Before you start changing configurations due to lack of power, I suggest you try using the best rubber available at your current configuration. Then cut a little shorter in small increments. I don't know if Speardiver rubber is the best in the whole world, but it's the best I've used. I do know it's the only small ID rubber available at this time. I'll have more 16mm in about 2 weeks, and also new 14mm in small ID.
Posts by Dan
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Very nice quality.
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The results do not seem to match what people experience in the field, rollers have a lot of power.
It's a case of self fulfilling prophecy
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Good hunting Moshe. Beautiful dentex.
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Interesting, those Triumph boats look like normal boats. They do state on the website that polyethylene is the material.
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A friend of mine is building a boat out of Polyethylene, it got me curious about this kind of boat. The Polyethylene tubes and other parts are welded together, supposed to be very durable. Anyone know about these boats advantages/disadvantages? Like this Polyethylene Boats
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That's what I'm talking about..
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Neat diagrams Pete.
The "can be eliminated" drawing doesn't say the whole truth. The roller doesn't allow the use of a 2nd band. So that shorter gun with two bands would be no less powerful than the roller.
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I spent some time thinking about whether to put one on my rib. Looks good Don.
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Gorilla glue always foams when I use it. I thought it was part of its function. The foam fills up any spaces, then you can sand it down. Don't know about it's durability. But when it hardens it becomes plastic like, seems like it should stand up to water. But I wouldn't take any chances with a whole boat.
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Not at this time, sorry.
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haha nice!
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Congrats on a unique build Dustan.
That's an interesting looking rasp. Does it take off wood more easily than the conventional kind? Where can I buy it?
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Good rubber is the key. That small ID stuff is da shit. It stretches and stretches as far as you can pull it. How much power are you missing?
I realize that I like a soft shooting gun
:plusone: and I don't feel this contradicts what I said before about liking to feel the "good" recoil. Still I think eventually you'll come back to the 2 x 16mm configuration
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The pulley just allows a change of direction of the band stretch. There's no conflict there.
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The only scientific way to prove this is to have someone from spearbored fire both guns straight up in the air and see which shaft goes higher...
<img src= " class="smiley" srcset="https://spearfishing.world/forum/images/smilies/emojione/1f606@2x.png 2x" height="23" width="23" loading="eager" data-tooltip="biggrin" aria-label="biggrin">
Reminds me of the new episode of Game of thrones I saw yesterday.
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Awesome snapper/s. Good work Jake.
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By this logic a pneumatic should be more powerful than a band gun, the piston keeps accelerating and pushing the shaft to the very end. Sounds nice in theory, in reality ehh.. though I'll take a good pneumatic over a roller any day.
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You're not missing anything John, it's just smoke and mirrors. A one band roller is the same as two band conventional gun, the bands are just positioned in a different place, running along each side of the gun instead of both running along the top. If you measure each band section and the band stretch on a roller, you'll see that even at best (loaded as close to the trigger guard on the bottom as possible) it doesn't reach the minimum %300 stretch we require on conventional guns. And it's more difficult to load.
Using roller gun logic: 1 band roller = 2 band conventional = 4 band tie in/ferrules which brings us back full circle
