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19. September 2011

Latching Relays

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Latching relays are also called “keep”, “impulse” or “stay” relays. It has two relaxed states – bistable.  It is bistable because when current is switched off, it remains in its last state. This can be achieve by two methods.

1. A solenoid operating a ratchet and cam mechanism.: The first pulse to the coil turns the relay on and the second pulse turns it off

2. By having two opposing coils with an over-center spring or permanent magnet to hold the armature and contacts in position while the coil is relaxed : a pulse to one coil turns the relay on and a pulse to the opposite coil turns the relay off. This type of relay has the advantage that one coil consumes power only for an instant, while it is being switched, and the relay contacts retain this setting across a power outage.

Latching relays are widely used because conventional relays need constant supply of voltage or power but latching relays dont.

Latching relays are not always that easy to find . You may find them in ebay but this ( www.sherburn.com )online site exclusively deals with latching relays products. I found it very useful

19. December 2008

Rod Penetrates man, shoulder to leg – Survives

The thought of a six-footlong iron rod falling from the sky and piercing through your stomach is the stuff nightmares are made of. And this is exactly what 21-year-old construction worker Santosh Kumar survived on December 1.

Stell rod penetrates Man- survives

    An unskilled worker from Bihar, India, Kumar had come to Pune ,India, a month ago seeking employment and was working at a construction site in the city. On the morning of December 1, when Kumar walked out of an under-construction building, he was hit by a six-foot-long iron rod that had slipped from a pulley ferrying the rods to the seventh floor.

    “The rod penetrated through his right shoulder to come out from the right arm, further pierced through the right side of his abdomen and traversed diagonally to come out of his left groin and went into the thigh,” said senior gastro-intestinal surgeon Gajanan Wagholikar who operated on Kumar.

    Wagholikar was assisted by senior orthopaedic surgeons J C Purohit and Deepali Gonjari, in the five-and-a-half-hour-long surgery. Kumar was grounded by the impact and lay immobilised in an odd position, writhing in agony. “Shifting the victim, in itself, was an ordeal. He had to be carried in the same position,” Wagholikar added.

    “Medical protocol is that the impaling object has to be removed only in the operation theatre, after ascertaining the damage it has done,” said Wagholikar. The rod had penetrated Kumar’s intestines in multiple locations and had made 16 holes. “Two segments of the intestine were badly damaged. While they had to be sacrificed and healthy intestine reconnected, the other holes were closed. After the operation, the patient registered a slow and steady recovery,” said Wagholikar.

    Injuries with a penetrating object lodged in the body are known as impalement injuries and are extremely rare in surgical trauma practice. 

src. Times of India

21. June 2008

Beer is Cheaper than Petrol.

gas-and-beer

04. May 2008

Badly Chosen Car Names

So, you’ve got yourself a fancy agency to create the ultimate advertising campaign in that country you’re so desperate to sell your new cars in? A shame they forgot to tell you you don’t stand a chance in advance, since the car name you chose means “cunt”

to the locals. A top ten of badly chosen car names.

1. Mazda Laputa

Mazda Laputa

The person that came up with this name took it from the famous “Gulliver’s Travels” story by Jonathan Swift. To Spanish buyers it didn’t sound so poetic when they went looking for a new car, since it means “the whore”

in their language.

2. Mitsubitshi Pajero

Mitshubishi Pajero

Another Spanish advertising fuck up. Literally. Pajero means “wanker”

 in Spanish.

3. Buick Lacrosse

Buick Lacrosse

This car was marketed in both America and Canada. Seems Buick forgot that parts of Canada speak French, in which Lacrosse means “masturbating teenager”. Perhaps it says more about the French that they actually have one word for this… ( Correction Read Comment Number 2 )

4. Chevrolet Nova

Chevrolet Nova

Such a large part of the world, and even Chevrolet’s homecountry, speak Spanish. Yet, Chevrolet forgot to check wat Nova means in this language: “No va” translates to “doesn’t go” (Correction Read Comment No 1 )

. Ouch.

5. Opel Ascona

Opel Ascona

Another one from Spain: Would you ever buy an Opel “Cunt”

  ?

6. Honda Fitta

Honda Fitta

As in any other part of the world, cunts are quite popular in the land of car advertising. What’s better than a normal cunt? A Swedish or Norwegian cunt! And that’s exactly what “Fitta” mean in these languages. Maybe not such a bad carname after all, me and Robert wouldn’

t mind having one.

7. Daihatsu Charade

daihatsu Charade

Here’s one I’ve always wondered at: Why call a car “charade”

? Is it because it only pretends to be a car? Or just to help their owners speak the truth when someone asks them what car they drive?

8. AMC Gremlin

AMC Gremlin

Uhmm. Ok. I guess AMC was just too busy building cars to realize Gremlin stands for “ugly little monster”

when they launched this car. Funny movie though.

9. Dodge Swinger

Dodge Swinger

Maybe not such a bad car to buy for actual swingers, they might even attract some other folks to have sex with!

10. Ford Pinto

Ford Pinto

Ok, we’ve had the cunts, let’s have some male company. Pinto means “penis” in Brazil and Portugal. Somehow it doesn’t sound to impressive to my Dutch ears either. I can remember some people who used it as a nickname for their joint…

Originally from 
 

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10. March 2008

One of the Greatest Paradoxes

This is said to be among the greatest paradox

Many years ago, a Law teacher came across a student who was willing to learn but was unable to pay the fees. The student struck a deal saying, “I will pay your fee the day I win my first case in the court”.Teacher agreed and proceeded with the law course. When the course was finished and teacher started pestering the student to pay up the fee,the student reminded him of the deal and pushed days. Fed up with this,the teacher decided to sue the student in the court of law and both of them decided to argue for themselves.

The teacher put forward his argument saying: “If I win this case, as per the court of law, the student has to pay me as the case is about his non-payment of dues. And if I lose the case, student will still pay me because he would have won his first case. So either way I will have to get the money”.

Equally brilliant, the student argued back saying: “If I win the case, as per the court of law, I don’t have to pay anything to the teacher as the case is about my non-payment of dues. And if I lose the case, I don’t have to pay him because I haven’t won my first case yet. So either way, I am not going to pay the teacher anything”. This is one of the

14. February 2008

Smart Investing

A city boy, Kenny, moved to the country  and bought a donkey from an old
farmer for $100.00. The farmer agreed to deliver  the donkey the next day.

The next day the farmer  drove up and said, “Sorry son, but I have some bad
news, the donkey died last  night.”

Kenny replied: “Well then, just give me my money back.”

The farmer said: “Can’t do that. I went and spent it already.”

Kenny said: “OK then, just unload the donkey.”

The farmer asked:  “What you gonna to do with him?”

Kenny: “I’m going to raffle him off.”  (Note: To raffle is to sell a thing
by lottery – draw lot -! to a group of  people each paying the same amount
for a ticket)

Farmer: “You can’t  raffle off a dead donkey!”

Kenny: “Sure I can. Watch me. I just won’t  tell anybody he’s dead.”

A month later the farmer met up with Kenny and  asked, “What happened with
that dead donkey?”

Kenny: “I raffled him off.  I sold 500 tickets at two dollars apiece and
made a profit of $998.00.”

Farmer: “Didn’t anyone complain?”

Kenny: “Just the guy who won.  So I gave him back his two dollars.”

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