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Old Aug 24, 2012, 06:31 PM
Team30 Micro EDF
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Adelaide, Australia
Joined Apr 2004
11,173 Posts
Agreed.

You can see the images being viewed but like me - I don't want to look desperate posting" great job" "looking good" "wowie!" every single response. I'm following along and lovin' it.
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Old Aug 24, 2012, 06:53 PM
Registered User
Greenwood Indiana
Joined Jun 2004
691 Posts
Thanks for the encouragement, it helps a lot. I wish I had more time to devote to the project but usually I sneak in a little work here and there, then throw in a quick post in the middle of the night. I work a lot and the rest of my time goes to my family. Even though there is little time left it is very important for me to sneak into the workshop as a quiet stress relief every now and again. I must say I love to build, but I cannot wait to see this F-4 fly!
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Old Sep 04, 2012, 01:01 PM
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Greenwood Indiana
Joined Jun 2004
691 Posts
I built the parting plane for the other half of the intake mold. Now after the PVA dries and I add the other sides to it, then I can make the mold.
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Old Sep 04, 2012, 08:20 PM
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Greenwood Indiana
Joined Jun 2004
691 Posts
I finished making the sides and filled it up with tooling gel. Now to let it harden a little and then some glass.
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Old Sep 04, 2012, 11:12 PM
Houng-wen Lin
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Shijr, Taiwan. DungGwan, China. City of Industry, California.
Joined Sep 2001
19,445 Posts
Very impressive to your project keep going on!

Wish to see your sucess result, eventually!
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Old Sep 05, 2012, 08:33 AM
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Greenwood Indiana
Joined Jun 2004
691 Posts
Hopefully it will fly sooner than later. I glassed the mold, now I will let it bake in the hot garage and see how the inside looks.
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Old Sep 05, 2012, 05:07 PM
Team30 Micro EDF
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Adelaide, Australia
Joined Apr 2004
11,173 Posts
Hello Mr. Lin, so good to see you in the micro edf jet forum!

Dan, the good thing about posting your progress is it gives followers an appreciation of how much work is involved to make a micro composite model.
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Old Sep 05, 2012, 08:04 PM
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Greenwood Indiana
Joined Jun 2004
691 Posts
Thanks, this project is mostly about the building (even though I am looking forward to the first toss). So far I am at 10 molds with 2 inlet/exhaust plugs to go! Here is the inlet molds with just a little trimming to go.
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Old Sep 05, 2012, 08:31 PM
it wasn't me flying that plane
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United States, NC, Wilmington
Joined Mar 2011
704 Posts
Incredible work Dan!
Enjoying every pic...
When laying up parts do you prime the mold,paint or do you ever use your tooling jel for the first or second layer(after prime/paint)?
Or is it strictly for doing the outside layer of the molds?
Thanks..........Chris
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Old Sep 27, 2012, 09:22 AM
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Greenwood Indiana
Joined Jun 2004
691 Posts
This is a turning point in the project. I am going from making molds to making parts. The fuse molds are waxed with one layer of PVA. Next they get a light layer of primer. I tried just painting the molds but found the final jet to have a better finish when you prime and then paint the whole finished jet.
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Old Sep 27, 2012, 10:22 AM
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Joined Sep 2012
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nice plane ,Could I know the weight ?
maybe you need a real tough motor on it.^_^
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Old Sep 27, 2012, 06:29 PM
Team30 Micro EDF
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Adelaide, Australia
Joined Apr 2004
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Looking forward to it Dan.
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Old Sep 29, 2012, 07:48 PM
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Greenwood Indiana
Joined Jun 2004
691 Posts
I had to redo the coat of PVA, it got too thick in some corners and when it dried it pulled up. I sprayed on another coat of PVA and used little strips of paper towel to sop up any excess and that worked. After that dried I put on a light layer of primer.
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Old Sep 30, 2012, 11:31 AM
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stegla's Avatar
Guernsey
Joined Jan 2002
1,297 Posts
Hi Dan,

Still watching your work.

Do you thin your PVA and what with? I thought I read that you just poured it in and swished it about a bit?

Steve
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Old Sep 30, 2012, 12:44 PM
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Greenwood Indiana
Joined Jun 2004
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Thanks, I used to just apply it with a soaked towel. Now I use an automotive touch up gun. It provides a glassy finish but the vertical surfaces can get too much and run so I soak up the excess with small strips of paper towel before it dries.
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