Recent content by infamous_Q

Hey, I've been looking around, and can't seem to find much. how do torque wrenches work? Regular ones, electrical/hydraulic ones, and the one's that check torques (either mechanical or electrical). Any info that can be given would be great... actually, another quick question on that as well...

so in series you can charge at a higher voltage, and then discharge at a higher current? (although this would mean that the capacitor would discharge much faster than it charged). And if charged in parallel it can be at a high current, and discharged at a high voltage (over a longer period of...

yes. ok. i get the no free lunch part. But assuming you charged to full capacitance, wouldn't the energy inside the capacitor be the same? Regardless of whether it was in series or parallel?

so then...charging in series would take less time. And then discharging in parallel would provide the same amount of power as was put in, just over a longer period? ...theoretically..

Ok. So putting capacitors in series decreases the capacitance of the circuit (and correct me if I'm wrong any where in this, and I'm likely to be). So this would mean it would take less time to charge, I'm assuming. What if you charged a set of, say 3, capacitors in series, then hooked them up...

well, in regard to my research...there really isn't any, just some flakey ideas, this is the extent of it. and yes it's regarding some sort of hover craft, the idea for this is lift and propulsion, which is why the high flow rate is needed. Any ideas now? lol. thanks guys.

is it really that important or is it just that you're curious?

- flow rates in excess of 1m^3/s are what I am looking for. - large tube to smaller tube

alright, the application (in the most basic sense) is air flowing from one large tube (about 10cm in radius) to a small tube (2.5-5cm in radius) and then the air flows through the fan (seperately driven by a motor). Basically any type of fan can be applied to this (space isn't too much of an...

Hey everyone i was just wondering, for future reference, which type of fan generally yields the greatest output velocity/volumetric flowrate and a relatively low pressure drop (ie like +/- 10kpa sort of thing), assuming axial speed is the same for each of the general types of fans. This would be...

ok i guess that makes more sense. the reason i was so confused i believe is because of the way my professor explained a basic BJT as an amplifier (looking back at it again i think i may have screwed up what iw as saying quite badly...lol, let me try this again): (this is on a pnp bjt, and...

k. thanks guys, the amplifier use is what really got me. which I'm still confused about. say for a car amplifier (without adding an extra battery) you have the little 5V signal from the cd deck, or a preamp out, and the car battery (no idea on the voltage or current of these) hooked up the...

ok, so time varying...what if its the voltage is basically constant? (ie, the input is a constant voltage, and/or the output is a nearly constant voltage) as for the power out of nothing...lets try the example with a bigger gap. 9V on the base (with the resistance in that circuit let's say...

oops my bad. i meant .9W then (sorry i went back and changed something and forgot to change everything else it related to). as for what type of transistor it is let's say its a Bipolar Junction transistor (for sake of simplicity, and for more simplicity let's say we're not taking into account...

Ok so i recently actually learned what transistors due, when used as amplifiers (i always knew they acted as sort of switches). now my question is...how does this happen? Is it true that if i hooked up a 9v battery to the input side (lets say it puts out .1A due to resistance in the transistor...