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molds

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  • Member since
    July 2014
molds
Posted by detailer 1 on Saturday, July 19, 2014 12:24 PM

trying to make a mold for ho scale locomotives side frames. 1/87 scale and lots of detail on them.what would be the best mold one or two piece or some other type thanks

  • Member since
    March 2003
  • From: Western North Carolina
Posted by Tojo72 on Monday, July 21, 2014 8:56 AM

Hello detailer,

I can't help you with your question,but this area that you posted  deals with issues with the forum,posting here, you probably won't get a lot of looks.

May I suggest,the General,or Techniques,or perhaps Scratchbuilding as an alternate place.

Well at any rate,I see you are new,welcome and enjoy the forum,and hopefully you will get your info.

  • Member since
    February 2011
  • From: St louis
Posted by Raualduke on Monday, July 21, 2014 4:00 PM

Is the detail all on one side? If so ,you might get away with a one piece

  • Member since
    July 2014
Posted by detailer 1 on Wednesday, July 23, 2014 5:40 PM

detail on both sides with lots of detail

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Thursday, July 24, 2014 8:53 AM

If you do use one piece, one sided mold, I advise still covering the open back with something after pouring the resin.  The mixed resin sets by heat, generated by the mix of chemicals.  Any air-exposed surfaces do not get as hot as the inside, and may remain tacky virtually forever.  I cover any single sided molds with a little block of particle board while it sets up, to prevent this.  Fill to completely full, maybe even oozing over a bit.  Push the block down hard to level the excess, and then let it sit for hardening.

BTW, I am contemplating a scratchbuild on one of the big contemporary Diesels, latest monsters, and do anticipate casting the truck sideframes too.  Wheels also, as seperate mold.

Don Stauffer in Minnesota

  • Member since
    July 2014
Posted by detailer 1 on Thursday, July 24, 2014 6:12 PM

thanks for the info going to give it a try

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