Gurjap profile

Posted #Threads 3 years ago

Alcohol Powered 2 stroke engine

I have an old scooter engine (+ the scooter 😛) and I wanna run it on pure ethanol for a project. On my research on the...

9 replies

Replied #Threads 3 years ago

Faster than wind wind powered vehicle! Violates Thermodynamics?

Here's what I think the designers have done. They've done away with the sails; using those we simply can't get a velocity downstream that's more than...

Replied #Threads 12 years ago

Come winter EVs get the shivers

"Fur" blankets? There is no surer way of earning us a PETA ban. Imagine our CEO's residence being besieged by Greenpeace. How about one of those...

Replied #Threads 12 years ago

Investigation: How to weld small pieces of metal in a prison (Escape From Alcatraz)

mateodid you really watch this? it was a dime.I did watch it. Been a year or so now, though, if you would check the posting date....

Replied #Threads 13 years ago

Steve Ballmer Retiring As Microsoft CEO - Here's His Letter To Employees

Well, what do you know. Good old Steve, slain by the failed Surface tablet. I wonder if Bill would be back.

Replied #Threads 13 years ago

Transformer TX Is A Car-Kidnapping Drone For DARPA

This is so awesome. It doesn't look that big to me, so I'll be taking the bus from now on.

Replied #Threads 13 years ago

Anti glare glass for windshield

Allow me to repeat what I said: it is an auxiliary technology, and can be put "offline" whenever needed.

Replied #Threads 13 years ago

Hyetis Crossbow - A $1200 Smartwatch With 41 MP Camera Sensor

Wow. This is one ugly-looking watch. But, maybe Bear Grylls could find a use for it, and that's mainly because it is also a wrist cam....

Replied #Threads 13 years ago

Awesomeness Upgraded! What's New On CE?

Brilliant. Good work, Kaustubh. 😁

Replied #Threads 13 years ago

Should the manufacturers to be forced to post the safety ratings they had got?

If private companies give out poor judgement, they lose consumer confidence and business. Not so for government organizations. Not to be sidetracked, I again insist that...

Replied #Threads 13 years ago

Help me buy a tough new Dumb Phone with crazy battery life, please?

Although the 3315 was the clear favorite, I have settled on Samsung GT C3322. <a href="https://www.gsmarena.com/samsung_c3322-3941.php" target="_blank" rel="nofollow noopener no...

Replied #Threads 13 years ago

Should the manufacturers to be forced to post the safety ratings they had got?

Why are you biased against private organizations?

Replied #Threads 13 years ago

Anti glare glass for windshield

Nayan GoenkaYour Idea about using cameras, you have rightly justified my doubt of quality, but you missed the quantity of vision. Cameras will be restricted to...

Replied #Threads 13 years ago

Anti glare glass for windshield

Nayan GoenkaThis was exactly my doubt. Can you please elaborate on the solution you gave? I think my earlier post covers pretty much covers my idea....

Replied #Threads 13 years ago

Anti glare glass for windshield

Here is what I have in defense of my idea: the components are easily available, and they aren't very costly. Hence, it is a rather more...

Replied #Threads 13 years ago

Anti glare glass for windshield

We can digitally edit pictures and movies, right? How about we mount an HD camera on the car bonnet (2 or 3 of them if you...

Replied #Threads 13 years ago

What make the people to move towards imported or Foreign branded Cars?

Really? What technology have the Indians developed "in-house"? I am rather unaware of any such thing. From basic engine design to halogen headlights, everything is outsourced....

Replied #Threads 13 years ago

What make the people to move towards imported or Foreign branded Cars?

Tata motors sells a lot of cars, and it's Indian. The secret to sell a lot of cars seems to the ability to tap into the...

Replied #Threads 13 years ago

Is Wankel engine suitable for bikes?

I believe the Mazda R8 uses the Wankel design. Nobody else does. There are huge problems associated with its apex seals, which nobody can seem to...

Replied #Threads 13 years ago

Maruti's new secret mission: 30 Kmpl Engine

I find the lack of rumors about the cost interesting. After all, MS might just deliver us a 30kmpl engine. Whoever said it would be cheap...

Replied #Threads 13 years ago

Matrix LED lighting system-A potential threat to older lighting systems

ConquerorThis is super cool innovation In general people tend to forget to use Dimmer head lights in populated roads This auto dimmer feature is really a...

Replied #Threads 13 years ago

Diesel Engine Vibration Problem - Fix, Anyone?

All these methods that Kaustubh points out are being used in defense applications where their costs are justified. More specifically, they are used in Diesel Electric...

Replied #Threads 13 years ago

Help me buy a tough new Dumb Phone with crazy battery life, please?

Hmm. Guess I can relax the requirement for "cheap", but the rest, I really can't. #-Link-Snipped-#: It's rainy season, and I drive a bike. Also, I...

Replied #Threads 13 years ago

Diesel Engine Vibration Problem - Fix, Anyone?

Actually, a whole lot of Diesel engines you'll see (made in India variety, sometimes found in auto rickshaws, or in tractors , or Engine Testing Labs...

Replied #Threads 13 years ago

Why don't trucks have aerodynamic front like cars?

You'll notice that aerodynamics (coupled with product design and feasibility) dictates that the vehicle be built low, i.e. its ground clearance be minimal. Note, for example,...

Posted #Threads 13 years ago

Help me buy a tough new Dumb Phone with crazy battery life, please?

Hey. Now that I am a proud member of the engineering workforce of India, I find my old '08 blackberry becoming more obsolescent by the day....

21 replies

Replied #Threads 13 years ago

Turbo-Charging CrazyEngineers!

0.5 seconds? Already that fast here 😀 But, I have no trouble with fast becoming faster.....

Replied #Threads 13 years ago

Why do most IIT websites look so outdated?

I see an opportunity here: maintaining the university website could be a good part-time job for students, and the university could pay for it. I am...

Replied #Threads 13 years ago

Getting Shock From Laptop. What Could Be The Reason ?

Are the shocks severe, and do they happen when your feet aren't wet or naked? If so, you need to contact the manufacturer.

Replied #Threads 13 years ago

Maruti Ertiga CNG To Help You Beat Rising Petrol & Diesel Prices In India

Alright, some googling confirms this stuff, and I am in shock. How could the Tatas, known for their scrupulous and solid engineering, let this happen?

Replied #Threads 13 years ago

Why do most IIT websites look so outdated?

First of all, a really astute observation by Kaustubh, and something that has annoyed me for a long time. Them websites look like someone designed them...

Replied #Threads 13 years ago

Diametral pitch of rack?

You answered your own question. The PCD of a rack is infinity, just like the diameter of a straight line is infinity. If you need to...

Replied #Threads 13 years ago

Maruti Ertiga CNG To Help You Beat Rising Petrol & Diesel Prices In India

As in, the car caught fire and burned everybody inside?

Replied #Threads 13 years ago

Saker S-1 - The Mach 0.99 Personal Jet With Operating Cost Of $2/Nautical Mile

What the hell? Just because you ripped off a Raptor F22 Lockheed Martin airplane doesn't mean it's going to perform like the real thing. Also, the...

Replied #Threads 13 years ago

Maruti Ertiga CNG To Help You Beat Rising Petrol & Diesel Prices In India

Didn't quite understand the above exchange. Nanos "burning on the road"?

Replied #Threads 13 years ago

Ooh Yeah! Coming Soon - Only On CrazyEngineers

Something along the lines of new debate format, or a whole new debate section like the old yahoo messenger?

Replied #Threads 13 years ago

Turbo-Charging CrazyEngineers!

Hmm. Good you upgraded the server, but honestly I couldn't have told if you hadn't posted about it. Sorry about doing a Debbie Downer.

Replied #Threads 13 years ago

Ancient India's Engineering Skills

It was impossible for the British to rule over such an enormous land without solving the inherent logistic problem of being able to transport troops and...

Replied #Threads 13 years ago

What is the point of load shedding if people have inverters?

Good replies to my question. Thank you.

Replied #Threads 13 years ago

Is It Possible To Convert Greenhouse Gases Into Useful Gas & Control The Pollution ?

Thing is, any conversions of the sort will need energy to be expended, and energy production leads to greenhouse gases being released anyway, so this might...

Replied #Threads 13 years ago

Bajaj Pulsar 375 - Thoughts? (Leaked Photos)

😀 It certainly is.

Replied #Threads 13 years ago

What is the point of load shedding if people have inverters?

Sure. But, as you pointed out, the inverter, when charging, loaded the Powercom. Therefore, the Powercom was loaded extra for the time the power was on,...

Replied #Threads 13 years ago

Bajaj Pulsar 375 - Thoughts? (Leaked Photos)

Will you take questions from members?

Replied #Threads 13 years ago

What is the point of load shedding if people have inverters?

I know, right? I mean, all the inverter did was to shift the load, while increasing it. How did Powercom benefit by that?

Replied #Threads 13 years ago

Bajaj Pulsar 375 - Thoughts? (Leaked Photos)

This is one ugly looking motorbike, but then again I think all motorbikes not Royal Enfield are ugly looking. Thanks for that Vardenchi intro, Kaustubh.

Posted #Threads 13 years ago

What is the point of load shedding if people have inverters?

During a recent power cut or "load shedding" when the temperatures was in the fifties, I was in the process of saying thanks to whoever invented...

8 replies

Replied #Threads 13 years ago

Hop in if you want a CrazyEngineers T-Shirt

I'm busy for a while, so I can't really work on it now, but I have this idea of printing an eagle on a TShirt made...

Replied #Threads 13 years ago

CE Weekend Debate #4 : Topic Announcement

Sorry I missed it. I have an exam tomorrow.

Replied #Threads 13 years ago

Steam Turbine Suppliers

So, problem solved? Or not satisfied with the quote?

Replied #Threads 13 years ago

Is 'One Way Trip To Mars' justified? Would You Take It?

Is this a hoax? Sure looks like one to me...

Replied #Threads 13 years ago

Announcing Responsive CrazyEngineers!

Hey, good job Kaustubh. Thanks!

Replied #Threads 13 years ago

Indian Engineering Students To Use Microsoft Office 360 Come What May!

Abhishek RawalLibreOffice is OpenSource licensed under LGPLv3.0, I am quite sure of this.You know what, I think you're right. Thanks for pointing it out. I'll keep...

Replied #Threads 13 years ago

The Wait Is Over! It's Coming, This Week! (Update: It's Live!)

Alright, yes or no for an Iphone app? 😕

Replied #Threads 13 years ago

IBM Visions 2000 Suns Strong Solar Collector

2% of Sahara desert's land area works out to about 188000 sqkm, which ain't no joke, seeing Delhi's area is a little under 1500 sqkm.

Replied #Threads 13 years ago

The Wait Is Over! It's Coming, This Week! (Update: It's Live!)

Hmmm. Releasing an iApp?

Replied #Threads 13 years ago

The Wait Is Over! It's Coming, This Week! (Update: It's Live!)

What? Absolute Zero is back?

Replied #Threads 13 years ago

Indian Engineering Students To Use Microsoft Office 360 Come What May!

Hey, ever since Oracle bought OpenOffice, it's gone down into the depths, and Oracle's LibreOffice is facetiously named, seeing it is not open source. Still free,...

Replied #Threads 13 years ago

CE Weekend Debate #1 - And The Winner Is...

Hey, may the best man win, right? Felicitations to #-Link-Snipped-#!!

Replied #Threads 13 years ago

CE Weened Debate #1 - Experience & Feedback

The rest of my suggestions.

Replied #Threads 13 years ago

CE Weened Debate #1 - Experience & Feedback

How about the rest, #-Link-Snipped-#?

Replied #Threads 13 years ago

CE Weened Debate #1 - Experience & Feedback

Maybe that would be a good idea. Limit it to, say, 5 members, and let about three or four debates rage separately. Then select the winners...

Replied #Threads 13 years ago

CE Weened Debate #1 - Experience & Feedback

Otherwise, the debate was rather nice and took my mind off things.

Replied #Threads 13 years ago

CE Weened Debate #1 - Experience & Feedback

Maybe you should sequence the members' posts, so no one may interrupt before their time.

Replied #Threads 13 years ago

Weekend Debate #1 : Instructions

WHAT? I missed the deadline? I thought I only had to be here before 3 PM on sunday for the 'roll call'!!

Replied #Threads 13 years ago

Water Quenching Vs Oil Quenching In Metallurgy

Adding to above, when any pure substance (such as water) changes its phase, its temperature does not change. Hence, when water boils at some pressure that...

Replied #Threads 13 years ago

Buy Google Glass On eBay Only If You Are Filthy Rich

HOLY GUACAMOLE!! You can buy an alien spaceship with that kind of money. What's wrong with people??

Replied #Threads 13 years ago

Tiny Li-Ion Batteries Charge 1000x Faster; May Make Gadgets 30x Smaller

No details on the actual process they've employed. Have they merely caused the electrodes to be super-spongy? Proprietary information, perhaps?

Replied #Threads 13 years ago

Tiny Li-Ion Batteries Charge 1000x Faster; May Make Gadgets 30x Smaller

C'mon Kastubh, moar sources please 😀 this is fascinating stuff. I wonder how they solved the deep cycle/overall life tradeoff problem, if they have that is.

Replied #Threads 13 years ago

Water Quenching Vs Oil Quenching In Metallurgy

When steel above recrystallization temperature is quenched in water, the temperature of the water remains somewhat near its boiling point (due to phase change), which is...

Replied #Threads 13 years ago

Solar Shirt To Produce 400 Watts & Blow Air On Your Armpits

I'm quite sure we can make those shirts to covers and curtains as well. Might not look quite trendy, but it'll be useful.

Replied #Threads 13 years ago

Nitro boost and super cars

whoa dude!!! if u doubt what i said you might as well surf google or wiki or something and find out!!I did that already, but I...

Replied #Threads 13 years ago

Weekend Online Group Discussion #1 : Participate & Win Prize!

AYE 👍 I wish we could have voice chat or something to go with it, but as they say, if wishes were horses..

Replied #Threads 13 years ago

Weekend Debates & Talks - Let's Start It Again!

Topic: What do you think the IT Law should look like?

Replied #Threads 13 years ago

How many of you use wrist watch?

I wear it only when I go off to the exam hall. Otherwise, no real point.

Replied #Threads 13 years ago

Nitro boost and super cars

I believe the Nazis usurped all the petroleum in Europe during WW2, so some enterprising citizens attached a gasifier in a little wagon being towed behind...

Replied #Threads 13 years ago

Solar Shirt To Produce 400 Watts & Blow Air On Your Armpits

How heavy could it be, I wonder? But I will most definitely use it to charge super capacitors hidden in my arms and launch power balls...

Replied #Threads 13 years ago

Velkess Energy Storage With Flywheel

How are they solving the eddy current problem with the obviously-PM-type magnets, I wonder

Replied #Threads 13 years ago

Man of steel ? do you think superman could be stronger :/

Somehow, Man of Plastic or Man of 2,3-dimethylpolypropylene doesn't have quite the same ring as Man of Steel.

Replied #Threads 13 years ago

DVD Drive Turned Into Microscope For HIV Testing

This, Sir, is the coolest thing I've ever seen. Kudos to you for bringing it to me 😀

Replied #Threads 13 years ago

Steam Turbine Suppliers

I suggest you look for turbines used in geothermal power plants, seeing these are the only turbines that could conceivably utilize such low energy turbines. I'm...

Replied #Threads 13 years ago

Nitro boost and super cars

This surely cannot be that simple, seeing even superchargers with intercoolers can achieve the same effect you described. Modern cars have very little hydrocarbon and carbon...

Replied #Threads 13 years ago

Man of steel ? do you think superman could be stronger :/

If I were to be hit by bullets, I'll prefer I be made of steel, not aluminum. Reasons? More weight, better alloyability, better impact resistance, better...

Replied #Threads 13 years ago

Which D.C. motor should be used in robo war?

Unless you have uber mechanical manufacturing skills, buy one motor for each of your wheels, to make motion control easy. These are going to be very...

Replied #Threads 13 years ago

Absolute Zero - Engineering Humor @ −273.15°C : Introduction!

So, any updates?

Replied #Threads 13 years ago

Solving the charging problem for hybrids

You're a lucky guy. Mind me asking hiw you ended up in Israel in the first place? 😀

Replied #Threads 13 years ago

Keep Keyboard Ready...

Or maybe a code-a-thon?

Replied #Threads 13 years ago

Keep Keyboard Ready...

Don't tell me we are launching a video game 😛

Replied #Threads 13 years ago

Solving the charging problem for hybrids

@kasturbh what was your overall "feel" of the company and its Oscar? How did the car handle? How was its noise, its acceleration? Did it have...

Replied #Threads 13 years ago

Solving the charging problem for hybrids

oprime#-Link-Snipped-# Check out this website - #-Link-Snipped-# This company swaps out depleted battery packs with fully charged batteries.Thank you for this reference. I did che...

Replied #Threads 13 years ago

Solving the charging problem for hybrids

A.V.RamaniI can hazard a guess, the energy spent on the pump may not be recovered by the benefit accrued.It just came to my mind: we are...

Replied #Threads 13 years ago

Should everyone learn computer programming and how to code?

Truly spoken. Which means, again, that not everybody need to code, since the basic structure has already been erected for them. As for MATLAB, it cannot...

Replied #Threads 13 years ago

Steam extraction of a turbine in reheated cycle

The reason I asked was, because steam isn't normally extracted between stages from turbines to reheat it. Reheating is done between different turbines, like between high...

Replied #Threads 13 years ago

Ducati Monster 696 May Come To India

And interesting it was!! Brilliant college project I think.

Replied #Threads 13 years ago

I.C engines at rest

Alright then. Consider a Vertical, Single cylinder IC engine. Suppose it was running and you turn off its ignition. Now what is going to happen? It's...

Replied #Threads 13 years ago

Solving the charging problem for hybrids

A.V.RamaniElectrolyte cannot hold any charge. In a rechargeable battery a reversible reaction takes place. During discharge the reaction goes to a thermodynamically less energetic...

Replied #Threads 13 years ago

New Delhi- Howrah Rajdhani Express Offers Free Wi-Fi

Brilliant plan, and I totally welcome Railways' plan to get out of the jungle age. No more getting bored while travelling long distance.

Replied #Threads 13 years ago

Ducati Monster 696 May Come To India

That is one awesome-looking ride (I mean the Ducati, hope you don't mind Ramani sir). Although if I had the money, I'd probably buy the Harley.

Replied #Threads 13 years ago

Solving the charging problem for hybrids

Following up on this thread: I did some research on charging batteries (Lead Acid ones, specifically) and as it turns out, you can't just ramp up...

Replied #Threads 13 years ago

Is Flipkart deliberately making losses?

The business model of raising prices at a whim does quite well in sectors where the product is a necessity, like oil or gas or power......

Replied #Threads 13 years ago

Steam extraction of a turbine in reheated cycle

Are you sure you don't mean regeneration cycle?

Replied #Threads 13 years ago

Why not replace 8 cylinders in engine with one cylinder of same displacement?

Interesting question. Obviously size is not a problem, seeing Fairbanks/Morse and Wartsila manufacture huge diesel engines larger than an average house anyway. Neither is manufactu...

Replied #Threads 13 years ago

I.C engines at rest

I don't imagine the piston would go to any specific position once the ignition is shut off. It may come to rest anywhere between the TDC...

Replied #Threads 13 years ago

Nanotube Vibrations Can Be Used To Store Data

This is a nascent tech, but its ramifications are probably bigger than we can imagine. What if they are able to make it work at high...

Replied #Threads 13 years ago

Graphene Aerogel Is The World's Lightest Material

Well, then maybe if its reactivity is low, chem people can use it to design new, compact packed bed reactors. I wonder if it absorbs hydrogen...

Replied #Threads 13 years ago

Aakash Tablet - Made In India Or China?

Assembled in china? Meaning manufactured and assembled in china, I imagine.

Replied #Threads 13 years ago

Graphene Aerogel Is The World's Lightest Material

Any info about its stiffness? If it's high enough, we could make structural shapes out of it and use them in aeroplanes and ICBMs.

Replied #Threads 13 years ago

Absolute Zero - Engineering Humor @ −273.15°C : Introduction!

I'll try to login via facebook and see if I can share some of AZ on it- or is that allowed?

Replied #Threads 13 years ago

Solving the charging problem for hybrids

I do believe you are right about that. Looks like recycling chemicals after, say, a hundred charges might just be our best bet. So, what other...

Replied #Threads 13 years ago

Are Smart Watches The Next Big Thing Or A 2013 Fad?

But I think what smart watches would really do is augmenting concepts like google glass. The watch would handle data processing, while the glass received sorted...

Replied #Threads 13 years ago

Are Smart Watches The Next Big Thing Or A 2013 Fad?

If there was just a wearable data dongle with wifi I could wear like a watch, I'd totAlly buy it. Just think: a buy a bsnl...

Replied #Threads 13 years ago

Aakash Tablet - Made In India Or China?

If it's any consolation, it's not as if the chinese designed those motherboards themselves. Those things are all designed in usa or eu by some highly...

Replied #Threads 13 years ago

Aakash 3 Specs & Features Don't Make It "Remarkably Different"

If only we could come up with some cool apps, the Aakash tablet might as well become a low cost Data Acquisition Card for some Btech...

Replied #Threads 13 years ago

Aakash Tablet Ain't Dying - Says Kapil Sibal

What is it the journos say? "Never believe a rumor until it is officially denied." But the idea was pretty good, and Sibal was probably sincere....

Replied #Threads 13 years ago

An idea to reduce the knocking in internal combusion engines...

I suggest you use a carburetor to inject atomized water into the intake manifold. I would ask you to look into variable valve timing and to...

Replied #Threads 13 years ago

Solving the charging problem for hybrids

Interesting argument about the charging time. This kinda crossed my mind too, and forgive me for being naive, but if we were to simply upgrade the...

Posted #Threads 13 years ago

Solving the charging problem for hybrids

Even a Tesla roadster, today's most advanced and relatively popular completely electric vehicle needs at least 1 and a half hour to charge completely. This is...

15 replies

Replied #Threads 13 years ago

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