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Building Tips and technical articles. => Paint and finishing => Topic started by: Matthew Brown on November 27, 2017, 08:57:37 AM
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Aside from a bit of sanding, my Twister is ready to start the finishing process. I did a 45 degree scarf joint to extend to fuse and I am concerned if it is sufficiently strong as is. Normally all I ever do is cover with one of the generic films but I worry about that scarf joint. I was thinking about trying some carbon veil but that requires doping or painting of some kind. My wife can稚 tolerate any kind of paint fumes and I have nowhere else to paint.
Any other ideas?
Thanks,Matt
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I have laid down 1/64 ply, lite CF veil, or the thicker CF veil many times with thinned wood glue.... some times the thinner finishing resins like Z poxy... very little oder
That said, If the scarf joint was done right.... I doubt it will ever break at the Balsa JOINT...
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Use epoxy. The fumes are minimal.
Composites don't care what media attach it to the surface, just as long as it stays attached.
CA glue works as well.
Good luck.
Target
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You'll be just fine with a 45 degree scarf joint. No need to overthink this.
Proceed on with your covering.
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You'll be just fine with a 45 degree scarf joint. No need to overthink this.
Proceed on with your covering.
Thanks Brent. I sorta thought so but I知 never sure. Always easy to ask others opinions.
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I don't think doped CF veil does much strengthening or stiffening. .56-oz fiberglass is much better, and if you really want things to stiffen, as well as reinforce your joint, you will do much better with epoxy. Locally, you can just mix up some 30-minute epoxy adhesive. For the entire fuselage, something like West Systems is ideal. I tried "Smooth and Easy" once for a landing-gear layup and found it too flexible. The drawback to epoxy is mess and finishing, which require you to minimize the amount of resin used and do some careful sanding. If your joint is 450 vertically, that's probably already quite strong enough, if you just used epoxy in the joint.
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Don稚 recall whether I used epoxy or Titebond......
Matt
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Tite-bond should be okay.
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You'll be just fine with a 45 degree scarf joint. No need to overthink this.
Proceed on with your covering.
+1
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Sadly, it痴 a moot point. We lost our home to a fire today along with the majority of my modeling stuff.
Matt
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Sadly, it痴 a moot point. We lost our home to a fire today along with the majority of my modeling stuff.
Matt
Matt, so sorry to hear this! :-[
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Sadly, it痴 a moot point. We lost our home to a fire today along with the majority of my modeling stuff.
Matt
That's awful! So sorry to hear this.
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Matt, so sorry to hear this. Hope you all are okay and will be added to prayer chain. Once you are set up with living quarters and a place to work let me know.
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Matt, I'm very sorry to hear this. I read that and was stunned. I can't even think of what to say other than that.
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Good news today! I was able to salvage my Twister. It was somehow shielded from all the water from the firefighters. It stayed 99% dry. Both my Primary Force kit and my Pathfinder kit are both waterlogged though along with about 20 or so RC kits.
Matt
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Glad the twister survived.
Bummed about the rest, I hope your insurance hooks you up with replacements of what is replaceable....
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So far, insurance people have been fantastic. The hard part is going to be itemizing everything that I owned.
Matt
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I need to do that myself before I experience a break in or a similar happening.
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Awful!!!! I'm so sorry to hear of your home loss. The Twister must be the farthest thing from paramount in the scheme of things. For others, I should have recommended thin CA for the 45-degree joint itself, since it wicks outward, strengthening the balsa and easing the stress riser. I do hope that you will be sheltered and have a great new start. It is the loss of so much from your life that must hurt most, but 'so very glad that you and the family are not injured. 'best wishes for everything in a smooth transition.
SK
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Wake up call for a lot of us procrastinators
Years back brother dies suddenly in an accident... no good will to find...super big PITA for me as Executor...there is a hint here
Same with a few co-workers or other acquaintances with bad storm damage or house / shop fire
Insurance claims go a LOT faster and more complete if you keep a very good log of all the STUFF...when bought and price paid
Very hard to do this comprehensive list for my hobby shop, my wood working shop and wife's Quilting shop let alone the main house.
Took me three years on and off the get my airplane shop inventoried
Still trying to find a way to Value a built up flying model like a Nobler.... I actually keep some of the old original Model kits in my over large Gun safe as I don't want a $5.99 pay out for a 40 year old Sterling kit that has a real value of $150+
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Matt glad to hear things are working out. How about your tools and other stuff? D>K
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Matt glad to hear things are working out. How about your tools and other stuff? D>K
Drill press and bandsaw look to have survived as they were up off the floor but my belt/disc sander and scroll saw were fully submerged. I have a number of cordless tools, drills, Drexel etc that still work but not sure if their chargers are functional or not. Hand tools like pliers are fine but some may have some rust spots. That stuff is all still in the basement. Hopefully can get it hauled out this weekend.
I知 trying to look at this as just another of life痴 adventures, but it痴 one I highly recommend against! ;D
Matt
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I have a free standing fan that was outside all winter and was rained on. It works fine after just being re-squirted off with the hose then allowed to dry.
You might think about using a little compressed air on the power tools, especially if they were not plugged in when they were blasted with water.
Or if insurance is replacing it all, then maybe don't even bother.
Some of the power tool could be OK if not fire damaged, is all I am saying.
Best wishes brother Matt!
Vr,
Target