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1928 Lockhart Stutz Blackhawk Special LSR Car 1:10 scale DONE!

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  • Member since
    May 2017
  • From: Douglas AZ>
Posted by littletimmy on Monday, August 21, 2017 5:52 PM

Man thats a lot of work for a one-of-a-kind model !!! And a LOT of work to get it the way you wanted it !

My hat is of to you for tackling such an interesting subject. nice job !

Dont worry about the thumb print.... paint it rust and call it battle damage.

   Soon to be on the bench...

 

 

 

 

 

 

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 3:12 PM

Thank you for the warm welcome and the kind words Trevor!
Im really excited to get this done and accomplished.

  • Member since
    December 2003
  • From: Nova Scotia
Posted by Bainford on Monday, August 21, 2017 11:41 AM

Welcome to the forum, Dale.

I am very impressed with your project. I am familiar with the story behind this car; excellent subject matter. You have some excellent progress there, despite the trials and tribulations. Keep at it. It's all good experience and you WILL get there.

If it's white you want, then stick with the white. Laying on a thin skim of Bondo or epoxy putty and then sanding smooth will sort the surface striations from the printing process. Be sure to use primer as a base coat to check for surface imperfections before you paint. A high build primer might be a good suggestion for your project. High build primer can hide surface detail which shouldn't be a problem for your project, but it can also act as a fine filler which work for you.

Primer will also get the whole part in one colour before you lay down the paint.

Your printed parts look fantastic. This is going to be an incredible model. I have a small bit of experience working with 3D printed models (submarines) from a basic printer, so I appreciate the issues with getting a smooth paintable surface.

I think you are doing great work here. Keep at it and ask questions when you need. It is a very interesting project and I am keen to see it come together.

"A common mistake people make when designing something completely foolproof is to underestimate the ingenuity of complete fools."
- Douglas Adams

Trevor

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 10:24 AM

So, Sunday afternoon, after spending an entire weekend wrestling with this thing, I relented and defaulted to the processes Im more familiar with... Putting down a layer of XTC-3D on the parts. (which is like a two part resin self levelling coating).

Thats how far Ive got with this. Next weekend Ill be wet sanding down the new surface and painting it with standard hardware rattle can paint.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 10:19 AM

I noticed that the Tamiya TS-30 Silver that I purchased covered REALLY well. So figured I'd give it a base coat of the silver, and layer the white over that. After all, the white paint on the original car went over the aluminum. Before painting I really did a lot of prep work on the body, wet sanding and filling to as smooth a surface as I could. But it still wasnt giving me the results I wanted.



At this point I started playing with the idea of making the car all aluminum, instead of white. Still not sure. But most likely will go with the white to keep it historicaly accurate.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 10:06 AM

Unexpected (bad) result #2

That night I figured I can just layer on fresh putty. 

As I said, Ive never used these scale modelling products before, and was starting to really mess up !



As I spread the putty on, it started reacting with the paint.
Did I buy an incompatable putty / paint combination?
Tamiya Putty white
Tamiya TS26

Only one thing left to do, sand it all off.
  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:57 AM

... and heres where I had an unexpected bad result.

The Tamiya paint (never used it before) - white - TS26 does not cover well. On top of that, as I discovered, these paints made for scale models are designed to lay down super thin, and not cover small details. This is great when youve got a nicely made injection mold or resin kit, but its exactly what you dont need on a roughly printed 3D part.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:46 AM

THE WEEKEND

So this was the part I was really looking forward to, and that is prepping the parts for paint and assembly. Ive been reading up on all the paint techniques posted up here in these forums. (which is what led me to sign up here). It started out well... but then I hit some issues :-D



Joined up the two main body sections, and started filling with Tamiya Putty.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:36 AM

WEEK 2

PRINTING AND SANDING
Ive got an FDM printer, so the parts have striation lines, and require a fair amount of smoothing.



Around 50 parts in total, including the driver.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:33 AM

WEEK 1

CAD: Spent about 50 or so hours on the CAD work



  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:28 AM

Using as many photos and images I could find, combined with some dimension data (length, track etc) I started building up the car in CAD.

This car was one of the first vehicles to be designed in a wind tunnel, and to use intercoolers - the radiators exposed on the hood.

  • Member since
    August 2017
Posted by Prototype on Monday, August 21, 2017 9:24 AM

 

  • Member since
    August 2017
1928 Lockhart Stutz Blackhawk Special LSR Car 1:10 scale DONE!
Posted by Prototype on Monday, August 21, 2017 7:58 AM

Hi all, joined recently, and introduced myslef. :-)

I explained there how I got be be working on this project.

Firstly, its already taking WAY longer than I anticipated... but I guess thats how it goes.

Heres are two great articles on this incredible story.

https://oldmachinepress.com/2013/02/23/lockhart-stutz-black-hawk-lsr-car/

http://www.automobiliac.com/automobiliac/tag/stutz-black-hawk

I guess Im not allowed to post pics yet. :-)

Dale

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