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TheRegulator

2"-3" Grub Mold

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Does anyone make a two piece aluminum grub mold 2"-3" that will hand pour well?

Thanks

no if you hand pour you have to open the mold pour the tail then put it together then pour the body. i have a 2in and a 4 in injection molds and they are nice.

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I made some from plaster of paris that you do not need to open at all to pour. Gave them to a guy on the board as he uses that bait a lot. He said they pour a perfect bait every time.

Here is a picture of mold and resulting bait.

new%20009.jpg

grubnew2.jpg

Jim

That bait looks awesome! I wish one of the big guys would make a mold that hand pours like that, I desperately need one. lol

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It only really works due to the inherent insulative properties of the plaster of paris. With aliminum, the mold cools to quick.

I really went overboard on the vents and actually intended on drilling a hole in the center of the tail for the vents to disperse the air out. Never needed it though. My vents are thicker than the ones you will find on the aluminum molds as well. Little more trimming but I'll take that over throwing the bait back into the pot or cup!

Jim

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It only really works due to the inherent insulative properties of the plaster of paris. With aliminum, the mold cools to quick.

I really went overboard on the vents and actually intended on drilling a hole in the center of the tail for the vents to disperse the air out. Never needed it though. My vents are thicker than the ones you will find on the aluminum molds as well. Little more trimming but I'll take that over throwing the bait back into the pot or cup!

Jim

May I ask what bait you "copied"? I really like that one.

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No clue really. A friend off of TU sent me some to attempt to mold in different ways. I think he said he got them out of the bargain bin at Cabela's. There is no "id" on the tail.

He is catching the fire out of the walleye on them also.....

I'll see if he can give me any further info on them. I am sure I still have the original somewhere in the shop.

Jim

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No clue really. A friend off of TU sent me some to attempt to mold in different ways. I think he said he got them out of the bargain bin at Cabela's. There is no "id" on the tail.

He is catching the fire out of the walleye on them also.....

I'll see if he can give me any further info on them. I am sure I still have the original somewhere in the shop.

Jim

I like that mold.Looks like a good project for me to try.Thanks Jim.

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Thanks Jim,

I really appreciate the pictures too. It really helps to see how it was vented. I wondered if if you would have to make the tail 'Thicker' than normal to get it to pour, but it sounds likes you replicated another bait, so i guess not. I am going to try this. I haven't really tried two piece pop molds yet, because I can't picture how to depress the bait into the pop uniformly. Any tips?

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On the tail, it will naturally come out a little thicker. It doesn't really need to be though.

As far as puting the bait into the pop, make sure your pop is mixed to the consistency on pancake batter, just not to thin. When you lay the bait into the pop, it will sink close to the halfway point on its own. you can gently depress the body further to get it to the halfway point. Don't mess with the tail at all.

Jim

PS I vented with coffee stirrers to be sure to get enough relief.

Edited by ghostbaits
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Pardon me,but why in the world would anyone want a time consuming hand pour grub mold you had to trim when

Cost maybe???? Buying the injector and then injection molds can be pricey. My pop mold cost around 0.20. Guess TheRegulator could answer that.

Jim

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Cost maybe???? Buying the injector and then injection molds can be pricey. My pop mold cost around 0.20. Guess TheRegulator could answer that.

Jim

I'd have to agree, I cant afford a $50 injector and a $60 mold to make grubs.

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Cost maybe???? Buying the injector and then injection molds can be pricey. My pop mold cost around 0.20. Guess TheRegulator could answer that.

Jim

Drop the pop mold one time and you have a 1000 piece puzzle :o

Time is money to me and I'd buy grubs vs. pouring them 1 @ a time then hand trimming the multiple vents. bears grub molds have superlative swimming action injected w/ medium plastisol w/o the tails sticking together.

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Drop the pop mold one time and you have a 1000 piece puzzle :o .

True!!!!! I will have to say though, these don't require much trimming if any and I have made over 50. By the time you inject your 4 cavity mold, wait for it to cool, remove the nozzle on the injector, etc, I have 25 to 30 poured already....

These aren't production molds by any means but the fish eat this grub up and I can make 100 in less than 1/2 hour. The cost of the molds were maybe $12 total.. It would cost you a lot more money to get enough injection molds to shoot them that fast. It did require time on my part to make the molds however.

Plus, I was able to prove these can be hand poured. If I had a little more time, I'd give that vacu-forming a run. Grubs would not be that great of a challenge for that method though...

Jim

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There's a few reasons I wanted to hand pour. Cost is one of the reasons. Not to get into the hand pour vs injection again, but everything I make is hand pour. I enjoy pouring and to me injection would take away from my creations. Personal preference. I don't plan on injecting anything in the near future. I really only pour for myself, so investing in the mold and the injector would only be for the grubs. You could purchase a lot of grubs for that!

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I will have to say though, these don't require much trimming if any and I have made over 50. By the time you inject your 4 cavity mold, wait for it to cool, remove the nozzle on the injector, etc, I have 25 to 30 poured already....

These aren't production molds by any means but the fish eat this grub up and I can make 100 in less than 1/2 hour. The cost of the molds were maybe $12 total.. It would cost you a lot more money to get enough injection molds to shoot them that fast. It did require time on my part to make the molds however.

Jim

WOW!!! 100 hand our grubs in less then an hour. :lol: It's pointless to argue w/ someone who obviously has "O" injection experience. I'm a bit surprised you talk this way when you're in your own business.Your flimsy justification that a POP mold can even begin to compete w/ Precision CNC injection molds w/ multiple cavities tells me it's time to wish you well and goodnight!

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Your obvious inexperience with all sides of the craft is apparent. Owning a business has nothing to do with giving ideas and options for this post!!???

Many here at TU are well rounded in the craft and suggest other methods/molds while others are so one sided and closed minded. I actually have experience at both hand pouring AND hand injecting and was recommending hand pouring options for the gentleman. If you read his posts, that is what he is intestested in, not an arguement about hand pouring and hand injection again. That is tired and old dude, just like your personal digs.

Check out one of my MANY injection baits from my molds that I have "0" knowledge of hand injecting.... Not sure how I figured out how to push the plunger down but hey, it worked... MAGIC!!!!

new%201570.jpg

new%201571.jpg

Have a happy day!!!!! :blink:

Jim

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Jim,

What is that supposed to be ? OMG- every appendage has a breather pour that has to be pulled and/or trimmed off. That might be OK for the hobbyist but not for the professional. Personally,if I injected a bait that looked like that I'd scream and throw it back into the Presto Pot. You might want to consider get a refund on that mold .

TU has many professionals /businessmen that are willing to give good,honest advice based upon their experience and the small fortunes they spent to learn the ins and outs-myself included. Newbies look forward to this advice to save time and $.

I don't consider telling folks you can pour 100 finished grubs in less then a 1/2 hr.from a fragile POP mold good ,accurate advice. You know as well as I that plastic will run into the numerous breather holes around the tail of the grub and need to be hand trimmed off -15 30 seconds per grub X 100. Need help w/the math? :o That may be OK with someone who doesn't care about down time but is not opened for discussion when precise production and bait performance enters into the discussion. Your rebuttal on injecting grub molds doesn't hold a thimble full of water and speaks volumes on your lack of experience w/ superior quality ,CNC injection molds for grubs and others as well.

I wish I had all of the $ I wasted over the years on bulk RTV silicone(@ wholesale prices) in 10 pd. pales making custom molds. I've spent 5 years hand pouring and 4 months injecting and in all honesty,can't go back. Yes,there are a few baits you can pour via hand pour but many that can only be injected. You can tie -up considerable $ in 2 part,CNC hand pour molds and I have many. they will be vented and modified for injection or sold in the near future.The caveats associated w/ hand pouring are too numerous to mention .

I've objected to your post politely but directly since you're in the business. I was a contractor for 30 years w/ employees and time is money to me. Yes it's expensive to get into injection on a large scale but a brick wall faces those in the business who refuse to step-up and modify their thinking.

Have a good weekend -

Al

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Al:

If you read the man's post, he is a hobbyist that hand pours for himself. Money was mentioned as an issue. POP is a viable alternative as mentioned by many more than me.

This isn't a hand pour vs injection issue. It is addressing the specific issue of this post.

I could care less if you like the resulting bait, the fish do. There is NO trimming to be done??!! Of course, since you have the mold and have injected it and fished it, you know all about it. :huh:

I don't like grubs myself but I don't comment on the injection mold for them as I don't have one. I do have many other injection molds and I will say the that some have taken it to another level where others are simply copying common baits already on the market.

Time is money to me but common sense goes way further. If this gentleman had been looking and asking about hand injection, I definitely would have pointed him in that direction. He was not.

Not sure why we are even having the debate as he wanted to hand pour from the get go.

Have you ever considered that some may just like to hand pour and it doesn't come down to time or money?

Jim

Edited by ghostbaits
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Most certainly.If money isn't the issue,why would someone want the inconsistencies of hand pour. Soon,one gets over the euphoria of pouring their own baits,experiences all the caveats and decides they want other options and productive baits that do require injection.

Edited by smallmouthaholic
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I appreciate all the posts as they have been helpful to me. I was looking specifically for hand pour molds as that is what I enjoy. POP is certainly an acceptable solution for me if I can get it to pour well.

Jim,

I appreciate your posts on this topic, they have not only helped me with this, but with some other things I wanted to do but didn't know how. I did make a mold, I haven't sealed it yet, so I am not sure if it pours yet or not. I was satisfied, except I made a two cavity and one of the tails 'floated' on me when pouring the top section on one of the cavities. I am going to finish it anyway for the learning curve and see if the venting works. If it does I'm sure round two will be better.

The aluminum mold you posted is a 5". I have seen that one before but I am trying to pour 2"-3" and have not seen any that size.

Thanks again for your help

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