From: Doug Conn <dwconn...@comcast.net>
To: rctankcombat@googlegroups.com
Sent: Thursday, January 8, 2009 11:50:22 PM
Subject: [TANKS] turret molding question
Hello –
A couple of weeks ago I mentioned my plan to build a turret mold. I haven’t decided yet if I’ll use fiberglass or vacuform. I thought I’d build the mold and then drill vent holes (and hollow it out a little) if I decided to use vacuforming.
I want to use layers of ½” or 3/8” MDF to build the basic turret shape and then fill the stair-step gaps with filler and sand until I have the right curves. The diagram below shows what I’m thinking in cross-section. The yellow shows MDF and the blue is filler material.
At first, I was going to use Bondo as the filler material but now I’m thinking that is overkill. I may be able to get away with something easier to work with like spackle or water putty (http://www.waterputty.com/ ). What do you think ? Any thoughts about what kind of filler would be appropriate ? I know I’ll need to polish like crazy if I make this a fiberglass mold.
Thanks a lot,
Doug
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