Building Tips and technical articles. > Building techniques
Endgame IV Build
Mark wood:
--- Quote from: Ken Culbertson on September 15, 2024, 03:58:48 PM ---With it all glued together, no matter how hard you try not to, your mind starts to imagine paint schemes. These are two that were suggested patterned after Navy trainers. I am also thinking of something involving the flag of just gray with panel lines.
--- End quote ---
Everyone knows that yellow airplanes fly better.
Ken Culbertson:
Finally got it up to the point of the first pass of Blue Stuff (Super Fil). 30 minutes of putting it on and three days of taking it off! Let the dust begin!
Did my favorite big soft balsa fillets!
Ken
Don Jenkins:
I really like those big balsa fillets! Looking good Ken!
Don
Ken Culbertson:
Progress update. Construction is finished. Starting on sanding. First step is to fill every crack and crevasse with SuperFil. It looks like a lot, but it is actually a very small amount. All of the fillets, stab and wing are feather light balsa. I spread superfil over them to create the crust, rub it in with alcohol then sand it all off. I know the accepted method is to mask it off but I like the extra hardening of the wider area and how much better it feathers. Add to that having to build without the benefit of a proper workbench has resulted in a lot of places to fill! I found the three post on/on microswitch and have it installed so that I can plug in the Jeti box without having to disconnect the 2nd ESC.
Another 2 weeks of sanding and I will be ready for covering. My plan is a bit, perhaps allot, out of the mainstream.
I cannot use anything that has a smell. I have tried ModPodge but the final finish was not to my liking. I tried SLC over Polyspan which was good except for the curves and ended up no better than monokote. So, right now the plan is to use White Monokote on the wings and stab. Polyspan applied with Z-Poxy on the nacelles and fuselage with a slight overlap onto the monokote. I will try and put the actual finish over all of this with light coats low stink after hours so that the smell doesn't get into the AC. Finish will be light coatsI am open to suggestions on this. I need the aft fuselage strength. I built the fuselage from 1/16 with lots of "X" braces and I am not happy with it at all. I considered .5oz glass which may be lighter than polyspan. I will heat shrink the polyspan before rubbing in the Z-Poxy.
I am considering this for the paint. It comes in lots of colors. Has anybody tried this or something similar?
https://www.amazon.com/BELTECO-Odorless-Eco-Friendly-UV-Resistant-Substrates/dp/B0CZTS77D8/ref=sr_1_3?adgrpid=1338106215000375&dib=eyJ2IjoiMSJ9.6r2lxF8654OAhAkTg31z695l8AUxiQIQ1MdLka-od9ipVUKHe8Yex4_2fqXREK5m8LZ_MxeoRoNGqL1lp-w_5UUupeZ_GoZM2d5mYi_Zc3HHMhfskGsiZl_i4-ZcgpfEVfEnuaJ8G715dkg-hepu0AcUmdM5KTCZ8Z5JTsfnnyZ_kDjq11q-WkNo8FjTW-TpjJDvSkjAej7asWYcUxg2Wu5SD4OyXv06_0yszK5IVJ6rtBR61JO4QK0XZoanfmZzNNPt1Qbt_jbK0eE04pBcdupUrkEvkl7L0HUvLVUvTTI.h9047A5e-cfB0-mGfqVULbYzKxs4n2EmVHm0IjQZXHU&dib_tag=se&hvadid=83631877526041&hvbmt=bb&hvdev=c&hvlocphy=77349&hvnetw=o&hvqmt=b&hvtargid=kwd-83631982224536%3Aloc-190&hydadcr=343_1014977545&keywords=odorless%2Bspray%2Bpaint&msclkid=6d7807ce61fb1271d11a60feba02bbba&qid=1731255317&sr=8-3&th=1
Ken
Jake Moon:
Interesting stuff, Ken. On the odorless front, I have been using Eze Dope from Deluxe Materials over here in Singapore because regular dope isn't available. It behaves pretty much exactly like dope and I have been using it with both silkspan and polyspan. It's completely odorless and thins with water. The only major difference I notice is that it seems to take a couple more coats than regular dope needs. But since it thins 70/30 water/dope, I don't think there's much, if any weight penalty.
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