[WWI] Caproni - Gabrieles

[Douglas Anderson]

http://forum.largescaleplanes.com/index.php?showtopic=25421&hl=autogyro

This article has an interesting method of "showing" the structure through
the covering material. Painted, but interesting none-the-less.

On 25 February 2010 15:26, Diego Fernetti <dfernet0 at rosario.gov.ar> wrote:

> Kevin!
>
>> Oh, man, that's great work.  I wish I could do the wings in resin like
>> that - would have made my life a 1000 times easier.  I tried it but did not
>> turn out - that is why I ended up rolling hot styrene around my wife's
>> grandmother's rolling pin - and hoping she would not catch me and use it on
>> my head.  How did he do his master?
>>
>
> Your method sounds adequate, unless you get caught and your head gets an
> undercamber like 1/72 wingribs.
> Gabriele seems to have used wood to make his masters. It's the common
> material to make them: as far as I know from other model mastermakers, they
> cut the wing blank from good quality wood, shape the upper features by
> sanding (even the inter-rib concavities) and leave a small thickness on the
> trailing edges. Later, when the mold for the resin is done (both if the
> resin becomes the master for vacforing or to casting the final piece) they
> cut the mold to achieve a thinner trailing edge and if needed, add the wing
> underside surface from another similar master pattern of the same plan shape
> but with the underside features. A lot of work!
> There was a Russian modeler who made the tricky Caudron wings in
> transparent resin, and that's where it really was justified to make a resin
> copy of the stryene/wood master for just one model. The resin wing had a
> hacksaw blade as a spar embeeded to avoid sagging and the trasnpaerent
> material simulated later the translucent nature of the prototype.
> For common models (i.e. with typical rib profiles and mostly opaque wings)
> Harry Woodman's method is still the simpler and best looking alternative.
> D.
>
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