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TK2
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Re: Skiptown Cadet
Reply #14 - Jan 21st, 2023 at 1:26pm
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Great build!!
Love the pilot head!
  
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Sky9pilot
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Re: Skiptown Cadet
Reply #13 - Jan 19th, 2023 at 12:31pm
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As you say...too many videos on this foam molding! I agree with your assessment.  Thanks for the tip on kneading it first to stiffen it up.
  

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Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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uselessidiot
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Re: Skiptown Cadet
Reply #12 - Jan 19th, 2023 at 8:26am
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Just go to YouTube and search "light foam clay." There are a lot of videos for a lot of uses.  Too much, really.  The ones I found for miniature busts assumed you could sculpt, and the ones for sculpting assumed you had some artistic ability!

I got the 24 piece from Amazon and used some of the the bright colors to practice with.  It takes some getting used to.  You have to knead it some to stiffen it up at first.
  
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Sky9pilot
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Re: Skiptown Cadet
Reply #11 - Jan 18th, 2023 at 6:12pm
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You got a link to those videos?
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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uselessidiot
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Re: Skiptown Cadet
Reply #10 - Jan 18th, 2023 at 5:23pm
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You might be better off making it solid.

A coffee straw that a 1/16" sq stick will tightly fit inside weighs 3 times what the stick weighs.  I was going to use one for an exhaust and weighed to see.

I don't know if I saved enough weight to warrant all the effort.  You could probably drill it out but it is hard to cut and all once dry.  It IS light soft foam clay after all!

It takes a few days to dry all the way.  A ball around 1/2" dia is still wet in the center after 24 hours.  For the helmet, I made a ball and the next day cut it to shape and dug out the wet center.  I put that on the pencil, added a pink dot where the mouth would be and then made the face with the "skin" thin on top of the pink.  I cut the mouth with a razor knife and it was pink inside.

Practice with the clay.  You can mix colors, too.  There are some YouTube videos but they don't help if you can't sculpt!  I made a dozen before this and I'm not super happy with it.
  
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Sky9pilot
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Re: Skiptown Cadet
Reply #9 - Jan 18th, 2023 at 2:20pm
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I was wondering if a soda straw would be strong enough to use for holding the clay for modeling the pilots head and then the straw could be cut off just below the head.  This would add some additional weight I'm sure but not that much.
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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uselessidiot
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Re: Skiptown Cadet
Reply #8 - Jan 18th, 2023 at 10:31am
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I did the thread wrap thing like the plans said then glued the pants to the wedge.  That was the hardest part of the build!  Wrapping an angled piece is easier said than done.  In the future I will think of a better way.

I have my doubts as to the durability of the pants.  It should be an easy fix though.
  
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flyin brian
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Re: Skiptown Cadet
Reply #7 - Jan 18th, 2023 at 10:25am
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Beautiful job on the build.
Looks like you used something like a balsa sandwich to anchor those wheel pants in place?

Flying embryos is a blast!
Great for small fields, or indoors.
  
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uselessidiot
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Re: Skiptown Cadet
Reply #6 - Jan 17th, 2023 at 6:57am
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I made the pilot head on a pencil so it would be hollow.  The first one stuck real bad and ripped coming off.  I put a small amount silicone lube on the pencil for the second and still had to carefully work it off.
  

( 52 KB | 30 Downloads )
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uselessidiot
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Re: Skiptown Cadet
Reply #5 - Jan 17th, 2023 at 6:43am
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All the graphics were drawn in CAD and printed on tissue.  The louvers and grille were printed on silver tissue and glued on.  I used a drafting pen for the control surface outlines.

That is the same foam clay but the ones I got are in little zip lock bags.  It has to be air tight to keep from drying out so those tubs probably won't work as well if you want to use small amounts.

I didn't know if anybody would catch the BR-549.
  
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Sky9pilot
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Re: Skiptown Cadet
Reply #4 - Jan 16th, 2023 at 10:46pm
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Very nice and thanks for the L.E. clarification.  I meant to ask if the tisssue was printed as well?  I found this foam clay at Walmart: Click Here
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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TK2
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Re: Skiptown Cadet
Reply #3 - Jan 16th, 2023 at 6:09pm
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Looks great!!
Love the piliot.
Also love the color choice. Very nice call numbers.
  
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uselessidiot
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Re: Skiptown Cadet
Reply #2 - Jan 16th, 2023 at 2:11pm
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I did notch the ribs for the 1/16 x 1/8 leading edge, then added a very light 1/16 sq stick between all of them so I could sand a better LE shape.  A new trick I tried for the first time and it worked very well.

The ultra light foam clay is new to me also.  It is available on-line in packs of 24 colors and such.  It is like Play-Dough but a polymer foam.  Light and air dries in a couple of days.  My grand daughter loves it!  I used it for the coaming and headrest pad too.  I can see lots of uses.

No flights yet.  The next good looking day is next weekend.  It will be a month....
  
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Sky9pilot
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Re: Skiptown Cadet
Reply #1 - Jan 16th, 2023 at 1:06pm
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Great bones.  Did you notch the ribs into the leading edge?  Love the pilot.  Can you give more info on the foam clay please?
Great looking model, any flights yet?
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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uselessidiot
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Skiptown Cadet
Jan 16th, 2023 at 12:08pm
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My take on the Tom Nallen plan.

I used light soft foam clay for the pilot and coaming.  The pilot is 0.3g.
  

( 341 KB | 34 Downloads )
frame_001.jpg
( 315 KB | 44 Downloads )
FINISHED_01.jpg
( 325 KB | 30 Downloads )
FINISHED_02.jpg
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