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Old 10-24-2016, 03:08 PM   #1
Monkey11798
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Can you identify this speargun?

Hi spearos,

My uncle found this gun in the trash one day and gave it to me. It has no identifying marks on it as to what brand it is. It seems to be an older gun or its a homemade gun. I have not been around the sport long enough to figure that out. If anyone has any information on it please let me know. Here are some pictures of it.
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Old 10-24-2016, 07:01 PM   #2
FreediveCA
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Re: Can you identify this speargun?

I do not know myself, but if I was a betting man I'd bet that PopgunPete would know.
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Old 10-24-2016, 07:42 PM   #3
Monkey11798
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Re: Can you identify this speargun?

Quote:
Originally Posted by FreediveCA View Post
I do not know myself, but if I was a betting man I'd bet that PopgunPete would know.
Awesome thank you.
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Old 10-25-2016, 02:37 AM   #4
akonvisher
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Re: Can you identify this speargun?

Looks like rsussian home made speargun.

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Old 10-25-2016, 10:11 AM   #5
virgili
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Re: Can you identify this speargun?

underwater Kalach?
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Old 11-04-2016, 03:56 AM   #6
popgun pete
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Re: Can you identify this speargun?

I remember in the early to mid 2000's there was a "System 3" speargun being promoted on a web-site of the same name which had a cylindrical grip handle just like on your gun. The guy making them had a multi-axis milling machine and every part of the gun was generated by machining metal bar stock to produce the shapes required. A very expensive way to make a speargun, they were not cheap to buy. The enterprise fell over after only a few months, but my guess is that you have one of the "System 3" guns that he actually sold to the public. Later on he had another attempt with a skeletonized ladder frame type of gun which fired two spears, one on top and one underneath the barrel consisting of rectangle sections and bracing trusses in a flat-sided, vertical beam type of layout. Being modular you could extend or shorten the gun by adding or removing frame sections. “Windows” in the frames held optional wooden blocks to make the gun a floater. That second gun disappeared pretty quickly as well.
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Old 11-07-2016, 09:01 PM   #7
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Re: Can you identify this speargun?

Here is that skeleton frame, double shot speargun; the "XXX Ace", or some name very much like that. I had saved a screen shot of the gun advert at the time, but that is buried two computers back. For now this tiny photo will have to do, but it should be enough to get the wheels of memory turning. Thanks to Ron Mullins who supplied the photo.
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Old 11-07-2016, 11:53 PM   #8
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Re: Can you identify this speargun?

Any luck with dismantling the gun so that we can see the inner works? There is probably a grub screw holding the safety control knob on. Once the safety control shaft comes out I expect that the cap screws holding the grip can be removed and then the entire grip handle will slide rearwards out of the fork created by the rear extensions of the front stock. I can pretty well tell how the gun comes apart just by looking at it as I have dismantled many strange and unusual spearguns over the years.

A common feature of this "System 3" gun and the "Ace XX" double speargun is the decoratively drilled triggers, as although you cannot see it the "Ace XX" has a string of tiny holes drilled in a vertical line in its sliding action trigger. Ron Mullins purchased an "Ace XX" on eBay from someone who had found it and we then checked out the inner works. Basically a sliding bar with staggered cutouts top and bottom allowed the upper and lower sear levers to turn as the cutouts lined up with the reverse sear lever "tails" thereby allowing them to turn and loose the shafts in a set sequence. No band load and the spears just stay put, unless you yanked them out by hand, hence it was a somewhat disappointing mechanism from a technical viewpoint.

P.S. Ron sent me a photo of the Ace's innards, now attached, so now you can see those small holes in the trigger.
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Last edited by popgun pete; 11-08-2016 at 09:24 AM. Reason: more info, plus name is "Ace XX"
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Old 11-10-2016, 08:31 PM   #9
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Re: Can you identify this speargun?

Although I don't have the "System 3" speargun to dismantle, here is my best guess using the trigger mechanism design rules. The releasing surface (the "sear") where the trigger retention step and sear lever tail directly interact must lie somewhere near the green circle. Trigger mechanism designs usually aim for greater pivot pin spacing as then you can achieve higher mechanism gearing and thus lower trigger pull, with a "cam lock" requiring that contact either inside, or on the periphery, of the green circle. That assumes the gun designer knows what he is doing! Often home-made gun designers take their design cues from existing guns, but they may then make changes which are not the best way to go.
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