity of a model.

 

[simond]

See debate about ”whether it ‘counts’ as ‘scratchbuilding’ or not”!