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Old 09-22-2012, 02:53 PM   #1
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Patching damaged sheeting - a brief tutorial

While repairing a badly damaged wing I've had several opportunities to patch holed sheeting. Here's my process.

1. Mark a simple geometric shape around the damaged area




2. Trim away the excess balsa, beveling the cut in the process




3. Using the side of a pencil lead, shade the opening onto a piece of paper




4. Take a minute to check the required grain direction for your patch

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Old 09-22-2012, 02:54 PM   #2
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Re: Patching damaged sheeting - a brief tutorial

5. Trace the outline onto the patch




6. Cut out the patch




7. Bevel the bottom edges of the patch



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Old 09-22-2012, 02:55 PM   #3
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Re: Patching damaged sheeting - a brief tutorial

8. Glue the patch in place




9. Secure the patch while it's curing






10. Once it's cured, sand the patch flush if necessary.

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Old 09-22-2012, 04:15 PM   #4
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Thumbs up Re: Patching damaged sheeting - a brief tutorial

Hi John,

Thanks for these pictorials and your step-by-step repairs on the Hobbistar 60, valuable how-tos for a newcomers like me!

Much appreciated…

Michael
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Old 09-26-2012, 11:06 AM   #5
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Quote:
Originally Posted by The Violets View Post
Hi John,

Thanks for these pictorials and your step-by-step repairs on the Hobbistar 60, valuable how-tos for a newcomers like me!

Much appreciated…

Michael
++1
Thanks!
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Old 09-28-2012, 08:59 PM   #6
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Re: Patching damaged sheeting - a brief tutorial

Folks, I'm glad it's helpful.

Next steps...

Mix some Deluxe Materials Model Lite filler with water to create a paste just a little thicker than water.



Apply some filler to a palette knife and dab it into the cracks.



Flatten it out with the palette knife.



Note that this mixture sets well and is very easy to sand, so applying a little extra is no big deal.

A couple of other products I'm using, both from Lee Valley Tools:

35K09.10 - Set of 12 Palette Knives in Case
99W73.38 - Sanding Sponge Assortment, pkg. of 10
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Old 10-01-2012, 09:29 AM   #7
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Re: Patching damaged sheeting - a brief tutorial

As mentioned, this filler is very easy to sand.



It did a great job filling the gap on the patch, and it fills small scratches very well too.

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Old 10-01-2012, 10:33 AM   #8
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Re: Patching damaged sheeting - a brief tutorial

Nice patch job!

Should be almost completely invisible once you have it re-covered.
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Old 10-01-2012, 03:24 PM   #9
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Re: Patching damaged sheeting - a brief tutorial

If I remember correctly you were asking for advice not long ago and now you're giving it! Good on you!!!! Very professionally done and this kind of helpfulness is exactly what modelling is all about.

I'm going to read all of your postings.

JM
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Old 10-03-2012, 11:20 AM   #10
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Re: Patching damaged sheeting - a brief tutorial

Thanks for the props. After all the hobby has given me I'm tickled to be able to give something back.
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