Dummies Guide to Rigging a Speargun

[_myles_]

hey guys.

got any help on how to tie a thumb knot as suggested by mr X?

[Mr. X]

Originally Posted by _myles_

got any help on how to tie a thumb knot as suggested by mr X?

Sorry for the delay Myles, just noticed your question. I just meant a simple stop knot (thumb knot = overhand knot) like this: Overhand knot - Wikipedia, the free encyclopedia


The image above shows 2 thumb knots, the one at the end is used as a stop knot - which was all I was suggesting.

[Armis]

Hi guys,
Maybe these two types of loops (sliding and non sliding) will help to somebody in rigging the speargun.

[pembroke]

hi miles
my gun is a seac sub arrow 75cm, this is my very first gun ( newboy ) my instructions say after tying a knot to the arrow which is a slide and not attached to the rear, done that, what my concern is it tells me to tie a slip knot after feeding the line around the line release and top of the nozzle, i don't have a bungee clip and when i have fired the gun how do i make another slip knot whilst floating in the sea. i hope u can help

[pembroke]

how do u make a bungee clip guys ??

[slingshaft]

Hi Pembroke, Check out the threads posted about bungies and such. Use the search thread. Cheers. Rigging up also.

[foxfish]

Pembroke, I dont think we quite understand what you mean?
You gun has a slider attached to the spear?
You want to know how to attach the line to the slider?
I don't understand the slipknot aspect?

Normally the rig is very simple, the line is tied to the spear (or slider) & the other is attached to the gun muzzle. Very often a bungie is placed along the line - no slip knots?
The line is formed in loops from the muzzle back to the line release at the trigger end, one loop is most likely enough for a 75.

[pembroke]

on my gun you attach the line to the spear then run the line down to the trigger release then back up to the top of the muzzle back downto about half way my instructions say to tie a slip knot to shorten the line against the muzzle. there is no mention of loops if i can would it be possible to email my instructions to you

[foxfish]

You just need a piece of bungee like either of the ones pictured on my 75s.
We normally use crimps & mono as running line. Every thing you need to know is on this thread.
http://forums.deeperblue.com/attachm...1030546-1-.jpg

[Mr. X]

It looks like a pretty normal euro-gun, surprised it uses a slider:

If you're using regular thick monofilament spearline, a bungee isn't strictly necessary - the mono has a fair amount of stretch on its own. Might be simplest to just attach the spearline securely through the designated spear-line hole in the muzzle to start off with. Usually that is done with a crimp -- see the start of this thread to see how to do that.

Although the fact that you are talking about making knots (presummably the slip knot is used to fasten the spearline "permanently" to the muzzle of your gun - in which case you shouldn't need to tie/untie it in the water), suggests that perhaps your spearline is some sort of cord/string. If so, then pressumably the slip-knot is used instead of a crimp. For muzzle attachment, you could probably use a fixed loop (e.g. bowline, double-figure-8, double-overhand knot) instead but a slip knot would leave a neater, tight loop round the muzzle.

Is there a particular slip-knot they recommend? The holes in my muzzles are a close fit to the 3mm & 4mm bungee cord that I use at the end of my spearline, so I just use a an overhand knot as a stopper to prevent it pulling through. I'm trying think what slip knot I might use, maybe a round-turn-&-2-half-hitches or the v. similar anchor-bend or perhaps a fishing knot (one of the hook/swivel attachment ones). There are some great knot websites -- with diagrams & animations.

Apnea.co.uk sell a nice little Beuchat muzzle bungee, which you'd normally "larks-foot" (knot) to the muzzle. It has a rubber tube & is terminated with a swivel and clip. None of this essential but the clip is handy if you have difficulty pulling the spear back through the fish (I wondered from your comment about the knot in the water if this was a concern for you?). Once the fish is dispatched and secured on your stringer, you can unclip the spear (if necessary) and pull it through rather than back (which is more usual). The swivel is handy, but not essential, because some fish (grey mullet spring to mind) like to spin round and round once speared. The rubber tube provides a stretchy protective holder for a strong nylon cord inner, which also forms the loop that you attach to the muzzle - it acts a strong shock absorber, which makes it harder for fish to tear off the spear. However it also adds a little weight and drag to the muzzle of your gun and the clips can sometimes jangle against the barrel.

[pembroke]

thanks, is there someway i could send an email of my instructions to you then prehaps all would be made clearer
thanks, i have tried to insert a image but nothing is happening

[foxfish]

Is your gun the same as the one MrX has pictured?
If it is then we dont need to see the instructions because it will be rigged in the same way as virtually every other spear gun.
Dont worry about slip knots - you need to tie one end of your line to the little hole in the end of you spear & the other end to your guns muzzle.
You just need to make sure the line is the right length so when you spear is in the trigger the line runs up the barrel, back down to the line clip under the trigger & back up to the muzzle.
The best way is to use a bungee so the line is kept a little under tension.
I think the slip knot is to hep you get the line the right length but use a bungee instead.

[pembroke]

well that is a lot clearer to, that slip knot got me confused, so here go's. another question would you know of anyone around my town of pembroke pembrokeshire wales that spear fish's

[foxfish]

Yes I would Spearing north wales

[pembroke]

so what range should i be looking at to fire this gun came with 200cm of cord which is to long to go from the arrow once around the trigger mech and back to the top