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Author Topic: Peanut newbie.. help?  (Read 1246 times)
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OZPAF
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« Reply #25 on: June 23, 2019, 08:47:51 PM »

Quote
Also use masking paper and white glue onto carved Foam bits;   apply ~ 8 layers ,
dig out the foam and it's essentially a molded Plywood shell. 
Easier and 'at least' as strong, light as a Vacuformed piece .
Without the trouble of setting up  my vacuform paraphenalia

That's a neat idea Fred but what actually is the masking paper you refer to?

John
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fred
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« Reply #26 on: July 01, 2019, 01:36:31 AM »

Thin Paint store masking paper comes as a roll (various widths available)
A fairly inexpensive and IMO ubiquitous. material.
As in I 've never given it's identity or availability a second  thought.. sorry.
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OZPAF
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« Reply #27 on: July 01, 2019, 09:12:45 PM »

Thanks Fred - I didn't twig to the fact that you were talking about masking tape as we call it. Still think it's a neat idea.

John
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fred
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« Reply #28 on: July 03, 2019, 03:56:54 PM »

Masking tape? As in the sticky backed stuff that comes in rolls  in  beige, green or blue  Shocked
NOT that .. just  Simple thin, strong, light brown  paper used for keeping paint off things like base boards/trim, whatever.
 Masking tape is the tape often applied to the edges of masking paper to stick it to things that you don't want paint on.
Masking tape is Useless for White glue laminating
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lincoln
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« Reply #29 on: July 03, 2019, 04:37:37 PM »

The web site is giving me a hard time, but maybe I can get this to go through.  Previous attempt said:
I've used tissue for creating molded parts like that, but it takes quite a few layers. Light kraft paper ought to work, too. Water based glues make it drape quite well. Using thin epoxy that dries hard gives you much stiffer parts, but it doesn't drape well like that. Maybe form with water and then use the epoxy? Some experiments I did years ago indicate that kraft paper and epoxy is as stiff for its weight as fiberglass and epoxy. That's partly because the paper is lighter so the same weight is thicker. I'm sure some other kinds of paper will work. Kraft paper is usually on the heavy side, but lighter weights are available


As far as those dime store airplanes that come in plastic bags, they can be easily souped up to fly quite well. I have a Guillows version that I've worked on, and it now does a minute. I thinned the fuselage and used the trimmed off piece to extend it. I cut the wing to add dihedral, moved it forward, and glued it on top of the fuselage. I also sanded the wings thinner. Decalage is less, too. With thinner, good quality rubber it does a minute or so. The following article shows how to soup up a similar model, though I don't think the Sleek Streak needs the extra dihedral as much as the models that come with one piece, bent wings.
http://www.nosf.ca/docs/heykid1.pdf
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Re: Peanut newbie.. help?
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OZPAF
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« Reply #30 on: July 03, 2019, 08:22:00 PM »

Well thanks again Fred - that does make more sense. Not a bad idea as well Lincoln - I'll keep that in mind as well.

John
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« Reply #31 on: July 03, 2019, 10:50:36 PM »

Struggling/bored under the effects of an ugly Cold , a gift from my  Cruise adventure.
  I decided to cover my wee model .. using 1.4 mil lam film as promised.
  No faffing about with Dope or misters  Zero wrinkles and I mean zero, it's  Dead easy to do.
 Ready to paint.. or not, as it stands and Few (no?) stubble bits can/will puncture it.  
 Even heavy rain won't faze it.
Added mebe  ~1.0 grams.
  Move over Esaki
 Yeah I know : It's not what Granpappy used ..
We are however,  well into the 21st century   Wink
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flydean1
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« Reply #32 on: July 03, 2019, 11:36:54 PM »

Looks like white tissue.  Neat!
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OZPAF
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« Reply #33 on: July 06, 2019, 08:36:49 PM »

Now that is an interesting approach at this size! Looks great. It shouldn't take as much paint either! 1.4mil must be almost the lightest mylar available other than the indoor lightweight film coverings.

John
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flydean1
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« Reply #34 on: July 06, 2019, 11:18:14 PM »

Where do you get that stuff, and is there a USA equivalent?
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The Wuffler
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« Reply #35 on: July 07, 2019, 09:24:42 AM »

Would I be right in thinking that mil is actually a thousandth of an inch and not a millimetre ...... most of the film this side of the pond is described in microns!!!!!
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Knightflyer
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« Reply #36 on: July 17, 2019, 11:15:23 PM »

Two words: Sleek Streak. Do peanuts & such when she's older. Those big foam gliders and a grassy slope are great for kids too.
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Knightflyer
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« Reply #37 on: July 21, 2019, 03:10:00 PM »

Progress
 pix.. so far

Nice! On the canopy, how did you do the vac-form? It looks like you cut the end off the bottle, then sealed somehow?
« Last Edit: July 21, 2019, 03:24:55 PM by Knightflyer » Logged
Knightflyer
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« Reply #38 on: July 21, 2019, 04:22:33 PM »

Planning on covering it with 1.4 mil Laminating film.. 17 to 20 gms sq metre .. dependant on who is weighing
 Dunno how that  compares to tissue, but same  (mebe less) weights as Airspan .. albeit a bit tougher

Japanese tissue I found quoted as 12g per meter, But that's without doping or anything.

How do you attach the laminating film? I'd been wondering what to cover with, as I haven't been able to find light tissue locally.
KF
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