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Hot Topic (More than 10 Replies) Dumas kit #208 Tiger Moth (Read 591 times)
Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #20 - May 10th, 2022 at 1:07pm
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Thanks Thymekiller, I thought hardest part of this S&T model would be the covering, but as it turned out the fuselage was, joining 1/16 square timber with simple butt joints, stringers coming apart breaking. Had success using card for the engine cowling.

Bring on the  DV Albatross
  

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thymekiller
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Re: Dumas kit #208 Tiger Moth
Reply #19 - May 4th, 2022 at 4:32pm
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Bi-planes are not easy. Yours looks great!
  

",,,The road goes on forever, and the party never ends..."
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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #18 - May 2nd, 2022 at 1:54pm
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Been a while since last posting, on holiday Minorca and practising with £30 airbrush and compressor before spraying wings and sticking them on. Still quite light despite lime carvings but too heavy to fly.
  

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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #17 - Apr 11th, 2022 at 10:41am
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Thanks for the tips, I read about tissue grain and used this when covering the wings and tail.

So many variables, wet or dry, strength of misting solution etc might try stronger strength misting on tail with 30% Eazy Dope can always redo skinning. Not painting isnít really an option as I missed removing charring on some ribs found wing really fragile in places well thatís my excuse.
« Last Edit: Apr 11th, 2022 at 1:53pm by Slowhand »  
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thymekiller
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Re: Dumas kit #208 Tiger Moth
Reply #16 - Apr 7th, 2022 at 6:54pm
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9th one down in the section on tissue and covering is a nice bit of info on grain direction. I used to have a series of pics showing the differences in various places but I cant find them just now, of course.

Hope this helps.
  

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thymekiller
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Re: Dumas kit #208 Tiger Moth
Reply #15 - Apr 7th, 2022 at 6:48pm
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Not sure if this will help, but it helped me  so I share it.
Did you know tissue has a grain pattern?
It shrinks more one way than the other.
Sometimes you can use this to your advantage.
I have never tested ez tissue, but I have tested many other kinds. The best way to test is to tear it. One way tears straight and and cross grain tears all crazy.
Another trick is to not pull some parts as tight as others.

Hope this helps. Love the Moth'
  

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MKelly
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Re: Dumas kit #208 Tiger Moth
Reply #14 - Apr 1st, 2022 at 8:56am
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I recently tried Eze Dope and was ultimately pleased with the results.  On the first wing I applied the tissue wetted with 5% Eze dope solution - it shrank up very nicely but pulled the trailing edges in a bit. 

For the next model I wetted the tissue with 5% Eze dope, blotted it a bit on paper towels, then let the tissue dry unconstrained to pre-shrink it.  Using glue stick as an adhesive I then spritzed the tissue lightly with alcohol/water mix and applied it damp to the framework.  This gave a gentle but sufficient shrink, leaving the tissue taught with no structure distortion or wrinkles from the tissue pulling in the structure.  Sealed it with three coats of 30% Eze dope.

This was done using Eze tissue - I haven't tried Eze dope yet on Esaki or domestic tissue.

Your Tiger Moth is coming along nicely!

Mike
  
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Sky9pilot
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Re: Dumas kit #208 Tiger Moth
Reply #13 - Mar 31st, 2022 at 4:34pm
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I haven't used EasyDope for attaching tissue.  I still use gluestick and then shrink with Isopropyl alcohol.

Applying tissue is a learned skill that is progressive and requires continued learning don't ask me how I know! Embarrassed Cry Roll Eyes Shocked Wink
  

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Your attitude will determine your altitude!- John Maxwell
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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #12 - Mar 31st, 2022 at 1:14pm
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Wing before re skinning in top left
  

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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #11 - Mar 31st, 2022 at 1:07pm
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All 4 wings covered, shrunk and started on fuselage.

Still not sure what causes some wrinkles, imperfect skeleton, glue in wrong place too much glue. In first image marked† some creases but cut out top left panel and replaced.

Hoping when I paint with thinned Tamiya acrylics creases donít appear. Got spare panel made from unused bits to experiment with.

  

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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #10 - Mar 24th, 2022 at 3:42pm
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Well this is my first shot at covering a balsa wing after practising with tissue, balsa strips. UHU stick to fix tissue to leading and trailing edges and sticking permanently with 30% solution of Eze Dope painted onto edges. Tomorrow spray with 5% Eze Dope to tighten it up. Reminded me of doing a roll your own cigarette, carefully positioning the paper, sticking the edges down then savouring the end result slowly.
  

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alfakilo
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Re: Dumas kit #208 Tiger Moth
Reply #9 - Mar 13th, 2022 at 4:01pm
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Check out blueprints.com for three views of most aircraft. Excellent source of info.

https://www.the-blueprints.com/blueprints/
  
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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #8 - Mar 13th, 2022 at 1:01pm
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Thanks just what I needed.
  
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Sky9pilot
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Re: Dumas kit #208 Tiger Moth
Reply #7 - Mar 10th, 2022 at 10:25pm
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several 3 views show dihedral as well as most pictures.  For a trainer the dihedral would tend to make the aircraft more stable.
  

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Slowhand
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Re: Dumas kit #208 Tiger Moth
Reply #6 - Mar 10th, 2022 at 2:41pm
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Finished building the wings, took longer than expected as used up balsa cement and switched to Gorilla wood glue. Still some sanding to do. Decided to make it stronger by carving central fuel tank in lime wood.

instructions say dihedral on wings is this just for a flying model? Hard to be certain from pictures of real Tiger Moths looks like thereís definitely some on lower wings.
  

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