[WWI] Airco DH2 Build

Stephen Auslender auslend at snet.net
Mon Apr 30 09:46:38 EDT 2007

Ah, thank you.
CDL stands for Clear Doped Linen.
So, now my next questions.
1) Although the linen is doped, does the color change in time due to
a) the bleaching effect of exposure to the sun?
b) the effect of the burnt castor oils being sprayed all over the plane from 
the rotaty engines. Yes this may not be relevant if the engine was a pusher.
2) Was there a significant noticable variation in the color of the original 
linen as it came from variouis factories during the war?
----- Original Message ----- 
From: "Douglas Anderson" <djandersonza at yahoo.com>
To: "World War I Modeling Mailing List" <wwi at wwi-models.org>
Sent: Monday, April 30, 2007 9:21 AM
Subject: Re: [WWI] Airco DH2 Build

> CDL = Clear Doped Linen
> Stephen Auslender <auslend at snet.net> wrote:   Paul,
> What does CDL stand for?
> Acronyms save a lot of time but it would be nice if you could use the full
> words at the beginning of the post and then the short versions afterwards.
> Stephen
> ----- Original Message ----- 
> From: "Paul Carpenter"
> To:
> Sent: Monday, April 30, 2007 5:37 AM
> Subject: [WWI] Airco DH2 Build
> Hi Groupies,
> Thanks for the positive feedback on my model. Sorry for the late reply - I
> have had my messages blocked for some reason.....computers!!!
> For Sperry,
> The CDL is a base coat of Vallejo "Sand". I pre shade the wing ribs and
> spars with dark brown and then apply the CDL colour. Then I wash over the
> whole surface with avery thin sepia ink - I use Pelikan Plaka and I am
> running out of this ink because it is no longer available here in 
> Australia
> :(
> The key is to keep the ink from drying with any watermarks - just "keep it
> moving" with a moist brush.
> Then when all is very dry, I dry brush with white oil paint - very lightly
> but enough to lighten the highest points - I apply this more liberally to
> the upper surface than the lower.
> The roundels on the lower side of the upper wing are done with pastel
> chalks, applied as a powder using a brush - hopefully this captures a sort
> of see through effect.
> I usually drill the holes in the wings for rigging so that all of the
> threads go through the bottom wing. This just made me sloppy and I never
> filled them in very well. On this model I drilled right through the upper
> wing - I had to do a good fill job on them as they would be very visible. 
> It
> was also easier to sand back the filler on the upper wing because the
> surface is convex.
> For Don, the cockpit coaming is moulded with the kit - Eduard do some 
> really
> nice work in this regard. The wrinkles in the fabric however are carved or
> scraped out of the kit parts using small chisels.
> Thanks all again for such flattering comments,
> Regards,
> Paul Carpenter
> ---------------------------------
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