Carbon F-4 Phantom 40mm - Page 7 - RC Groups
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Jun 21, 2012, 03:15 PM
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Practice on all of the other molds makes it look easy. I am starting to get the recipe perfected so only little tweaks here and there are needed. The fuse molds have been all trimmed up and a coat of primer is on the outside. I used 1/4" carbon rod for the alignment pins.
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Jun 21, 2012, 05:32 PM
Team30 Micro EDF
NitroCharged's Avatar
Why do you primer the outside?
Jun 21, 2012, 09:14 PM
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It makes it pretty, it makes it smooth so you do not puncture the vacuum bags, and epoxy resin looks nasty after a few years of UV exposure. It is really tough when you get a little pin hole in the vacuum bag and cannot figure out where it is coming from.
Jun 22, 2012, 02:56 PM
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Primate's Avatar
I am salivating here danj31. I can't wait to see the finished product!
Jun 22, 2012, 09:54 PM
Team30 Micro EDF
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Thanks Dan.
Aug 15, 2012, 03:18 PM
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This has been a busy summer but I started to work on the inlet molds. I am using scrap plexi to make a box around it and then I will fill that in with tooling gel and then fiberglass.
Aug 15, 2012, 05:50 PM
Team30 Micro EDF
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Any reason for plexi instead of ply like the base?

Don't sweat the breaks in the build Dan. Sometimes we actually do have to do other things in life.
Aug 15, 2012, 08:57 PM
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Honestly it is whatever scraps I have laying around that will do the job well, this mold is rather small. It all gets thrown away in the end, I prefer MDF, plywood, and plexi.
Aug 15, 2012, 11:52 PM
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I was thinking that something like plexi would be a more stable platform---Not being affected by humidity/temps...ETC...Perhaps I'm thinking too much??!!!???......

Aug 16, 2012, 09:17 PM
'Sit vis nobiscum'
Just amazing!!

Nice job,
Aug 16, 2012, 09:45 PM
Team30 Micro EDF
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Thanks Dan. Sometimes I think "Ooooh! new technique/material - must work better?"
Aug 17, 2012, 11:43 PM
Lipo abuser ... smoke on!
gp125racer's Avatar
You can't rush perfection! Absolutely amazing stuff, can't wait to see what else you come up with!

Latest blog entry: D100
Aug 18, 2012, 07:44 PM
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This stuff may look like voodoo but mostly Home Depot stuff I use. I just poured some tooling gel over the mold and after it got rubbery I added about a dozen layers of glass.
Last edited by danj31; Aug 18, 2012 at 09:20 PM.
Aug 21, 2012, 02:21 PM
Registered User
One more mold done ready for some wax.
Aug 24, 2012, 09:30 AM
it wasn't me flying that plane
Hover or die's Avatar
I have been looking and reading through your threads over the last day and a half and all I can say is you could write a book on composite jet building..
A big thank you for taking the time to write and post pics of your techniques..
This is not required but the fact that you take the time to do so is a blessing for us all....
THANK YOU for your time and effort explaining your way through these processes.............Chris

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