**DISCLAIMER**
HOT GLUE WILL NOT STICK TO MINWAX!
BE SURE TO GLUE YOUR AIRPLANE TOGETHER BEFORE APPLYING MINWAX.
Protect your scratch built foam airplane from moisture! David and Josh share a quick tip using Minwax Polyurethane.
Do not want to use the water-based version, this Clear SEMI-GLOSS Fast-Drying Polyurethane works best.
Using a brush, you can brush on the Minwax.
**DISCLAIMER**
HOT GLUE WILL NOT STICK TO MINWAX!
BE SURE TO GLUE YOUR AIRPLANE TOGETHER BEFORE APPLYING MINWAX.
Allow the Minwax to absorb into the paper for a short time and then with a dry cloth, wipe off the access and allow the board to dry.
Your plane will now be water resistant! And your foam board will be much less susceptible to humidity.
With your foam board surface coated with the Minwax the liquid will run off surface. Hot glue doesn't stick to the Minwax very well so you will want to peel back the coated paper surface if you need to glue repairs or assemble your airplane.
When water gets on your untreated foam board it soaks in and can warp and wrinkle the paper surface.
All of the foam board and speed build planes that you see on Flite Test are treated with Minwax and it's worked out great and our planes hold up even better.
We'd love to hear your tips! Leave a comment or post an article and share some of your scratch build tips!
Minwax USA
For Europeans ;)
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Have you guys ever considered adding a small wooden plate to the speed build kits for servos. That we people could glue the wood plate and screw the servos to the wood for easy removal or replacement.
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When did this start.
Do I need to do this with my new speed build planes that I got today, or is this something you consider optional?
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In sweden I found the same product at Biltema.
http://www.biltema.se/sv/Bat/Kemikalier/Farg-och-Lack/Inredningslack-30554/
Good Luck!
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"CAUTION! CONTAINS KETONES, ALPHATIC HYDROCARBONS, PROPANE, BUTANE. DANGER! EXTREMELY FLAMMABLE. Keep away from heat, sparks, and open flame. Vapors will accumulate readily and may ignite explosively. Keep area ventilated during use and until all vapors are gone. DO NOT SMOKE- Extinguish all flames, pilot lights and heaters. Turn off stoves, electric tools and appliances, and any other sources of ignition. VAPOR HARMFUL. Use with adequate ventilation. Avoid continuous breathing of vapor and spray mist. To avoid breathing vapors or spray mist, open windows and doors or use other means to ensure fresh air entry during application and drying. If you experience eye watering, headaches, or dizziness, increase fresh air, or wear respiratory protection (NIOSH approved) or leave the area. Avoid contact with eyes and skin. Wash hands after using. For skin contact, wash thoroughly with soap and water. In case of respiratory difficulty, provide fresh air and call physician. DELAYED EFFECTS FROM LONG TERM OVEREXPOSURE. Contains solvents which can cause permanent brain and nervous system damage. Intentional misuse by deliberately concentrating and inhaling the contents can be harmful or fatal. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. DO NOT TAKE INTERNALLY."
Seriously though, do this outside and wear gloves... =)
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Sounds good!
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Thanks
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Keep up the good work!
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I am from Switzerland and I have the same problem as you. I wasn't able to find any product delivering the same result as the minwax...
I have found this website where they ship worldwide. The shipping cost is twice the price of the product but why not... I've just ordered mine... Let's see!
http://www.thepaintstore.com
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Just received an email that there are unable to send over here...
Damned, I have to keep on searching!
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Tip: If you want to make it a 'wipeable' variety, then just cut it about 50% with white spirit.
FWIW, the finish is fuelproof too :-)
Cheers
Neil
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For my European friends who's got trouble to find or import Minwax, the following product is more or less similar.
After some search on the market here in Switzerland looking for something containing polyurethane (not easy because they don't write the component anymore, maybe not eco friendly enough), I have found something :D
I believe this product is available in most European countries: "V33 Vernis Intempéries" (litteraly: Unclement Weather Varnish)
http://www.v33.ch/vernis-exterieurs/b.-vernis-intemperies,610.html?&vars=cHJvZHVpdF9pZD02OTg%3D
And it looks to work as good as the Minwax concerning water repelling. I did not try to paint it yet. I will update you on that as soon as I try.
Have fun!
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or plastic lacquer, e.g. http://www.amazon.co.uk/Plasti-kote-400ml-Super-Clear-Acrylic/dp/B002HMQE72/ref=sr_1_1?ie=UTF8&qid=1376810616&sr=8-1&keywords=plastikote+lacquer
Not tried it myself, I was just wondering if the results would be similar.
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Is there and alternative product available in California?
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http://www.nonpaintstore.de/de/de-ijssel/de-ijssel-pu-silkgloss-varnish-1000-ml?pk_campaign=google-ps-de&pk_kwd=De-IJssel
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By the way, I'm wondering if some of the alcohol based paints used for spraying the clear lexan bodies for RC cars will work? This could bypass the minwax waterproofing step. I imagine that the paint when dry should repel water. It sprays fine over depron.
Just need to use less tacky tape when masking for details and graphics. It's no fun when you peel the paper away from your model.
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http://www.mitre10.co.nz/shop/paint_decorating/interior_paint/bondall_monocell_stain_varnish_500ml_cedar_114788/
and does it matter what kind of wood it is made for as long as it seals it?
OR: is there any other sealant in NZ that's reasonably cheap that will work??
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In australian markets the best product i have found is Cabots Cabothane Clear. comes in a 250ml tin for $10 and will coat 10+ planes with relative ease. the best application method i have found is actually to apply with lint-free cloth like a tea-towel or polishing cloth. apply generously, wait 5 mins then wipe off and leave for approx 45 mins. it will still feel sticky to the touch but this helps your oil based sprays to stick like crazy and has no bad effects. tape off your surface before application if you only intend to use this as an undercoat as when the tape is removed it creates a nice line and you will not suffer dis-coloration of the polyurethane over time.
once again, Australian market = Cabots Cabothane Clear available at Bunnings. :D
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What spray paint would you recommend once I've used the Cabots Cabothae Clear?
Cheers
Jase :)
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www.maszynoimpex.com.pl
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So where did I go wrong? Did I not let it dry long enough? Seemed dry when I started in with the latex paint. The input I got was that once treated with Minwax, pretty much any paint will work...not in my case, unless of course the Minwax hadn't fully cured. Not sure...
LM
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Also I am not using the water based Minwax and I also did not drench my foam board in the Minwax. Any ideas will help.
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