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gofish,ill

pop or rtv?

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im having a blast so far.heres my first attempts at carving some masters to make molds from.got another couple questions though..the one thats supposed to look like a goby (top right and by itself) would i be better off with the fins if i used rtv?not quite happy with it,cant decide if the head could be a lil fatter and might use something a lil thinner for the fins,would like them to be almost transparent but not rip off removing them from the mold lol. also is it worth carving details into them in case i at some point decide to sell some?have a few more im working on and cant wait to start pouring!...thanks

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I always say focus on the big details. Anyone should think of a few things when they think goby and these are the details you need to emphasis. Scales, etc... are nice but will be lost in my opinion because of the gobies main features in the head. RTV can be nice if a lot of undercuts and design elements to work as locks once a bait is cast. Where is the pic?

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Looks like you are off to a good start with the masters. Should be a good starting point for some lures.

Now the goby needs a little work, to be honest, but is a good first effort and shows you picked up on some of the fin detail. I would refer back to some photos. As is you have a nice representation of a killifish. The body shape is off. Do a search for round goby photos. I placed emphasis on the head on my goby representation.

1354046 - round goby, Neogobius melanostomus (Perciformes: Gobiidae) @ Forestry Images

http://eoutdoorventure.com/images/%5CGoby%20MNRPic.jpg

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i agree about the head on the goby,thought id left enough material for shaping when i made the templates.think ill try a lil different pattern for the dorsal fin too. whats about the thinnest i can make the fins and still pour them?..thanks

loco im planning on using pop for the simpler molds but dont know what would be better for the goby wannabe lol

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RTV is far superior, in my opinion, than POP...except for price. POP will cost under $10 for a small box...RTV silicone will cost about $30 for a small container. (14oz) RTV will produce a fleixble mold that will not crack or shatter. RTV will also produce a consistent finish on the bait with no need to re-coat the inside with glue. Lastly, RTV will reproduce EVERY MINUTE DETAIL down to the tiniest bump, dimple, ripple or line.

Just my humble opinion.

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Not going to find anyone disagree that RTV gives a better detailed mold and if not for the price many would use it instead of POP or durhams. The catch is that many lures don't need RTV for the detail. I have Durhams rock puddy molds that I have poured thousands of lures in that were coated once in devcon and still produce a bait just as nice as day one. A sluggo style bait for example. A properly done POP or Durhams Rock puddy will give just as good results as an RTV and when it comes to molding prototypes a huge waste of money to use RTV until the bait is all worked out.

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I find that PoP is as good at detail as anything else. I made an alginate mold of my thumb and then cast it in plaster. Every fault of my ageing skin, including the thumb print, was faithfully reproduced.

Although the price is painful, I still prefer RTV. I tend to do a lot of under cuts and never any problems removing the cast from the mold.

It seems to me that PoP requires an unwritten skill set. These skills are gained through lots of practise and experience. RTV is very forgiving, as long as you mix it correctly.

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goin back and reworking a few of the masters to get them perfect.i got lucky on buying rtv..local hobby shops goin out of business and i bought 6 1lb kits for 9 bucks each.think ill do pop for most but rtv for the goby.if i can get that goby lookin right im thinking bout one 5 inches or so long too.......thanks guys

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