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How a Turbocharger Works

charliem says...

You can afford...being the prime question here.
Most cars these days (read: not performance cars) are made on the cheap.
Forged connecting rods, and billet valves / cam shafts / high tensile head bolts are not cheap, therfore they dont go into the vast majority of modern engines.

Putting a turbo on your engine alone would vastly increase compression ratios, stressing just about every internal part in the car. The poverty pack econo-cars can not handle any more than about 4-6lb's of boost before things start heating up, warping, and shaking themselves apart violently.

Cost to get things up to spec?

erm....well a good set of H beam forged con-rods can cost you anywhere from 600 upwards (generally upwards...a lot upwards), and thats just the part, not including installation. Getting the valves reworked, vavle springs, cam shaft....thats ~2k+ if youre doing it on the cheap.

Then you need an intercooler to take the heat out of the intake air (as the turbo compresses intake air, and therfore heats it up) so as to keep the economy levels up....and piping to go with it, your looking at another 1k at least.

Then you need an ECU mod, piggy back if you can get away with it, around the 1k figure, otherwise a full standalone can cost upwards of 1.5k.

Then you need to program and tune, upwards again of 1.5k.

To turbo a non-turbo economy engine povery-pack car, you are looking at LEAST 5k+, and thats doing it on mega budget, you wont get any reliability or safety out of it.

Before you even get to put the turbo on, which itself is about 300-1.5k depending on what turbine you purchase, you also need a turbo manifold to redirect all of the exhaust gas into a turbo, and have an outlet pipe that allows waste-gate dumps into your exhaust. So you also need to get your cat-back system redone too, which is about 700-1500 to get it done right.

Doing it right? Start counting from 10k....and keep going.

Doing it right would be to upgrade the breaks (bigger discs, bigger calipers, bigger master cylinder), the suspension (coilovers), and doing some serious chassis strengthening to take the increased loads (front/rear sway bar upgrades, front/rear strut tower bars etc..)

Its not cheap unfortunately

chingalera said:

Q: What's the best turbocharger on the market available in a car you can afford?

Domino Style Frozen Lake Rescue Attempt

Sniper007 says...

So, which is it? Did the skin to skin contact heat up the at risk individual too quickly or was it not effective, rather chilling the assistant? I don't see how it can be both ways.

robbersdog49 said:

Applying external heat to a hypothermic person is a great way to put their body into shock. Dry them off, cover them and insulate them. The worst thing you can do is try to heat them up too quickly.

When the body becomes hypothermic all the blood rushes away from the extremities and to the centre of the body, protecting the major organs, particularly the brain heart and lungs. Warming the person using external heat makes the blood rush to the area which is being heated and away from the brain heart and lungs.

I work as a rescue person at a sailing lake in the UK and we have to deal with a lot of hypothermic people in the middle of winter. All they want to do is go and get in a warm shower, and when they do you end up with heads split open from when they pass out from the shock.

A properly wrapped up person will warm up (as long as they aren't too far gone, which the person in the video clearly wasn't). It won't be what they want to do, and it's not what feels the most comfortable to them, but it is the safest option for them.

we used to be advised to put the hypothermic person in a sleeping bag with another person. This changed when it was found that more often than not this ended up with two hypothermic people, as the cold person chilled the well person faster than they could support.

It was a very brave thing for the guy to do, stripping off in those conditions isn't comfortable or easy, and he did it for a great reason. It just wasn't necessarily the right thing to do.

Cooking Channel Contest (Food Talk Post)

chingalera says...

And Last-minute 'n not a second to spare, sheppard and this fastidious bachelor-esque gem: Chicken-Mushroom SS w/ P

You'll need 4 boneless / skinless chicken breasts, a can of cambells mushroom soup, cheddar cheese, sugar, and parmesan cheese (grated)

Chicken breasts are easy, just heat up a skillet / pan and cook them with a couple tablespoons of canola oil (make sure to brown them on either side, and save the drippings)

Take your potatoes, wash em, and slice them as thin / thick as you want (thicker makes the cooking time longer) width wise (so you end up with potato circles) Place on a baking sheet and on each potato place a small amount of butter and sprinkle parmesan cheese over the batch. Cook them for ~45 minutes at ~425 degrees.

Start off cooking the soup normally, (however, use milk instead of water as the can instructs) and once it's at a rapid boil, add 2 tablespoons of sugar, 1.5 cups of shredded cheddar cheese, and 1.5 tablespoons of parmesan cheese. Make sure to mix well, and once the chicken is fully cooked / browned, pour this over and mix it with the drippings / oil from the chicken.

Ever try tricking the boiler/heater - Peep Show

BoneRemake says...

In what way ?

Hot water radiators (possibly the type in this skit) are powered by circulating hot water from a boiler. the water only gets to a certain temperature and then is dispursed through the pipes of the building.

The water stops flowing when the room itself/thermometer registers that the air temperature is what you want it to be.

The water/radiator does not heat up quicker if you jack the temperature on the dial, the water just flows longer to heat the air up longer. The water is at a constant temperature, unless you have a shit boiler/water heater.

Electrics might be different, well they are actually when they have settings like 500 watt 1000 watt and 1500 watt settings. But in apartments it all depends on what the thermostat reads.

Now I wonder if your comment was facetious...

mxxcon said:

He is right though...

Mysterious Humming In Seattle Solved?

How To Impress Your Kids: Nerds Candy + Potassium Chlorate

How To Impress Your Kids: Nerds Candy + Potassium Chlorate

Driver Uses A MATCH To Look Into His Gas Tank.

Making of a Shade

jmd says...

well he didnt seem to treat it with anything so pretty much after a few sessions of the shade heating up and cooling down, its gonna warp like crazy. Oh and dont you dare put any pressure on it, it will snap like a twig. A whole log, wasted. Id much rather stick with either a treated finished strip of wood, or hell just give me a nice looking fake.. its a freaking lamp shade.

What really happens if you take off your helmet in space?

Calcul8r says...

>> ^Thumper:

I'm guessing that while your venting your fluids and air out these things would freeze. So I imagine you would see long chaotic shards of ice jolting out of those areas.


No, the liquids would boil off, so you might see an ice fog, but no icicles.

He begins with the assumption that you're out in cold space. If you're close to the sun you would encounter radiation from the solar wind and heat up instead of cool down (on the side facing the sun, that is).

Microwaves Ruin Everything

SveNitoR says...

Pretty cool video. I've done eggs, aluminium foil, CD's, disco balls and probably a few more which I can't remember. Pretty fun, but nothing close to what people fear. Things exploding due to heating up and pressure not being able to escape is not exactly hard to understand or predict.

I would've preferred it if they had shown the egg and fruits shortly before the explosion when the pressure is still contained but tries to escape.

Flint and Steel at 5000fps - The Slow Mo Guys

skinnydaddy1 says...

Very cool. When I was a kid. We used to take the flint and spring out of old lighters. Stretch the spring out and then wrap it around the piece of flint. Take another lighter and heat up the flint till it glowed red. Then threw it against a wall or street. The effect was pretty damn cool.

Vittorio Costantini - Fantastic Glass Master

Porksandwich says...

>> ^Lann:

I find glass to be much more expensive. Then again, it depends on what you mean by "smithing" if you are talking about a blacksmithing studio then yeah a small lampworking set up will be cheaper but still more expensive than the basic start up tools for metalsmithing. Glassblowing however is extremely expensive requiring an annealer, glory hole (no not THAT kind for you dirty minds), and a furnace that runs all the time so it takes a great amount of glass. Coldworking tools are also very expensive. It is understandable why studio cost for glass students are always WAY higher than for metals students.
>> ^Porksandwich:
Glass and smithing are two things I'd like to at least say I'd made something from, even if they looked like crap. Glass is probably the bigger one because it's something you could more likely do at home and on a lower budget. But they are both one of those things where I think you need a apprenticeship in to keep from doing stupid things that could potentially kill or maim you bad enough to screw you up for life.



Honestly don't know enough about either to say one way or another. Glass seemed like it would be cleaner and something you could do without a full production setup, where as blacksmithing would be something you have to go full bore on to do anything worthwhile.

I know they have some metal like substances people use for jewelry and such now that only require a small oven. They are like some kind of clay-ish substance that you mold by hand how you want then bake it to get the metal like look. And I may even be half informed on that as well.

Although I can think of one type of glass creation that I've always wanted to make and keep, where you find a beach and stick a metal rod into the sand to capture the lightning formation as it heats up the sand to glass at the end of the lightning rod. Nothing really man created about it, just kind of coaxed.

Amateur Rocket Soars to 121,000 Feet

Revenant2428 says...

>> ^jmd:

no one ever explained what that crap was that marred the down pointing camera the entire launch. When they picked up the rocket it looked like molten metal, but the rocket isn't achieving speeds great enough to heat up the tip from air friction.



They did, or at least what they thought it was. At one point they were saying something about how the caulking melted off when they were showing the camera portion after it landed.

Amateur Rocket Soars to 121,000 Feet

jmd says...

no one ever explained what that crap was that marred the down pointing camera the entire launch. When they picked up the rocket it looked like molten metal, but the rocket isn't achieving speeds great enough to heat up the tip from air friction.



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