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Springy Thingie, "a tin makeover"


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#1 Gene/ZR1

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Posted 13 October 2017 - 10:56 AM

ROUND NO.1

a how to;

I was asked by a Slot Blog member and tin model donor, to give this a go,so here we go!

 

20171013_111819479_iOS.jpg

 

object;  take a 1945 or so toy tin sprint car, Germany U.S. Zone and turn this into a slot car body

 

20171013_110546114_iOS.jpg

Will need a lot of clay, this machine will roll it out at 1\8" thick.


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#2 Gene/ZR1

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Posted 13 October 2017 - 11:11 AM

ROUND NO.2

 

20171013_111844935_iOS.jpg

You need to pack inside tin shell with clay to seal a holes, so when you make the silicone mold it does not leak inside of the tin shell.

 

 

20171013_112349202_iOS.jpg

You can how the clay is push to the outside sealing off all openings

 

 

 


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Eldon Adams AKA Gene/ZR1
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#3 Gene/ZR1

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Posted 13 October 2017 - 11:17 AM

ROUND NO.3

 

20171013_115002808_iOS.jpg

Clay work base to start bottom profile seal

 

20171013_124314691_iOS.jpg

Continue with the bottom seal profile

 


Eldon Adams AKA Gene/ZR1
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#4 Gene/ZR1

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Posted 13 October 2017 - 11:27 AM

ROUND NO.4

 

20171013_130309547_iOS.jpg

Continue to shape bottom seal.

 

[attachment=147531:20171013_131811602_iOS.jpg

Front end under grill takes shape, this is the time to make clay adjustment as needed, remember you have to remove the PETG plastic from the mold, from here need to finish up.

 

stand by. g; 

 

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Eldon Adams AKA Gene/ZR1
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#5 Gene/ZR1

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Posted 13 October 2017 - 04:15 PM

20170917_173244176_iOS.jpg

 

taking a break, will finish up monday

 

gene and Lucy


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Eldon Adams AKA Gene/ZR1
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#6 Lone Wolf

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Posted 13 October 2017 - 05:10 PM

I will follow this one for sure.

 

Art Clokey would be proud of that clay work  :)

 

 

Not sure how that next batch of pasta is going to taste though  :shok:


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Joe Lupo


#7 olescratch

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Posted 13 October 2017 - 06:05 PM

Step-by-step mold making at it's best!  Teach on!


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#8 Gene/ZR1

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Posted 16 October 2017 - 09:46 AM

ROUND NO.5

 

20171016_120722564_iOS.jpg

 

The bottom clay perimeter seal is complete and a spray of mold release.


Eldon Adams AKA Gene/ZR1
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#9 Gene/ZR1

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Posted 16 October 2017 - 09:51 AM

ROUND NO.6

 

20171016_121215521_iOS.jpg

 

Assembly of box to place mold silicone in.

Latex caulk to seal box to prevent leaks of silicone.

 

 


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#10 Gene/ZR1

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Posted 16 October 2017 - 09:59 AM

ROUND NO.7

 

20171016_121409876_iOS.jpg

 

An  inexpensive pin nailer used to hold box together, pin nails do not have a nail head, so you can just pull the box apart with ease.   


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#11 Gene/ZR1

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Posted 16 October 2017 - 10:14 AM

ROUND NO.8

 

20171016_122534920_iOS.jpg

 

Silicone mix, its like mixing snot and STP, sticky, messy no matter how careful you are.

Disposable gloves are a must.

 

20171016_122811074_iOS.jpg

 

wow!, was able to get 2 photos this time.

When you pour the silicone let it stream down slowly and self level.  

Do not pour the silicone on the mold. Let the silicone chase up against the mold preventing air pockets. 


Eldon Adams AKA Gene/ZR1
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#12 Gene/ZR1

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Posted 16 October 2017 - 10:21 AM

ROUND NO.9

 

20171016_124552244_iOS.jpg

 

Silicone all placed, cure time approx. cure is 5 hours.

Time to clean up the mess.

 

 


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#13 SlotStox#53

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Posted 16 October 2017 - 11:17 AM

Superb step by step/how to, watching with much interest & bookmarked for future reference & having a go :D

#14 Gene/ZR1

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Posted 16 October 2017 - 03:15 PM

ROUND NO.1O

20171016_193221207_iOS.jpg

 

Now lets peel back the clay that was used for the bottom perimeter seal.

 

20171016_193309628_iOS.jpg

 

With the bottom seal removed you can see the bottom of the tin race car.


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Eldon Adams AKA Gene/ZR1
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#15 Gene/ZR1

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Posted 16 October 2017 - 03:23 PM

ROUND NO.11

 

20171016_193500378_iOS.jpg

 

Bingo !, tin car popped out clean, and the silicone mold looks great.

 

20171016_194119838_iOS.jpg

 

Now a couple of sprays of mold release, now for mess no.2 mixing up the resin.

 

 

 


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Eldon Adams AKA Gene/ZR1
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#16 Gene/ZR1

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Posted 16 October 2017 - 03:33 PM

ROUND NO.12

 

20171016_194311481_iOS.jpg

 

Lets get this poured, again pour the resin into the silicone mold in one spot slowly  letting the resin to rise filling the silicone mold.

 

20171016_194537369_iOS.jpg

 

Let the resin self level,,we will check curing in an hour for de-mold time.

 

 


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#17 Gene/ZR1

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Posted 16 October 2017 - 04:04 PM

ROUND NO.13

 

20171016_204121768_iOS.jpg

 

Well, here's what we waited for the resin plug that will be used to pull bodies from.

Vacuum draw holes need to be drilled in various locations 

 

20171016_204236095_iOS.jpg

 

Both sides look good.20150126_151242000_iOS.jpg

 

ok, thats it fur now, will finish tomorrow, have to go to pet smart. 


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#18 slotbaker

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Posted 16 October 2017 - 05:48 PM

Excellent stuff, thanks for sharing.

Do you get any/much shrinkage from either of the 2 casting stages?

Just curious, what are the overall lengths of the original tin master, and your newly cast plug?

:huh:


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#19 Gene/ZR1

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Posted 16 October 2017 - 06:10 PM

Excellent stuff, thanks for sharing.

Do you get any/much shrinkage from either of the 2 casting stages?

Just curious, what are the overall lengths of the original tin master, and your newly cast plug?

:huh:

 

No shrinkage. but I will measure.


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#20 Samiam

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Posted 16 October 2017 - 06:36 PM

Gene,

 

Nice job. You took a 60 yr. old German tin toy and made it into something new. Thanks for turning my vision for this car into a reality.

 

From a post war "American Zone" made toy into a 21st. Century toy race car body. I'm stoked. :to_become_senile:


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#21 Gene/ZR1

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Posted 16 October 2017 - 06:40 PM

Gene,

 

Nice job. You took a 50 yr. old German tin toy and made it into something new. Thanks for turning my vision for this car into a reality.

 

From a post war "American Zone" made toy into a 21st. Century toy race car body. I'm stoked. :to_become_senile:

 

Tomorrow morning I will pull a body, hope it turns out good.


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Eldon Adams AKA Gene/ZR1
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#22 don.siegel

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Posted 17 October 2017 - 04:16 AM

Great tutorial Gene - at last I really understand the process! 

 

But as Maynard G. Krebbs used to say, that looks suspiciously like... "Work!"

 

Don 


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#23 Gene/ZR1

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Posted 17 October 2017 - 09:54 AM

ROUND NO.14

 

20171017_113330198_iOS.jpg

 

Had to use the end mill to make a deep cavity so vent holes could be drilled. Drill bits to short and would seize and break off in the mold.

 

20171017_121246605_iOS.jpg

 

You can see numerous vent holes drilled

 

Getting very close now to the objective.

 

 

 

 


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#24 Gene/ZR1

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Posted 17 October 2017 - 10:11 AM

ROUND NO.15

 

20171017_143555339_iOS.jpg

 

BINGO !, we have a body!, see nothing to it.

 

20171017_143633340_iOS.jpg

 

Nice looking little car.

 

Remember the body as shown is no better in detail than the original stamped tin car body, it was a copy.

What detail was in the original stamped tin car body is in the clear body. The original stamped tin car body had flaws from die stamping and are reflected in the repro. (what you see is what you get)

Overall this will build into a good looking race car. 

 

 

 

 

 

 


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#25 Gator Bob

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Posted 17 October 2017 - 10:25 AM

Outstanding Gene !!!


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