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Scuba Buoyancy Compensator devices come in a variety of different styles. The most popular style of buoyancy control devices used today by most recreational divers are the jacket style scuba BC, which is worn like an inflatable vest with buckles in the front. This style of scuba BCD, wraps around the front of your body, with the side panels containing the inflatable bladders. The scuba tanks strap onto the back harness and other scuba gear like the regulator hose, octopus and gauges are also secured through additional straps which maybe found on the BCD.

Just decide what features are important for you to fit your style of diving and you are very well on your way to getting that perfect Scuba BCD.

Whatever style of buoyancy compensator device you choose make sure the Scuba BC you are about to buy is a good one. Below are some major features to consider when looking to buy a BCD:

Fit and comfort - When buying your scuba BCD, the first important characteristics to look out for are fit and comfort. An uncomfortable BCD, and one that will not fit to your size, will distract you from your scuba experiences. You will probably have to frequently adjust it during your dive. It will definitely take some of the pleasure out of the dive.

I once had the unfortunate experience of renting a Scuba BC which was too small and it really constrained my movements underwater. At the end I was just glad to have ended the dive. Now that is not what scuba diving is about. So now imagine buying a Scuba BCD which does not seem right. You will probably get put off scuba diving just cause you may be of the opinion that the scuba gear makes you feel restricted and claustrophobic which is really not the case.

The Scuba BC should fit you snugly as streamlined as possible against your body, but not too tight. On the other hand an over sized Scuba BC will uncontrollably rotate around your body therefore giving you an uncomfortable dive as you will undoubtedly focus on adjusting it throughout your dive.

Also check that the buoyancy compensator device has a configuration and harness that makes wearing the Scuba BCD comfortable and keeps it from riding up around your neck when inflated. Check that the quick release straps are well positioned so that you can easily reach them in case of an emergency.

Lift Capacity - It must hold enough air to give you and your equipment enough buoyancy to float you at the surface. You can find out a Scuba BCD's lift capacity by floating an inflated BC and adding weight to it until it sinks. The average lift capacity for a Scuba BC is approximately 40 lbs.

Hoses and valves - It should have a low pressure inflation system to make it possible to slowly fill your Buoyancy Compensator Device with air directly from your tank. A large diameter inflation/deflation hose is also important so air can be easily released. Every Scuba BCD must have an over-pressure release valve to prevent it from rupturing in case it is overinflated. Check that the release valves are easily accessible.

Weight Integration - More expensive Scuba BCDs normally come with integrated weights for those divers that prefer to wear less scuba gear. This type of scuba BC has got weight plates which are normally found at the back side of the BCD. I really like this type of scuba BC configuration, the advantage of this system is that, it is more comfortable as you will not need a weight belt. When it comes to scuba weight distribution, the weight is evenly distributed along your back rather on your hips which can sometimes become uncomfortable during your dive. If you choose to buy this type of Scuba BCD, make sure that the weights can be easily released in case of emergencies.

Other desirable features to look for in your scuba BC are utility pockets, a whistle for surface communication, hose retainers and utility rings for attaching accessory equipment. Again check whether these are positioned within an easily accessible area on your Scuba BC.

If you'd like to learn more on Scuba BCD's, check out our in depth guide at http://Scuba-Snorkeling-Adventures.com

Copyright (c) 2010 Scuba-Snorkeling-Adventures.com. All rights reserved.

Kris Mifsud- A keen enthusiast, with a life long passion for all types of water sports. Editor and publisher of http://Scuba-Snorkeling-Adventures.com - a comprehensive Scuba and Snorkeling guide to techniques, equipment and reviews.

MTI Makes Fast Faster with the 2005 MTI Devil Ray Corvette

When Chevrolet announced that it would be coming out with the Corvette Z06 for 2005 and that the car would have an engine that would put out 505 horse power the Corvette enthusiasts hollered. But there was one group of Corvette lovers who were not phased one bit. Texas based MTI, who are frequent innovators in the automotive world were at the same time making preparations to release their version of the Corvette dubbed the 2005 MTI Devil Ray Corvette.

Devil is an appropriate word for the car too as it is possessed with plenty of raw power. In fact, the Devil Ray features a full 100 horse power more than the Corvette Z06 does and it does it with an LS2 reworked engine. The cost of such wickedness did not come cheap however as MTI's Devil Ray package cost almost 24 grand, but the results were phenomenal.

MTI took the factory cylinder block of the LS2 and then gutted it so they could fit it with:

• A strocker crankshaft.
• Lightweight connecting rods that were longer than stock.
• Forged pistons.

 

The net result was a 427.6 cubic inch 7.0 liter engine that is the same as the Z06 only many horse power beefier.

MTI then fed this beast with a set of their Stage III cylinder heads that were competition ported. Additionally the cylinder heads were fitted with values that were stainless steel, dual valve springs, and finally retainers that were titanium. Add that to the cool air that gets fed to the engine via the installation of an MTI high flow air system and you are left with one fast engine.

Contrary to popular misconception these mighty Devil Rays also passed smog inspection in almost every state. Not too shabby for a Corvette that can go 0 to 60 miles per hour in under four seconds.

The speed though is almost eclipsed by the handling of the car which is of course upgraded. MTI did go a little on the low tech side for handling and relied on a nice set of Michelin PS2 tires mounted on their own special forged wheels to aid in the extra nimbleness of the Devil Ray. The strategy panned out and in the 600 foot slalom, the Devil Ray put in a 72.9 mile per hour run. As though that doesn't sound impressive enough to just say, that beats the Ferrari Challenge Stradale by 0.2 mile per hour. If that doesn't sound like a big deal, consider the price tag of the Ferrari and the feat is simply amazing.

The interior of the Devil Ray is known immediately as MTI added a slew of logos on the seats and recovered console. Above the shifter sits a serialized number which is extremely important as there were only 25 total Devil Rays that were produced. That means that this series of specialized Vette will surely become a collector's dream further down the road. The 2005 MTI <a href="http://www.smokinvette.com">Devil Ray Corvette</a> proves that when the circumstances are right, it isn't so bad to be "running with the devil."

About the Author

Considered a leader in <a href="http://www.smokinvette.com">Corvette forums</a>, and highly recommended by A. Schult is the blog and forum found at SmokinVette.com, where you can find tips and resources for the Corvette enthusiast.  For additional info on the <a href="http://www.smokinvette.com">Devil Ray Corvette</a>, check out SmokinVette.com

Looking for a set of 16 Conical (bee hive) Valve Springs for my, Ford Escort ZX2, 4cyl. 2.0L, Zetec, DOHC..??

I've looked online, emailed different people and companies, from fort worth Texas to cali, but can't seem to find what i'm looking for. I found one site at ZXTuner.com, but I just need the springs. I've got locks, and retainers.

I'm in need of something better than the stock springs for my car, since i'm having my cylinder head ported.

here's a link on ebay motors Ford forum that will explain it.

ZX-10R's Problems Solved
The "sales hold" on the ZX-10R will be lifted at the end of January with sales to resume as normal, Kawasaki announced today in a press release.

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