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A guide to making Vac-form kits

Need some advice, got a good weathering tip, discovered some great paints or tools?

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smeg1959
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Re: A guide to making Vac-form kits

#2

Post by smeg1959 »

The first link is right on cue with our discussion about John Adams and Aeroclub.
OTB ...
GB13 - Late 298 (Aeronavale), Bf109E-3a Strela (Bulgarian AF), ČKD LT vz.38 Praga (Slovakian Army)

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BigReg
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Re: A guide to making Vac-form kits

#3

Post by BigReg »

Those that know me are aware that I am, at best, an average modeller. However I do like vacforms and have built many of Densil Wade's Welsh models. The first one I built over 30 years ago was the Meteor and it's still in my collection.



I am going to post a 'How to' or maybe 'Maybe there is a better way..' as I build my second Welsh models Scimitar. This time with folded wings.
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David
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F_IV
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Re: A guide to making Vac-form kits

#4

Post by F_IV »

That looks beautiful! I wonder if there are any in our Divine scale?

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BigReg
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Re: A guide to making Vac-form kits

#5

Post by BigReg »

They are 1/144. Welsh make a wide range of Vacform, resin and mixed media kits.

David

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F_IV
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Re: A guide to making Vac-form kits

#6

Post by F_IV »

Ah whoops, I took it for 1/72 scale!

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BigReg
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Re: A guide to making Vac-form kits

#7

Post by BigReg »

Here are the parts for the Scimitar.
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The first task is to run line with a paint marker to establish a reference when I start sanding down the parts.
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I then cut the plinths out using large kitchen scissors.
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Then run a scapel around the edge of the parts and 'crack' the part free from the backing plinth.


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Now to chain drill the openings for the nosewheel and cockpit.
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And here are the parts ready for sanding down.
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David

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F_IV
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Re: A guide to making Vac-form kits

#8

Post by F_IV »

Impressive! There looks like bags of potential there. One of the advantages of the small scale is the sort of structural issues you normally run into in larger vac forms are much less of a challenge.

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BigReg
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Re: A guide to making Vac-form kits

#9

Post by BigReg »

As I built my first vac forms many years ago, probably when Angus was in short trousers, I have John Adams' Tee Al and pads.
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As you can see the Tee All makes a handle and the sticky pads hold the part whilst you sand like a maniac.
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Now I wet the 'wet and dry' and sand in circular motion.
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I sand down till the edges of the wings are flat, then use a sanding stick to thin the trailing edges,
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And after 30 minutes here we are ready for refining the parts
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David
Attachments
P1070170.JPG

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smeg1959
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Re: A guide to making Vac-form kits

#10

Post by smeg1959 »

The Scimitar is progressing beautifully, David. :mrgreen:

Like you, I grew up in an era where you had injection-moulded kits covering the mundane types and vacforms covering the esoteric. Whilst I did have a handful of Airmodel and Rareplanes vacforms in my 1/72 stash in the 1970's, I only ever got to building a Bf109Z (i.e. a vacform wing conversion). I'd started on a Rareplanes' Fokker G.I "Reaper" when I got the call to move interstate for postgrad study. Upon returning, it and its colleagues got sold. It wasn't until my little Welsh Models' Anson in the second Group Build that I tackled a vacform again.

All I would say is that if you've built the odd resin kit or are pretty adept at the injection-moulded stuff, don't discount a vacform. Yes, the cutting and sanding takes a while but the time spent is all worth it in the end. With many companies - including Welsh, of course - turning to resin, there are less vacforms out there nowadays. Doesn't mean you shouldn't try at least one.

PS. If that last statement doesn't get a response from our good friend Merlin Jones, nothing will! :P
OTB ...
GB13 - Late 298 (Aeronavale), Bf109E-3a Strela (Bulgarian AF), ČKD LT vz.38 Praga (Slovakian Army)

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