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Old Aug 19, 2012, 12:00 AM
Stirring the pot
johannlochner's Avatar
Port Elizabeth South Africa
Joined Jun 2008
4,011 Posts
Nice work Dave!
That plane looks great!
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Last edited by johannlochner; Aug 19, 2012 at 12:01 AM. Reason: plane to be.....
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Old Aug 19, 2012, 12:50 AM
working to the closest cm
jirvin_4505's Avatar
brisbane australia
Joined Nov 2002
2,121 Posts
Thanks for the photos

I haven't seen sheet wax used before?

Could you give more details of its use and purpose.

Cheers Jeff
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Old Aug 19, 2012, 01:00 AM
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Nor. Cal.
Joined Jan 2004
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I like it !
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Old Aug 19, 2012, 01:51 AM
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I learned how to use sheet wax while working in Grumman's Composites tooling dept. It come's in thickness's from .010-.250. and it come's with out an adhesive back or not. On the Tango I'm using it to give me a wing fairing joggle and a joggle for the nose cone. It save's you from doing alot of sanding on the plug in some cases. I'd rather spend time wet sanding the mold down to 2000 grit. And then compound it. The wax is very versitile and can be used for alot of different application's. go to freemanplastics.com I think. I'll double check that. Thank's for the compliment's.
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Old Aug 19, 2012, 01:54 AM
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I'm sorry freemansupply.com they have alot of neat tool's too.
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Last edited by prodjx; Oct 09, 2012 at 07:38 PM.
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Old Aug 19, 2012, 08:41 AM
No fuse too fat
slopeiron's Avatar
USA, CA, Redondo Beach
Joined Apr 2002
3,874 Posts
Nice work! I've used sheet wax in the past but never thought of covering the entire plug and cutting bits out to create the step downs. Hmmm... ideas spinning through my head about how I could have used that to create the canopy frame on the 109. Oh yeah, I'm keeping that.
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Old Aug 19, 2012, 09:32 AM
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I remember using the wax to simulate a built up area of a lay up and making what we called a locating template that would go on the final lay-up between the bag and the actual part. A vane attempt to make bagged part look like an injection molded part, it worked so so.
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Old Aug 19, 2012, 05:09 PM
Entropy is happening!
Jim.Thompson's Avatar
Bellingen NSW Australia
Joined Aug 2008
6,549 Posts
Sheet wax?

I like the way you have made the mould feet! I will copy that.
However, I'm still a bit puzzled by the use and application of the "sheet wax".
Is it pressed onto the plug to do the job of a more conventional release system? Or has it something to do with the final shaping of it?

Jim.
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Old Aug 19, 2012, 09:37 PM
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In the Tango's case any sort of irregularities in the plug can be blended you can even wet sand it. Just the warmth of your hand can make it stick to the plug. Of course I like using the the wax that has adhesive on one side. It also made it easier to put joggle's where I wanted to. Even though it is wax I still apply PVA just as a precaution. The backing paper has a shinny side that can be used to rub the wax and make it shinny as well.
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Old Aug 20, 2012, 06:26 PM
dougmontgomery's Avatar
Glendale,Az.
Joined Oct 2004
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Tango Drawings

Thanks Dave for Posting, I am so far behind you!!!! Here is what Dave started with!!!

Guess I will be busy cutting some wings and spar tubes-

Doug
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Old Aug 21, 2012, 01:05 AM
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You want to make a few of those wing set's. Today I pulled it apart, the plug is still intact. I won't post a photo or 2 yet till I totally detail the mold's. Basically they came out alright but I'm going to fill a void in the wing seat area while I'm detailing the other mold half. I hope to have a fuse done by the W/E, and a wing fairing to go with it. BTW thank's for the compliment's you did a nice design job.
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Old Aug 21, 2012, 07:45 PM
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Ok the rough part of the mold's are done, I still have some area's to detail and make it look pretty.
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