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Hull filling help

Old 12-18-2014, 02:25 PM
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Kamilkaze13
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Default Hull filling help

Hey people. Last month i decided to start building my first scale boat. The Antares Cabin Cruiser. As a very young person with no experience in boats im trying my best. Ive decided to make this a display model because of technical problems. Ive tried to make the hull as smooth as possible but after much painting, filling and sanding it still doesnt look good. My dad says to keep sanding it but i wanted some oppinion from people who have actual experience in rc building. Any suggestions would be really helpful guys. Thanks.
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Old 12-19-2014, 12:57 AM
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w3bby
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Your dad is right.... keep sanding!

Is this a kit you are building or building from plans?

Seriously, I admire you for starting a boat build of this type but if I were you I would start again and try to build the base form better. I see very few straight lines where there should be straight lines and huge holes in the filler.

As it is now you need to sand back to get the cavities as small as possible without damaging the underlying structure and get all straight lines straight. If you have to use filler to fill remaining blemishes then do so sparingly... It is easier to build up a shape gradually than to remove hardened filler. Use a filler that is easy to sand.
Old 12-19-2014, 04:02 AM
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What he said, but use a sanding block to avoid allowing the sandpaper to sand the bits that you don't want to sand any further.
Old 12-19-2014, 05:03 AM
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Thanks a lot. I'll keep sanding. This was built from scratch from plans from the Internet. what should I use for a filler? I was using hot glue, big mistake as the glue melts when sanding.
Old 12-20-2014, 04:58 PM
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From your reply it sounds unlikely that you are going to achieve a good finish with what you currently are working with. I would seriously consider starting again, it will probably take less time to get a better finish than continuing working with what you have. Think of it as a learning experience, we have all had to redo stuff at sometime during our modelling careers....

For glueing you can use a wood glue such as Titebond 2. For filler any proprietary wood filler that is easily sandable.
Old 12-20-2014, 05:24 PM
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Just finished doing everything again. Will post some pics later of the finished hull. Way easier now with some "experience" and the proper materials. Spent the whole day working on that with my dad and applied some stain. Used wood glue and wood filler.
Old 12-20-2014, 06:10 PM
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For a static model use drywall compound for a filler,if you went a harder filler add a little water based paint
Old 12-20-2014, 06:35 PM
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Blizard5 good to know. Used stain and tomorrow I will use some wood paint or whatever you call it. This hobby is pretty rewarding after all.
Old 12-25-2014, 08:52 AM
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Again, for harder filler, the drywall powder but add some PVA glue to the mix. Thats quite probably the wood glue you are already using. In the case of a static display model, the purpose of the model is to keep the paint the required shape, the paint is what is seen.
Old 12-25-2014, 07:16 PM
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Here are some pics. I still have some work to do with the cabin, gotta apply stain and sand, etc. Not a beauty but I'm satisfied. Ordered a real kit online today. The Billing Boats Waveney Lifeboat.
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Old 12-25-2014, 11:43 PM
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Nicely done with the rebuild. Thing you may not appreciate at the moment but having been there already myself I can say that you are learning some great things with these first builds.

I have been at this hobby almost 40 years and started with some similar builds (and some strange things like trying to make an RC model tug using concrete etc). You have certainly found a few things that work and do not work (Eg. hot-melt glue is fantastically easy to work with and almost useless in the RC world).

Keep up the good work and keep us posted!
Old 12-26-2014, 08:36 AM
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Justaddwata thanks. Building an rc tug out of concrete? Nice try. Ill keep posting pics.
Old 12-26-2014, 05:21 PM
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Huge improvement, well done
Old 12-26-2014, 07:50 PM
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Pics coming tomorrow.
Old 12-26-2014, 07:50 PM
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w3bby thanks.
Old 12-27-2014, 08:56 AM
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Pics after stain on the cabin. Not as expected but not too bad. The lighter coloured spots are epoxy that was left in there by accident and I couldn't sand.
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Old 01-02-2015, 10:36 AM
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The finished thing. Happy to finish my first build and with some experience. Thanks for your help guys. Here are some pics.
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