Pneumatic speargun how does it work

For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Pneumatic Spear Guns. Thread starter jerrythelocke Start date Aug 21, Please register or login Welcome to ScubaBoard, the world's largest scuba diving community. Benefits of registering include Ability to post and comment on topics and discussions.

A Free photo gallery to share your dive photos with the world. You can make this box go away Joining is quick and easy. I just retired to San Pedro, Belize, and would like to do some spear fishing on the reef. Not knowing squat about spear guns, I thought I would ask for some help.

How do pneumatic spear guns work? Do they require air cartridges or pumps? What brands, sizes, etc. Due to an elbow problem the rubber band types are not an option at the present time. If I can help anyone vacationing to San Pedro, let me know if I can help. You can contact me at jerrythelocke yahoo. Thanks for your help. Messages Reaction score 6 Location Oklahoma. Click to expand Messages Reaction score 1 Location sacramento, ca.

Compared to band-powered models, they have much lighter recoil. Overall, they are reliable, compact and very powerful. This feature is ideal for switching to lower power for a close-range shot, and can even help with easier loading for high-powered guns. It can also be used to discharge any excess air left over after the hunt. They are not without their problems, though. The mechanism needs regular servicing and maintenance.

Potential prey can be scared by the noise, and aiming can take a bit of getting used to. In spite of the possible problems, those Spearos who use them tend to stick with them.

They have earned their place in the spearfishing world and have proved their worth. Speargun lengths are almost always measured in centimeters, even in the US. At the end of the barrel is the muzzle which has a few important functions. Note that on some guns, especially wooden guns the muzzle is just the end of the barrel, not a separate part. The first thing the muzzle does is anchor the rubber bands.

To get a full stretch, these need to be right out at the end of the barrel. The muzzle also has two hooks or grooves that the shooting line passes over full explanation on how that works below. There is also an attachment point for where the shooting line will afix to the gun, usually with a shock cord so it can stretch.

Finally, there will usually be a line guide for a reel line to pass through if the gun is set up with a reel. Obviously, the more bands that are stretched back, the more tension there will be on the spear making it shoot faster and farther when the trigger is pulled. One band can either be two pieces of rubber, each anchored to one side of the muzzle, or a single piece that runs through a hole at the end of the barrel.

The wishbone is what grabs the spear as the rubber is much too thick to do so. Wishbones can be made from metal, or from a high-strength cord, usually Dyneema. The spear is a shaft of hard steel with a sharp tip. Behind the tip there is a flopper, a piece of metal riveted to the spear shaft so that it can can flop open to help hold a fish on.

The flopper is also located under the spear so that once it passes through a fish, gravity makes it flop open thus hopefully securing your catch. Band-powered spear guns are easier to maintain than pneumatic models are, as they have very few moving pieces and need not be airtight. You can adjust the power of a pneumatic gun, by adjusting how much air is forced inside the tank, but it is easier to adjust the power of a band-powered model.