CDC Dun

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CDC Dun

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MATERIAL:


Hook:
dry fly hook 12-18 (we’ve used Tiemco531, #12),
for standard #12 is difficult to find enough long stripped quill (when you tie)
Thread: brown 12/0, thinner is better,
you can make more turns without change of the shape.
Tail: few fibers of Cock de Leon
Body: stripped cock’s quill, brown, olive, cream
any color to match the body of natural
Cover of thorax: polyacrilic thread,
when laid down it will divide the wings
Thorax: rusty brown dubbing (Fly Rite floats great)
Forewings: CDC fibers in bunch
Front wings: CDC points with some quill in the center.

Here is our choice for step by step tying. It is variation of “No hackle” but improved with spread tail,  quill body and divided CDC wings. By choise of appropriate hooksize and colour of the body and thorax you can imitate many upwinged (Eintagsfliegen) flies. Illustrated pattern will match closely naturals on the depicted photos, but also many others.
Some of naturals which can be imitated with this pattern:-BWO, Blue winged olive, Ephemerella male imago, Ecdyonurus Venosus male imago, Leptophlebia female imago.
This imitation of upwinged flies seems simple but inside are hidden many tips for better tying.

Step 1

Step 2

Step 1
tie the tying thread in the middle of the
hook shank

Step 2
spin the tying thread first, so it will have
“O” shape-not flat like belt, this will make
easier to build small ball and turns will not slip

Step 3

Step 4

Step 3
Cock de Leon fibers are wrapped
(not strong) with 1,5 turns of the tread

Step 4
tight the thread close to the ball so the fibers
will spread in (hopefully) horizontal plate,
secure it with few more turns

Step 5

Step 6

Step 5
stripped steam (quill) of cock’s hackle was
sinked few minutes in warm water to mollify
and prevent braking of the quill Note:
after completing the fly if you wish to
varnish the body, first wait the body
to dry out, otherwise varnish will brake
on moistured surface

Step 6
wrap the quill along the hook shank and
tie 6-8 strands of polyakrilic thread
(usually used for body of the flies)

Step 7

Step 8

Step 7
take 2 similar CDC feathers, 3-4cm long,
put them in parallel position and strip the
fibers close to the root part Note:
leave 1-1,5 cm point part unstripped
for later use and making the front-main wings
 

Step 8
line up the stripped CDC fibers and
unstripped, squeeze all and than strip
the other side of the feathers close
to the root part

Step 9

Step 10

Step 9
Now between your fingers are fibers from
both sides, they in same line and easy
to clean the root part

Step 10
tie the bunch of CDC fibers on a half so every
fiber appears twice when raised in up position.
Now you have enough dense fibers for fore,
hind wings

Step 11

Step 12

Step 11
now tie both points of CDC on each side,
they  will represent main front wings,
quill in the tips will support the wings
in upright position

Step 12
apply small amount of dubbing behind and in
front of the wings, to form thorax, than
separate the bunch of CDC fibers to equal
amount left and right, separate the points
of CDC and lie down the polyacrilic thread
over the thorax. This will separate the
wings in “V” position

Step 13

Step 13
press (join) the wings with fingers of your back lleft hand
and trim back line to make natural shape of the wings

 

Step 14

Step 14
final

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All used materials are natural, spread fibers of cock de Leon gives good stability when the fly lie on the water surface, segmented body is very realistic–clue for experienced or selective trout, specially on calm-flat parts of the river; floatable dubbing in thorax absorb floatant and support it to water surface, CDC wings are magically attractive and undistroyable (wash out the blood and apply floatant after each fish).

We hope all colleagues will have fun during tying but much more fun is promised with the same fly pattern on the water.

Thank you for the attention and best wishes to all of you.
Sincerely

   Nadica and Igor Stancev

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Fotos/Beschreibung: Nadica und Igor Stancev
Layout: Eva Geigl/Royal Flyfishing