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Author Topic: SLC Paint  (Read 3396 times)

Offline Guilherme Souza

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SLC Paint
« on: November 04, 2016, 02:29:58 PM »
Dear All

Is possible to paint SLC ?

I would like to use in my E-Legacy  , apply in the wing sand with 1200 paper automotive  primer , paint and clear

Do you think this will work ?

Thank you

Guil

Offline john e. holliday

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Re: SLC Paint
« Reply #1 on: November 04, 2016, 06:26:13 PM »
Been done many times using dope, auto colors and Rustoleum.  Get a green scouring pad used for dishes and pans plus pots.  The shine off the SLC and paint it.  Better yet why not put colored tissue or silk span on and the  SLC per Larry Renger.  Finally Larry I'm starting a plane to do that to. H^^
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Guilherme Souza

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Re: Re: SLC Paint
« Reply #2 on: November 05, 2016, 04:47:33 AM »
Been done many times using dope, auto colors and Rustoleum.  Get a green scouring pad used for dishes and pans plus pots.  The shine off the SLC and paint it.  Better yet why not put colored tissue or silk span on and the  SLC per Larry Renger.  Finally Larry I'm starting a plane to do that to. H^^
Thank you John

I did not understand. Sometimes my English fail .
Some questions :

Do I need To use dope with SLC?
A friend told me that SLC is applied like monokote .

If is equal monokote after remove the shine Do I need to apply automotive primer or not?

The same friend told me that I can't use in wing tip . SLC does not do curves very well round parts . Is this right?

Thank you again and sorry about my English?

Guil

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Offline john e. holliday

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Re: SLC Paint
« Reply #3 on: November 05, 2016, 01:52:56 PM »
Go on line to the corehouse site.      home.earthlink.net/~philcartier     .  Phil has some info on the site, also there are some posts on here about using the SLC.  Myself I use a hot air gun on the wrinkles that appear.  But if you are going to paint over it the primer coats will make most wrinkles disappear.   Like any thing it takes practice and patience.   Do a search for SLC and plan on doing some reading and don't be afraid to ask questions.  Have fun.
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Guilherme Souza

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Re: SLC Paint
« Reply #4 on: November 07, 2016, 12:07:29 PM »
Today I did a small test

Apply  a piece of SLC in balsa and use 600 sandpaper .
Then painted  with DUCO ,

The surface is ok , I will apply clear to check the final result

I did a tape test and worked well

Thank you

Offline Fredvon4

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Re: SLC Paint
« Reply #5 on: November 07, 2016, 02:20:58 PM »
I wonder what an E legacy is...fully sheeted wing or open bay?

If open Bay I think (and I love SLC) it is too light for this application without Poly span or similar as first coating

If SLC over a fully sheeted wing...the hard part is a perfect wrinkle free adhesion...but the finishing is real easy

I use SLC a lot on foam wings and have great success with using it OVER an already painted surface as the final coat...BUT I did do two planes intending to paint the SLC

Perfect wrinkle free application
Wipe with alcohol
Wear gloves
Very light scuffing with green Scotch Brite pad
Wipe with alcohol
Get in dust free area
Tack cloth away any static attracted dust
Light mist spray first coat.. follow recommended flash time for the paint
Second heavy wet coat

I do not do concours finishes and have never polished out a paint job (on a model airplane)

I did this with dull military colors so have no idea what an intended glossy finish would look like

Larry Renger's idea of SLC over the top of a poly span finish is a good way to fuel proof and get shiny top finish without clear coats or polishing

NOTE SLC is light enough to shrink and SHOW EVERY defect or wood grain once shrunk

BUT Super Light Covering is just THAT and not tough enough for open bays IMO




"A good scare teaches more than good advice"

Fred von Gortler IV

Offline Guilherme Souza

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Re: SLC Paint
« Reply #6 on: November 07, 2016, 04:44:51 PM »
I wonder what an E legacy is...fully sheeted wing or open bay?

If open Bay I think (and I love SLC) it is too light for this application without Poly span or similar as first coating

If SLC over a fully sheeted wing...the hard part is a perfect wrinkle free adhesion...but the finishing is real easy

I use SLC a lot on foam wings and have great success with using it OVER an already painted surface as the final coat...BUT I did do two planes intending to paint the SLC

Perfect wrinkle free application
Wipe with alcohol
Wear gloves
Very light scuffing with green Scotch Brite pad
Wipe with alcohol
Get in dust free area
Tack cloth away any static attracted dust
Light mist spray first coat.. follow recommended flash time for the paint
Second heavy wet coat

I do not do concours finishes and have never polished out a paint job (on a model airplane)

I did this with dull military colors so have no idea what an intended glossy finish would look like

Larry Renger's idea of SLC over the top of a poly span finish is a good way to fuel proof and get shiny top finish without clear coats or polishing

NOTE SLC is light enough to shrink and SHOW EVERY defect or wood grain once shrunk

BUT Super Light Covering is just THAT and not tough enough for open bays IMO




Fred

Why I canīt use in open bays ? One friend use in a model and looks very strong .

Do you think that with time this can make holes in SLC ?

thank you

Guil





Offline Motorman

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Re: SLC Paint
« Reply #7 on: November 07, 2016, 05:15:14 PM »
I put polyspan lite on first to give the wing some strength then cover it with Coverite Microlite film, comes in colors so no need to use paint.

MM

Online Dan McEntee

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Re: SLC Paint
« Reply #8 on: November 07, 2016, 06:47:41 PM »
Today I did a small test

Apply  a piece of SLC in balsa and use 600 sandpaper .
Then painted  with DUCO ,

The surface is ok , I will apply clear to check the final result

I did a tape test and worked well

Thank you

    Your tests prove out that your procedure for painting you model will work. I think there is some confusion on your preference to paint the model. If you shrink the SLC per the instructions, it should be sufficiently strong. The other respondents are referring to a method that Larry Renger has pioneered combining coverings to avoid the mess and extra steps of painting and thus saving some weight. As Doc mentioned, a visit to Corehouse web site will cover all of your questions.
   Good luck with your project,
    Dan McEntee
AMA 28784
EAA  1038824
AMA 480405 (American Motorcyclist Association)

Offline Guilherme Souza

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Re: SLC Paint
« Reply #9 on: November 07, 2016, 07:39:25 PM »
Dear Dan 

I visited  the Corehouse web site , but  my plane is F2B not to Combat .
Iīm looking for a way so to save weight and time to prepare my E-Legacy

Thank you

Guil

Online Dan McEntee

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Re: SLC Paint
« Reply #10 on: November 07, 2016, 09:03:19 PM »
   The SLC covering would still be adequate for your needs, I believe. Painting it should be no problem, as your tests have shown, but perhaps you could cover another model to test it to satisfy you it will perform as needed. It is used to cover large open structure combat models that are put through high G loads. I think that if your wing structure is sound enough, it will perform as you expect. Others have used it this way before and I don't recall anyone ever having a wing failure while using it.
    Dan McEntee
AMA 28784
EAA  1038824
AMA 480405 (American Motorcyclist Association)

Offline Fredvon4

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Re: SLC Paint
« Reply #11 on: November 08, 2016, 09:18:07 AM »
I stand by my assertion that SLC is an excellent covering materiel BUT has limitations

Super Light Covering (SLC ) is real good on many 1/2a open bay type wings and a exceptional, easy to apply covering for foam or sheeted wings even on very large planes...

BUT I would never use it alone on a wing like a RingMaster or Twister without a layer of Poly first.. and when this is done (Thanks Larry R) you have a very strong/tight wing that LOOKS real good without the dope weight...

SLC alone does NOT have the strength of other heavier shrink covering like doculam, Mono/Ultra Kote for covering a 3"~4" X 9"~11" open bays

I keep hoping Phil Cartier will add his thoughts....

I like and use a lot of SLC

Super Lite and STRONG are many times mutually exclusive

Larry challenged all of us to try Polyspan ...no dope... and SLC top coat for a great looking glossy finished structure that was strong(er) and very lite...

I have experimented, and his method is sound and works well....BUT still, NOT as pretty as a professionally done 20 point polished finish the traditional way

"A good scare teaches more than good advice"

Fred von Gortler IV

Offline john e. holliday

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Re: SLC Paint
« Reply #12 on: November 08, 2016, 09:48:35 AM »
I have covered several planes with SLC and no problems.
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Chris Belcher

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Re: SLC Paint
« Reply #13 on: November 09, 2016, 03:27:24 PM »
I have a Gieseke Nobler (open bays) covered in SLC and all I did was scuff with a green scouring pad, got it REAL clean and painted with Rustoleum high gloss enamel...no primer at all. The trick is to use the "can" just like you would a real spray gun...even and pass the surface with every stroke. Total weight gain was 5 ozs!!! Plenty strong and looks great. The Moon bros used to do this with great results. Mine's not a 20 but it ain't no dog either.

Offline phil c

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Re: SLC Paint
« Reply #14 on: November 09, 2016, 04:34:58 PM »
All I can say is if you've built a Ringmaster and covered it with just silkspan and dope and the covering didn't break in the air the SLC will be equally strong.  The polyspan covering either over or under is way stronger than we technically need, but the polyspan does cover up a lot of minor blemishes in the wood underneath.
phil Cartier


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