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Scratchbuilding

Started by Gigatron at 11-06-2009 7:58 PM. Topic has 7 replies.
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   11-06-2009, 7:58 PM
Gigatron


Joined on 01-19-2007
Posts 1,573
Making your own "visible" fuselage halves?

Hey gang,

After building the Revell visible B-17 and starting on a Trumpeter visible Me-262, I got to thinking that a lot more kits would be kind of cool as visible variants.

So, I started wondering about how you would go about making your own visible fuselage halves.  I'm assuming that vacforming is the only feasible way of doing this.  So then it comes down to material and technique.  What material is best - polycarbonate, acetate, etc.?  And instead of re-inventing the wheel, I'd vacform over the existing fuselage, but would that, effectively, enlarge the fuselage half?  How would I go about maintaining the correct size?

Thanks for any suggestions.

-Fred

 

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   11-07-2009, 12:00 AM
waikong


Joined on 12-04-2002
NYC, USA
Posts 2,120
Re: Making your own "visible" fuselage halves?
to make the the halve the same size, you need to first great a mold of the inside fuselage. A 'blank' I think it's called. You then vacumform over that.
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   11-07-2009, 7:34 PM
Gigatron


Joined on 01-19-2007
Posts 1,573
Re: Making your own "visible" fuselage halves?

I don't think that would work, though.  Most fuelages have different interior and exterior detail (at least with WWII fighters, anyway).

For instance, the B-17 has all the internal ribbing and molded on detail like O2 tanks and hoses and some wiring - things that wouldn't be on the outside.  Same with the Me-262.  Most kits have molded on cockpit sidewalls and such.  The outside might have panel lines, scoops, vents, sensor arrays - all kind of surface mounted detail that you wouldn't get from molding the inside.

-Fred

 

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   11-08-2009, 10:08 PM
tankerbuilder


Joined on 08-29-2008
Posts 480
Re: Making your own "visible" fuselage halves?
 Gigatron, HI; You need to follow the proffessionals here. The thing to do is cut windows? in the areas you want visible.You then can put clear inside or outside the windows. When you do the windows make sure they DO NOT have regular edges(no smooth holes here) Rough edges thinned to scale and painted either red or white, to offset everything inside.Check out the many models that graced the cover of this great mag. That should help you along.NOTE: the builders DID NOT put clear plastic in their windows.I do to keep dust out.    tankerbuilder
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   11-10-2009, 8:41 PM
Hans von Hammer


Joined on 06-26-2008
Iowa
Posts 5,769
Re: Making your own "visible" fuselage halves?
Just FYI, What Tankbuilder is talking about is a "Cutaway"...


Colonel, 55th FG
Great Plains Wing
Commemorative Air Force
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   11-12-2009, 1:21 PM
EasyMike


Joined on 03-31-2008
Horse Cave, KY
Posts 396
Re: Making your own "visible" fuselage halves?
 Gigatron wrote:

...I'd vacform over the existing fuselage, but would that, effectively, enlarge the fuselage half?  How would I go about maintaining the correct size?...

 

Yes.  By the thickness of the material you are forming with.  The next step would be to vac form a new fuselage half inside the one just created and that would get you back to the original size.

Smile [:)]

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   11-13-2009, 2:56 PM
Gigatron


Joined on 01-19-2007
Posts 1,573
Re: Making your own "visible" fuselage halves?

Hey Hans, it took me a day or two before it dawned on me.  at first, I couldn't imagine why there would be irregularly shaped windows Laugh [(-D]

EasyMike, is it possible to vac form into a negative space like that?

-Fred

 

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   11-17-2009, 8:57 PM
qarloclobrigny


Joined on 02-13-2008
atlanta, ga, usa
Posts 47
Re: Making your own "visible" fuselage halves?
yes it is possible. i believe they call that a "female".  there is some info on doing that available.

thark you, stupid warhoons
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