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Model Forum / General / Rockets / February 2006Glaze/sandable filler for body tubes
What's best for preparing paper body tubes for a super-smooth finish? Something to fill in the little spiral gap in the paper cover as well as any low spots. I'm sure a few coats of primer would do the job, but that's a lot of sanding. Is there anything like a thin, brushable 'bondo' that sands off easily? Rick > What's best for preparing paper body tubes for a super-smooth finish? > Something to fill in the little spiral gap in the paper cover as well as [quoted text clipped - 3 lines] > > Rick Not just "like" Bondo...but *is* Bondo. Try one of the two products (they are actually the same thing, both being made by the RPM Co.) 1) Testor's (red) model filler-putty (Found in any good hobby shop... *avoid* the WHITE putty) 2) Bondo (red) Glazing And Spot Putty (Found in any good auto-supply store) Thin these with lacquer thinner, or Testor's Liquid Cement (the type in a bottle, for plastic models). Thin to the cliched consistency of milk, or heavy cream...and brush it on. In my experience, the adhesion tends to be a small tad better using the Testor's Liquid Cement...but, you will get a lot more mileage with the lacquer thinner. There *will* be some shrinkage, but this is minimal when applied in thin coats...and when done this way, each coat is basically dry in 30 minutes.  SignatureGreg Heilers Registered Linux user #328317 - SlackWare 10.2 (2.6.13) AUS ..... He gets it from your side of the family, you know. No monsters on my side. -- Homer Simpson Treehouse of Horror II >> What's best for preparing paper body tubes for a super-smooth finish? >> Something to fill in the little spiral gap in the paper cover as well as [quoted text clipped - 24 lines] > but this is minimal when applied in thin coats...and when > done this way, each coat is basically dry in 30 minutes. Greg, that is some *great* advice! I've been using the stuff for more years than I care to mention but never thought of thinning it! Thanks, Dave >>> What's best for preparing paper body tubes for a super-smooth finish? >>> Something to fill in the little spiral gap in the paper cover as well as [quoted text clipped - 30 lines] > Thanks, > Dave Funny...how often you hear that. I guarantee...that once you then it, you will be asking yourself: "How did I ever use this stuff *without* thinning it?!" :o) SignatureGreg Heilers Registered Linux user #328317 - SlackWare 10.2 (2.6.13) AUS ..... He gets it from your side of the family, you know. No monsters on my side. -- Homer Simpson Treehouse of Horror II > > Is there anything like a thin, brushable > > 'bondo' that sands off easily? > Not just "like" Bondo...but *is* Bondo. Try one of the > two products (they are actually the same thing, both being > made by the RPM Co.) > 2) Bondo (red) Glazing And Spot Putty I have a tube of this - Bondo brand - that I use with rockets. I like it 'cause it dries fast, and can be sanded in as little as 20 minutes. I tend to only use it for last minute filling. Otherwise, it's FNF and then wait overnight before sanding. That said, when I hear "Bondo" I still think of polyester body filler, the pink stuff with the separate hardener. It's kinda like Kleenex or Velcro. The brand name is almost too recognizable. Doug Elmer's Fill'n'Finish Wood Filler. It is their normal wood spot filler, but with microballoons. Thin it to slightly thinner than pancake batter consistency with water, then paint it on to the tube. Let dry then sand almost all of it off. Easier to deal with than Bondo. Roy nar12605 > What's best for preparing paper body tubes for a super-smooth finish? > Something to fill in the little spiral gap in the paper cover as well as [quoted text clipped - 3 lines] > > Rick |
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