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barrel flexing

Thread Status: Hello , There was no answer in this thread for more than 60 days.
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fishstalker73

New Member
May 19, 2005
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I just bought a 115 cm and a 90 cm black viper spearguns and noticed the barrel flexs on both of them. Is this a major problem? What can I do to eliminate it?
 
I think all guns flex to some degree, does it shoot straight, or at least consistently?
 
In that case I am surprised that they do not just use larger diameter but thinner aliminium tube -- like Cannondale & Klein mountain bikes, which are very stiff. I suppose increased side drag could be an issue with bigger tubes. So, modified approach might be to use a different tube shape to add stiffness, perhaps an oval cross-section as used on many bikes these day -- oriented to reduce side drag. I guess that is similar to what some of these fancy new carbon fibre spearguns do.

Somebody mentioned that routing the rubbers from lower down prevents this flex. I think the black viper has a front hole -- presumably designed for a second rubber band (US-style). If the flex bothered you a lot, perhaps you could switch to using that?

If you are hitting the fish though, why bother?! ;)
 
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