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What is the most practical size dive knife? - Scuba Diving & Snorkeling

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The best sized dive
knife is a medium sized knife with a blade measuring about 4-5 inches. The
medium size dive knives are better because they are about the right size to
strap to your arm of leg and have a big enough handle that can be gripped easy
with gloves on.

Posted on Jan 17, 2013

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Is it safe to do a back flip off a diving board?


It's safe as long as you are making sure to leap back as far as possible. Before you try it you should get some practice without the board just to make sure you are getting far enough away.

Jul 11, 2013 | Pool & Spa

Tip

The Rapid Diver System



Lightweight Scuba System Goes From Tactical to Practical

RAPID DIVER™ is a lightweight, all-inclusive scuba system that mates a tank, regulator and buoyancy module to a uniform-fit, load-bearing harness. It was created in response to public safety and military needs for a universal fit, compact, versatile and easily deployed scuba system.

Mission requirements called for a system that is universal fit, could be stored in a small space, donned and activated quickly, and worn in situations such as helicopter and boat operations in which conventional scuba gear would prove too cumbersome and restrictive. Comfort was also of great importance, as some operations would require the user to wear the gear for extended periods of time while engaged in complex, task-loaded missions. With an overall weight of just 25 pounds, the Rapid Diver stores in a compact hand-carried pouch, and readies for use in less than a minute. It provides sufficient air duration for the average dive a 20 to 25 minutes at moderate depths. The Rapid Diver can go from duffel to dive in 15 seconds.

Though designed for professional use, many of the Rapid Diver's performance characteristics make it equally suited to a range of civilian applications. It is the preferred system for shore diving, due to its user-friendly design, universal fit capability and ease of transporting and storage. Persons who are unable to wear heavy conventional scuba gear, or who simply feel uncomfortable with the associated bulk and weight, appreciate the light overall weight and wearer comfort of Rapid Diver. In addition to a low overall weight, the Rapid Diver features a unique load-bearing harness that distributes the weight of the tank evenly over the diver's torso, making it well suited for difficult shore entries and is also beneficial for long walks to the water or water entry from ladders or small boats. Rapid Diver's small size allows it to be stowed aboard a boat, where it can be deployed for underwater boat maintenance, anchor checks, and fast response to emergencies such as a fouled prop or suspected hull damage.


Also unique to the Rapid Diver system is the ability to configure the rig for a wide variety of mission profiles. In it's simplest form, the Rapid Diver can be configured to become a PFD by removing the tank and life support system, beneficial in most boat operations (Tactical Swimmers Vest TSV). For extended dive profiles, the Rapid Diver can be configured with standard sized tanks (80 cu ft) mounted on the innovative back pad. If mission requirements call for an even longer diving profile, the Rapid Diver can be used in conjunction with surface supplied air or in a traditional side mount configuration. Other custom-configurable gas management options allow the user to configure the rig with a redundant air supply, and to use full-face scuba masks in conjunction with a gas switching block. To extend duration and stealth, a rebreather module which clips onto the existing Rapid Diver Tactical is in the works and will be made available for military applications.

Rapid Diver is a premium product and was created by dive equipment developer and long time diver, Christopher De Felice. The Rapid Diver is manufactured in the United States, constructed using materials selected for extreme durability and wear resistance.

For the latest information about the Rapid Diver system come and join us at the Official Rapid Diver Forum:
rapiddiver.board-directory.com
www.RapidDiver.com

on Jul 08, 2009 | Zeagle Rapid Diver System - Buoyancy...

1 Answer

My new dive knife has a small notch on the blade, what is this?


That is known as a line cutting notch and is used for cutting fishing line easily.

Jan 17, 2013 | Scuba Diving & Snorkeling

1 Answer

What are the advantages to buying a titanium diving knife?


Titanium contains no carbon therefore it will not rust as near as quickly as stainless steel and they almost certainly are corrosion resistant, titanium is also a lot stronger than stainless steel knives and they require almost zero maintenance.

Jan 17, 2013 | Scuba Diving & Snorkeling

1 Answer

How should I care for my stainless steel dive knife so it doesnt go rusty?


. Stainless Steel contains high carbon traces for strengthening, they will almost certainly rust. To ensure that you care for your knife you should rinse it well with fresh water after a dive and allow it to dry naturally outside of its sheath, you can also apply some oil to the blade from time to time, and this will preserve your knife for longer.

Jan 17, 2013 | Scuba Diving & Snorkeling

1 Answer

What is the purpose of a blunt tip dive knife?


Blunt tips are less prone to break which makes them more durable when digging out something or cutting. Blunt tips are less likely to puncture your BC too which makes them a lot safer.

Jan 17, 2013 | Scuba Diving & Snorkeling

1 Answer

When buying a dive knife, should I get one with a serrated edge or a straight edge?


Serrated edges are used for cutting natural fibers such as rope and kelp and can be used with a sawing motion. The straight edge knives are better for cutting plastic, fishing line and nylon rope. You can get knives with a serrated and straight edge so you would be better to get one of these.

Jan 17, 2013 | Scuba Diving & Snorkeling

1 Answer

How do you strip insulation form uf electrical wire


I use a sharp knife and slice off the outer covering on each side of the cable. With practice you can "feel" the outer insulation of the conductor and make the knife slide along it without damage. At that point I simply pull the two conductors out of the covering and use my wire stripper to expose the bare ground wire. When stripping the ground, I use a oversized hole on the wire stripper to keep from scoring the wire.
2 conductor is easier to strip than 3 conductor.

here's another
I use a sharp knife and slice off the outer covering on each side of the cable. With practice you can "feel" the outer insulation of the conductor and make the knife slide along it without damage. At that point I simply pull the two conductors out of the covering and use my wire stripper to expose the bare ground wire. When stripping the ground, I use a oversized hole on the wire stripper to keep from scoring the wire.
2 conductor is easier to strip than 3 conductor.
I've never tried tearing it apart. That sounds like it would be hard on the conductors to me.
steve

Dec 13, 2009 | Hardware & Accessories

1 Answer

How to replace the rubber wristband of a luminox watch


If you have a new wristband, there is a spring loaded lug where the band joins the watch, use a sharp knife or jeweler's screwdriver to slide the lug from the watch

Jun 19, 2009 | Navy Seal Luminox Dive Watch

2 Answers

Scuba suit need?


"Wet suits and dry suits are very important when it comes to scuba diving. Your normal body temperature hovers around 98.6F (37C). If you are scuba diving in water that is cooler than your body temperature your temperature will drop. In all water, even the warmest, tropical waters, you will need thermal protection, like a wet suit, dry suit or dive skin, to keep warm and to keep safe while scuba diving. The cold affects our ability to think and our physical response time slows, which can lead to an accident. Warm tropical water will begin to feel cold after prolonged scuba diving, so it is always a good idea to wear light insulation at a minimum. When choosing thermal protection, like a wet suit or dry suit, you need to consider the following factors: Water temperature Your activity level during a dive Your body size You should always wear more insulation in colder water and lighter insulation in warmer water. Your level of activity can be a good indicator of how much insulation you should wear during a scuba dive. The more active you are during a dive the more heat your body generates and the warmer you remain throughout your dive. Larger scuba divers may need less insulation than smaller scuba divers and small, muscular scuba divers may need less insulation than larger scuba divers. It is important for you to try different amounts of insulation in differing water temperatures to determine what you need. Some scuba divers need more insulation than others, regardless of activity or size. Some scuba divers can dive in tropical water wearing only a lycra body suit, commonly known as a dive skin, while others need a 2mm wet suit. Some scuba divers can dive in cold water wearing only a 6mm wet suit, while others need the protection of a dry suit. If you are scuba diving in water below 55F (12.7C), a dry suit is the warmest type of thermal insulation available. Dive skins, wet suits and dry suits also protect your skin from cuts, scrapes, abrasions and stings which can occur while you are scuba diving. A simple brush against specific forms of coral and fish can cause painful irritations and burns on bare skin, but may not be noticeable or even occur, if your skin is protected."

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