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05-06-2020, 01:01 PM | #1 |
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Riffe Euro info
Hi,
I'm starting a new build and would like something similar to a Riffe Euro. I'm having a hard times finding specs. Could someone please confirm the width and thickness of a euro, Open and Enclosed track ? Tks !! |
05-06-2020, 08:49 PM | #2 |
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Re: Riffe Euro info
Width is 1.6"
height is 1.12" open track I believe Riffe integrates a couple of stainless rods the length of the gun for rigidity
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05-07-2020, 08:03 AM | #3 |
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Re: Riffe Euro info
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05-08-2020, 02:30 AM | #4 |
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Re: Riffe Euro info
OK now that is something I really didn't think was possible! The gun cross section is very small and it can barely ballast a 7mm shaft. Metal reinforcement in the form of rods would make the gun very heavy and not possible to ballast. I actually just took a Riffe Euro and put a metal stud detector on it and couldn't find any metal in the stock except for the very end ... which I think is the mag track. So if metal rods are inserted in the laminates then that must be for the newer models. Flex is actually a problem with the longer Riffe Euros as the cross section is extremely small, but a much better solution to metal rods in the laminates would be just a carbon fiber sleeve. It would be dramatically lighter and not alter ballast ... plus it would be much stiffer as it would be placing reinforcement on the outermost shell which is much more effective.
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05-08-2020, 06:22 AM | #5 |
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Re: Riffe Euro info
Instead of adding a metal rod in there it would be much more efficient to put carbon fibre tubes in the body of the gun to increase rigidity.
But going that route it might be even more efficient to add a layer of cf in between laminates in a vertical direction. This is already done by several builders. Gladiator for example. A solid rod will flex easier than a pipe regardless the material. |
05-08-2020, 05:55 PM | #6 |
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Re: Riffe Euro info
The metal rod comment is for the two-piece travel gun, they don't run right through the gun. Here are some photos.
Last edited by popgun pete; 05-08-2020 at 09:43 PM. |
05-10-2020, 12:23 AM | #7 |
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Re: Riffe Euro info
Maybe I'm wrong about the rods in the Riffe euro guns.
I thought that's what I heard. Maybe a call to Julie Riffe?
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05-10-2020, 12:34 AM | #8 |
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Re: Riffe Euro info
Common sense tells you that such a drill bit would need to be way too long to bore a hole longitudinally right through a wooden gun stock.
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05-10-2020, 12:48 AM | #9 | ||
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Re: Riffe Euro info
Quote:
Quote:
E.g. for many years, high end sailboats have been built in a sandwhich where the core is ultralight, has little strength and mostly serves to add distance between the two skins of carbon. A bit in the same vein, an Italian guy in Denmark did an interesting build some years ago. He took a fairly substandard wood (perhaps pine from an Ikea table), made a blank, covered it in CF and made a stiff nice inverted pulley gun. It was a cool build, he called it "The 8 Hour Gun" as the goal was to prove that you can build a well shaped, advanced gun with simple tools in very little time. He didn't quite make the 8H time limit but it was still a very fast build - helped by the wood being very easy to work with. And being encapsulated later on, it didn't need to be laminated to avoid warping. Now, to finish my pretty severe thread drift (sorry), ever since I got into 3D printing, I have thought about how you could do the same. Print the blank (in segments) and wrap it in CF. You could add CF stringers, too inside the blank. You need to be OK at composites work and a vac bag setup would help a lot, but you could make your own C4 or other funky shaped gun for next to nothing. I think someone will do it soon and if I was not stuck away from home, I would be on it now. Release the files afterwards for free or sell them for ten bucks to pay materials for your next design Last edited by Diving Gecko; 05-10-2020 at 01:18 AM. |
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05-10-2020, 01:15 PM | #10 | |
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Re: Riffe Euro info
Quote:
Common sense tells me that there were likely channels routed or milled into slats of the timber before the blank was laid up, rather than trying to bore holes of that length after the fact.
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05-10-2020, 04:08 PM | #11 | |
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Re: Riffe Euro info
Quote:
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05-10-2020, 09:22 PM | #12 |
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Re: Riffe Euro info
The majority of wooden spearguns are laminated... including the Riffe Euro.
Not that I think the Riffe contains steel rods (or any rods) for that matter. Don't think I see your point, or perhaps maybe you misunderstood mine.
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