Usain Bolt is Back to Undecided About Beijing Double Bill

Here we are, one week after Usain Bolt shattered Asafa Powell's 100m record and the world wide snowball of excitement seems to be picking up more and more speed. Article after article about Usain Bolt's new World Record, his plans for the 2008 Beijing Olympics, and his past glories as a youth and junior champion a surfacing on the net. People are getting very excited about a potential 100m Olympic finals showdown between Bolt, Powell, and American Tyson Gay in Beijing.

Just yesterday though, Bolt went back to gray on his public announcement to double up in Beijing. Initially, Bolt said he was still focused on the 200m and was undecided on a double bill, but mid-week he declared it a certainty. The news from yesterday shows that Bolt is now back to undecided and is going to trust whatever his coach Glenn Mills advises. When asked if he would be OK with whatever Mills decides, Bolt responded, "Well, yeah. This is my fourth year with my coach and he's made nothing but good decisions."

Olympics aside, Bolt is most likely going to run the 100m again at the Aviva London Grand Prix in England on July 15th. If Coach and Agent negotiations go though, this race will give a preview of the Bolt, Powell, Gay final that so many people hope to see again in August.

Bolt has confirmed that he will for sure run a 200m in Ostrava, Czech Republic on June 12th, as well as a double bill at the Jamaican Olympic trials later this month.

Is all of this indecision the result of a cautious coach and a runner who want to focus on a life-long dream of 200m Olympic gold? Or is it all part of a PR plan to get everyone talking about Bolt, Jamaica, and Beijing Olympics Athletics? Regardless of the answer, I am pumped up and REALLY looking forward to the outcome of the June 12th Ostrava race.

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Truck Suspension - What You Need to Know About Custom U-Bolts

Truck suspension parts are integrations of rubber springs, shock absorbers, custom u-bolts, spring pins, spring bushing, shackles, hangers, leaf and coil springs, and more.

U-Bolts are designed for an extensive range of products inclusive of domestic, commercial buildings, industrial building applications, automobile industries, marine and fishing, and off-shore and coastal operations. Custom U-bolts that are available in the market vary in their characteristics such as shapes, sizes, materials and grades depending on its utility.

In automobiles, custom U-Bolts have many functions, they are used to hold springs to the front and rear axles of cars, heavy trucks, off-road trucks, etc. Generally speaking, U-bolts hold truck bodies to frames, rigging applications, and anything that may need clamping force between two or more pieces of material.

The U-shape helps keep the bolt firmly in place so that it will not pull away from its fittings easily, adding uncompromising security and stability. The strongest known metal - steel - is used commonly in manufacturing the U-bolts which keeps the fastening resistant toward any kind of corrosion and is also a rust-proof material. Custom U-bolts are also available in other materials like low carbon steel, plain finish, hot dipped galvanized, zinc plated, Teflon coated, hot dipped galvanized poly-coated.

What are the elements that will help you in differentiating one U-bolt from the other?

When you are looking for a custom U-bolt, all you will have to consider is the size and shape:

o Size: The thread size of your U-bolt, rod sizes, inside width of your U-bolt, inside length of your U-bolt.

o Shape: The shape of bending in the U-bolt also helps in identifying the difference; the top may be round, square, or semi-round.

Problems with the U-bolt could result in loss of control at its worst maximum, broken springs at the least and the exerted pressure having a direct impact on the tire.

The added advantage of the U-bolt is that it can be re-tightened according to its usage and load conditions based on its specification.

Never take your chances, always refer to the manual or go by the judgement of an expert so as to save your truck from over-tightening; over-tightening of U-bolt is equally harmful. Never use old U-bolts, when you are re-tightening old nuts, the nuts tends to grab the old worn out threads directly affecting the socket to rod position.

When you subject your vehicle to frequent bad roads and overloading, the U-bolt tends to get stretched from its original position separating it from the spring and its axle will yield to the pressure thus taking a toll on the suspension compressing it beyond its limit and affecting the traction position. The wear and tear stretches the legs of the U-bolts from its original position, although it is made of the most foolproof metal and mechanism. It is advisable to go in for U-bolts with torque value, in which case the U-bolt will stretch within its elastic limits and rebound to its initial point without any damage. Therefore, even if the axle twists from the leaf spring of the suspension, the elasticity will bounce back protecting it from any mishap.

To conclude, here are a few tips on U-bolt.

o Never ever flip a U-bolt without crossover steering or interference problems.

o Re-tighten as per the spec after a few hundred miles.

o Always check them before venturing out on a trail trip.

Gary Allen is the co-founder of All Cape Spring Co. He specializes in truck suspension and Custom U-Bolts and has an experience of over a decade. All Cape Spring Co. serves Cape Cod, Sagamore Beach and Massachusetts. For more information, visit www.allcapespringco.net

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All About Expansion Bolts

The first question which comes to mind when someone mentions expansion bolts is "What is an expansion bolt?". The next one is along the lines of "What is an expansion bolt for and how does it work?". This article should answer some of these questions for you.

An expansion bolt is made up of a bolt, nut and a sleeve. The sleeve expands when the bolt is tightened. They are similar to nail-in anchors but are capable of handling much more heavy duty usage such as podiums and stadium seating. There are a few different types of expansion bolts available. A definition from a mechanical engineering point of view is as follows: an expansion bolt is a bolt and nut configuration that expands when tightened into a hole.

The first is the bolt, lead sleeve and tapered nut combination. The nut is inside a lead sleeve and the whole thing is put into a hole already drilled into the material that needs to be fastened. The bolt is then fastened and the nut is pulled up towards the bolt head and this makes the lead sleeve expand and tighten in the hole.

Then there is the bolt, lead sleeve, metal cone and nut combination. The cone and sleeve lie on the bolt assembly. As the bolt is tightened, it forces the metal cone into the sleeve which again causes the sleeve to expand and fix the equipment in place.

The common factor is the lead sleeve. It is this that actually facilitates the expansion and allows the bolt to stay in place. The sleeve also protects the bolts and the material from cracking from too much pressure. It also decreases the chances of the bolt getting pulled out or stripped.

Expansion bolts are rated on the tonnage they can handle. They should be chosen according to what use they will be put to and what kind of stress they will be under as well as what kind of corrosion can be expected.

One of the more common uses that can be seen and understood by just about any one, is in the protection on climbing routes in cliffs and mountains. The expansion bolts are put in places that are likely to have accidents happen to provide anchors for the climbers to attach to.

So, expansion bolts are not that complicated. They basically are a bolt in a sleeve that expands when the bolt is tightened. The expansion makes the bolt stay more securely in the hole. The sleeve protects the bolt and also the material it is being inserted into. Expansion bolts can be used in the construction of podiums, permanent scaffolding, seating in stadiums and security on rock climbing routes.

They are fairly easy to use, all you need is the correct drill bit, at most only a little larger than the bolt head itself and the bolt. Drill a hole into the material, insert the bolt and tighten it. Be careful not to over tighten it as that may cause the head of the bolt to get stripped rendering the bolt very difficult to remove, if not impossible.

For more information about expansion bolts visit the website http://www.eurekadiy.ie

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