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Old Aug 18, 2009, 06:18 PM
trexflyer is offline
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Carbon Fiber Kits on eBay


I found a guy selling carbon fiber kits on eBay with carbon cloth, resin, mold release wax, and other stuff. It looks like a good deal. I,m going to get a kit to try to make some custom stabilizers for my Trex 500!!
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Old Nov 10, 2009, 03:18 AM View Post
yhcomposites
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Old Nov 10, 2009, 10:39 PM
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Quote:
Originally Posted by yhcomposites View Post
Our company is a carbon fiber cpmposites manufactuer,Yuhui composites Ltd ,located in weihai China. For example,carbon fiber tubes,carbon fiber rods and so on.Our company has won a good respect and reputation in home. We are glad to make friends with you. If you have any need, please conact me.This is our website

I thought the link on the bottom right side of your page was especially relevant...

"Share two foreigners fried".

Tom
Old Mar 29, 2010, 08:59 PM
Wave Glider is offline
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Can some one point me to a thread that details making a silicone plug for a mold half?
Old Mar 29, 2010, 09:07 PM
jirvin_4505 is offline
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working to the closest cm
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silicone


Quote:
Originally Posted by Wave Glider View Post
Can some one point me to a thread that details making a silicone plug for a mold half?
Some info in the early supergee threads on handlaunch forum. I posted some picks when i made my SG fuz.

Probably have to use search - I think mothflyer posted some threads a few years back in handlaunch

cheers jeff
If you find the links post them here
Old Mar 31, 2010, 04:52 AM
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Paint not sticking


Hey guys, I was about to layup another wing in my mould but last night I laid up a flat sheet to use for hatches and when I pulled it out of the bag the paint just peeled of in one sheet. Ahhhh!

I am using a 2 pack automotive paint - paraglaze 606- that I left for about 48 hrs before laying the glass and carbon.
Maybe the paint cured too much???

Anyone had a similar problem?
I've now got wing moulds sitting here all painted but I don't want to lay it up until I'm sure it will stick.

Anyone got any ideas?
Help!!!!!

Shane
Old Mar 31, 2010, 07:13 AM
jirvin_4505 is offline
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2k paint adhesion


Quote:
Originally Posted by Iwanufly View Post
Hey guys, I was about to layup another wing in my mould but last night I laid up a flat sheet to use for hatches and when I pulled it out of the bag the paint just peeled of in one sheet. Ahhhh!

I am using a 2 pack automotive paint - paraglaze 606- that I left for about 48 hrs before laying the glass and carbon.
Maybe the paint cured too much???

Anyone had a similar problem?
I've now got wing moulds sitting here all painted but I don't want to lay it up until I'm sure it will stick.

Anyone got any ideas?
Help!!!!!

Shane
Yes Shane a common problem the adhesion of well cured 2k paint to epoxy.

Typically a molded wing is laid up within 24hrs - many posts will support this practice.

However i have had success leaving the 2k paint for much longer periods. I thank Chetosmachine for this. He reported success with layup on cured paint by prewiping it with thinners/acetone. This has been a reasonable success for me - I have had one episode of the paint 'frying' as i had rubbed the paint with 000 steel wool as an adhesion promoter.

I have read that 2k paint has a silicone component to promote flow when being sprayed onto a surface. The wiping with thinners removes/disrupts this flow agent.

Commonly there is the practice of applying the veil glass layer if time is short to complete the total layup.

Others spray a secondary coat of paint that doesn't have adhesion problems.
http://www.gliders.dk/how_to_build_a_moulded_wing.htm

Has a very good paragraph on paint.

cheers Jeff
ps probably need to start this in it's own thread as this thread is to link to other threads with useful info.
Old Apr 01, 2010, 08:43 AM
Wave Glider is offline
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I work with this stuff quite regularly at work. I think it could work as a silicone plug for a mold. What do you guys think?

http://www.sears.com/shc/s/p_10153_1...0070921x00003a
Old Apr 02, 2010, 02:17 PM
wyowindworks is offline
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Quote:
Originally Posted by Wave Glider View Post
I work with this stuff quite regularly at work. I think it could work as a silicone plug for a mold. What do you guys think?

http://www.sears.com/shc/s/p_10153_1...0070921x00003a
It's much easier to use something like this. It cures much faster and is pourable, giving you a voidless fill with a flat top.

Smooth-on

Adam
Old Apr 03, 2010, 12:12 PM
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Great, thanks!
Old Apr 20, 2010, 05:26 PM
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Instructional videos on this subject


Hi, Iīve found a couple of very detailed videos about carbon fiber, fiberglass and molding on youtube. They donīt necessarily build model airplane parts but they go through a lot of techniques that might work.

Links:
http://www.youtube.com/user/carbonmods

and

http://www.youtube.com/user/fibreglast

I particularly liked the carbon mods vids because they use the products available in their store, and it seem highly aplicable to making model aircraft parts.

Tell me what you guys think....
Old Jul 24, 2010, 04:51 PM
chris thorpe is offline
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I there
Can some one help!
I have the DVD by Cliff Barnes "Vacuum baging made easy" and in it he uses a strip type clip to seal the bag. Can anyone tell me where I can get these clips and what they are called?
Hoping someone can help
Chris
Last edited by chris thorpe; Jul 24, 2010 at 05:13 PM.
Old Jul 24, 2010, 06:16 PM
noobee is offline
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Quote:
Originally Posted by chris thorpe View Post
I there
Can some one help!
I have the DVD by Cliff Barnes "Vacuum baging made easy" and in it he uses a strip type clip to seal the bag. Can anyone tell me where I can get these clips and what they are called?
Hoping someone can help
Chris
http://www.acp-composites.com/acp-vbes.htm
QUICK LOCK SEALS

http://www.cstsales.com/vacuum_bag_seal.html
Bag Seal Clip
Old Aug 04, 2010, 08:03 PM
Jeramiah1945 is offline
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There's another US website selling kits as well, www.eastbaycomposites.com. They sell a molding kit and a carbon fiber kit. Never bought one but I like the instructional video.
Old May 30, 2011, 06:51 PM
jirvin_4505 is offline
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timbuc building warhead60 ds plank from scratch


Timbuc is continuing to develop his warhead ds planks.

https://www.rcgroups.com/forums/show....php?t=1446607

Describes the building the molds with videos from cnc machined mdf plugs.

cheers Jeff
Original warhead30 build from mdf plugs thread..
https://www.rcgroups.com/forums/show....php?t=1247117
Last edited by jirvin_4505; May 30, 2011 at 06:57 PM.


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