Info about Cockroft-Walton generator (multiplier). Answered

I'm making Cockroft-Walton generators again after some time and some problems I had, and I would like to ask some questions I couldn't answer by myself so I don't end breaking this new one I'm making. Is it bad to run the multiplier with the sole intention of making arcs? Could the discharge end damaging the diodes? I've been running the ones I created with UF4007 diodes, which have a peak amperage of 30A, now I'm using two BA159 in series (so I can set the voltage up to 2kV), they have a peak amperage of 20A. If yes I guess there's no easy solution for this, other than to reduce the discharge current or get beefier diodes. Regarding to the previous question, does the whole capacitor array discharges when an arc strikes, or just the last/lasts one/ones? Thanks for your time.

Question by Victor805 4 years ago  |  last reply 4 years ago


voltage multiplier bath

I saw the voltage multiplier Instructablehttps://www.instructables.com/id/High-Voltage-Multiplier/and I'm wondering if it's necessary to put it in oil.My capacitors would be severely under volted (that should be a word, the past tense of volt, LOL) and the diodes wouldn't even be challenged.

Topic by guyfrom7up 11 years ago  |  last reply 11 years ago


Instructables Stickers are Multiplying

Squid Labs recently got a Roland 54" Printer/Cutter and we have been using it to print out the first round of Instructables stickers. Our initial batch was mailed out to the winners from the valentines day contest. Then, as we got the hang of how to use the crazy machine more appeared at the Instructables Show and Tell two weeks ago in Alameda, Austin and Boston. Now they are being sighted at the Port of Oakland and in Brooklyn, New York! It seems that our stickers like great views of city skylines, but I think they could be happy living just about anywhere. If you happen to see a sticker living in its "natural habitat", take a quick picture of it and post it up as a comment.If you would like a sticker, and don't have one, attend one of the Instructables Show and Tell events coming up, make a great instructable and get it into the Instructables News Letter, or send me a private message with your compelling story.

Topic by noahw 12 years ago  |  last reply 11 years ago


Cockroft Walton generator? Answered

 

Question by wwillia35 9 years ago  |  last reply 4 years ago


Can i use different capacitance values of capacitors for a voltage multiplier?

Question says it all

Question by ARJOON 7 years ago  |  last reply 7 years ago


Voltage multiplier and magnetic force?

Does magnetic force affect how much energy is multiplied by per section in a voltage multiplier like the one in this instructables: https://www.instructables.com/id/Build-a-Variable-High-Voltage-Power-Supply/ ? I was thinking of making this multiplier and to make it a bit more variable to make a voltage multiplier (electro-magnets around the capacitors) like the ac voltage muliplier on sparkbandbuzz.com

Question by pmk222 6 years ago  |  last reply 6 years ago


How to make a voltage multiplier?

I need to make a voltage multiplier that is cheap and easy to make and can get up to 20 times the input voltage(12 volts).  Its for an electric car design.  Can anyone help?

Question by Kalrag 8 years ago  |  last reply 8 years ago


What type of capacitors for Voltage Multiplier Circuit?

I want to make a voltage mutiplier circuit to get 30kV+ DC from 12kV AC, I'm not sure what type of capacitors to get or diodes. Also how many times does it multiply the voltage, for each set of 2 diodes and 2 capacitors

Question by JunaidA44 3 years ago  |  last reply 3 years ago



how do i build a voltage multiplier for changing 6 volts to 12 volts using diodes and capasitors?

Hi, since my last question failed miserable resulting in me wasting a bunch of good dollars on a useless , and at the time what was described as a "voltage multiplier", uln2003an darlington transitor array which doent seem to do anything like i was told, i am going oldschool and building a voltage multiplier so i can switch a 12v relay card from here, to power 2 motors via remote control using a 9 amp 12 volt current (10 bats X 1.2v X 3A )X 3 sets in paralell , for my r/c tank which i have used a receiver from a toy car which i have increased its remote control signal to up to 100m away (its a 40mhz remote from china nothing special). anyway i am trying to aquire a 12 volt current ( any amperage above what seems to be less that 5 ma according to the relay cards description) from my receiver that gives me 6 volts 700ma from the motor and 4 volts 900ma for the servo. recently i lost a diode for one of the 4 relay cards i am using so i sent my mother to buy me a uln2003an from jaycar and a single 1n4148 diode from jaycar as well, somehow she was tricked into buying a 100 bulk pack (wich she payed twice for despite getting only 1 bulk pack) but did get me the diode i needed for the relay to work without blowing the "on " led rendeing the relay for somereason inoperable. i have 99 1n4148 diodes now and i want to know if i can make these into a voltage multiplier for the relay to get turned on at 12 volts, using capasitors as well, i know it can be doen, i just dont know what kind of capastor to use or how to assemble it once i have the capasitor. please help em i have een stuck with this for ages and the answer is no i dont know how to use a transistor to switch the relay all i see is 4 ports 12v in 12 v out (for switching relay on) and the switcing part wich is conected to relay contacts http://www.jaycar.com.au/productView.asp?ID=ZR1105&keywords;=1n4148&form;=KEYWORD http://www.jaycar.com.au/productView.asp?ID=KC5434&keywords;=relay+kit&form;=KEYWORD links to the diodes i have and the relay ard also heres the transistor i have http://www.jaycar.com.au/productView.asp?ID=ZK8855&keywords;=uln2003&form;=KEYWORD despite description it says uln2003an on the chip

Question by oldmanbeefjerky 8 years ago  |  last reply 8 years ago


is it possible to make lightning gloves?

A friend of mine is offering me big bucks if i build him  a pair of lightning gloves which would shoot large sparks or lightning from one glove to the other. now because ive never built a voltage multiplier befor ei would like to know if theres any problems with my idea which is i get a  small 12v battery pack for racing car i connect that bttery (with a resistor ) to a transformer i then make a voltage multiplier with hv capasitors and diodes to multiply the voltage until a certain voltage is obtained. however i do not know how hoigh the voltage should be so that it is not lethal, but can jump at least one meter from one glove to the other. also as a safety precaution a large copper wire suit should be worn which me and my friend used on my uncles high voltage vandegraf generator whish shot 20m lighnting at us in our loighting suits ontop of our diving suits , and we never felt a thing. anyways, can you please tell e the specs of everything i will need to acomplish my mission?

Question by oldmanbeefjerky 8 years ago  |  last reply 8 years ago


How can I remove the diodes from a modern television flyback transformer?

I need high voltage diodes for a voltage multiplier that I am currently building, however, there is no way that my parents will let me buy any. Therefore, I think that the best place to get some would be a modern television flyback transformer. I have many of them and they are easy to find. I do not care about the rest of the transformer. The primary and secondary windings along with the plastic case will all be discarded. Unfortunately, my attempts with a dremel have all failed. What can I do?

Question by Xellers 10 years ago  |  last reply 7 years ago


CPU: Multiplier vs. Bus Speed? Answered

Hi. I have been overclocking my new cpu (AMD Phenom II X2 550 BE) and I was all excited about having an unlocked multiplier, because of the Black Edition, yet I can't even stably change it! I was told that you should up the CPU bus speed as much as you can while leaving the CPU stable, then move on to the multiplier. Yet after I get to the stable bus speed (235) I can't up the multiplier even one notch. It is currently 15.5. This was the stock multiplier. My question is, is it worth it to lower the bus speed so I can stably increase the multiplier. And is there a way to stably increase the multiplier even after you max out the bus speed that I am obviously not doing? Thanks in advance.

Question by noobererer 9 years ago  |  last reply 9 years ago


Coilgun, Marx Generator or Voltage Multiplier

I am building a coilgun and I have constructed a coil with several thousand turns, an ohm meter measures its resistance at 300 ohms, so I am having trouble powering it, I ran 240v through it and got nothing. According to my calculations, I need to run 1000 volts at the minimum through the coil in order for it to work. From my research there are three ways to do that: 1)A really big transformer (sub optimal for many reasons) 2)A Marx Generator 3)or with a Voltage Multiplier. Now I realize that you are supposed to connect the voltage multiplier to the Marx Generator, but wouldn't it be easier to just to make more multiplier stages and remove the Marx Generator entirely? I've seen voltage multipliers go up to 15kv, which is more than enough.

Topic by geekman2 5 years ago  |  last reply 5 years ago


What does a "Q Multiplier" do? Answered

I recently picked up a Heathkit HD-11 "Q Multiplier" for free, and I can't figure out what it does. I did some research online and figured out that it was used somewhere in older transmitters that had low IF frequencies. Unfortunately, I don't understand how I can use it. Also, I was confused because it only contains one tube, a 12AX7. The strange thing about this tube is that it is not suitable for radio frequencies because of its high miller capacitance. Everything appears to be intact and when I plug it in, the tube lights up. My questions are "What does it do exactly?", "What can I use it for?", and "Should I keep it, or take the parts out and reuse them?". My camera is broken at this point, so I can't post any pictures. Please help.

Question by Xellers 10 years ago  |  last reply 2 years ago


voltage multiplier for flourecent tube driver?

I have a flouro tube driver from an old scanner, when i put 12v dc it i get a nice tiny spark across the output wires now i want to make the spark BIGGER how could i do it with not many parts?

Question by The nerdling 6 years ago  |  last reply 6 years ago


How do you remove the high voltage diode from inside of a modern television flyback transformer?

I recently acquired an AC flyback transformer from an old vacuum tube television. I am planning on making a voltage multiplier for it to achieve voltages of 100kV +. Unfortunately, there is absolutely no way that my parents will let me buy anything at this moment, so I need a source of high voltage diodes and capacitors. Luckily, I have a big bag of capacitors, but I have no high voltage diodes. I do, however, have a pile of modern television flyback transformers that have built in high voltage diode stacks inside of them. I am wondering if there is anyway for me to liberate them. I do not care about the rest of the transformer. The coils can be damaged beyond all hope or repair, as long as I get the diodes out. So far all of my attempts at dremeling the transformers have resulted in a big white puff of dust from the insulation inside of the transformer. Any help is appreciated - Thank you.

Question by Xellers 10 years ago  |  last reply 9 years ago


Multiply your projector image with a prism & mirrors

I am experimenting with the idea of having several "cloned screens" out of one projector. The principle of light being split by a prism may yield very good results if colors are correctly displayed when using the prism with two mirrors to split the light in two directions. I will try this with an overhead projector first but if anybody has any suggestions please feel free to comment. Having the same image duplicated has a lot of advantages for projected movies in the park and businesses. Superbolw! Hockey! times two!

Topic by dejabox 11 years ago  |  last reply 11 years ago


Can someone share with me a schematic to multiply a dc source? That produces, obviously a higher, output. Answered

I have a bug zapping raquet and i would like to increase the voltage to create bigger spark gaps. Portability is key. Output in AC or DC doesnt matter to me, but I guess AC would get better arcs.

Question by blindpyro 7 years ago  |  last reply 7 years ago


Where can i find prints to a voltage multiplier for 9or 12 v?

I need to build a voltage multiplier for 9v to about 4kv

Question by tulavatalo 10 years ago  |  last reply 10 years ago


multiply -7 (2a square minus 4) how do i work the problem?

Im doing basic concepts in algebra and i need to how to solve this pronlem

Question by toinette0823 9 years ago  |  last reply 9 years ago


Parts for a high voltage supply?

I am trying to make a power 100-200kv power supply. I plan to do this by putting the positive output of a 7.5 kv flyback transformer through a cockroft walton multiplier. I have never done something like this before, so I am not completely sure about everything. I plan to make the multiplier with 14-15 stages. I thought that it would be okay to use 10 kv DC 1000pf ceramic disk capacitors in the multiplier. One thing I'm not sure about though is whether or not the flyback outputs DC or AC electricity. I assume it is DC since the input is rectified, but if it still is producing AC then I should probably use 15-20kv rated caps. The main thing is that I don't know what diodes to use. I thought I would use 1N4007 or something similar but the peak reverse voltage is only 1 kv. Does anyone know what type of diode to use, and where to get it at a reasonable price (below $2 per unit preferably)? 

Question by Higgs Boson 6 years ago  |  last reply 6 years ago


can I turn 2A into 5A? Answered

I am makinga hot wire foam cutter and using the hot wire foam calculator from Shawn James and it says that I need a supply of 7.5V 5A, but my transformer only gives 2 A. I've seen voltage multipliers and I don't know if there's a current multiplier. If so, please give me the instructions to make one.

Question by tgferreira184 6 years ago  |  last reply 6 years ago


Arduino output multiplier: What's a good way to get more pins on my Arduino?

I want more outputs for my Arduino Duemilanove. I want to run a simple 16x16 LED matrix but I'd need more pins. Most instructions I find use one of several chips such as the 7442 1 of 10 decoder IC, another option might be a couple of 4017 decade counters. Can anybody recommend a method that is widely used and well documented?

Question by snotty 9 years ago  |  last reply 9 years ago


Help application note on for High voltage supply of 12kv, 6kv from 24V AC, 50

Dear forum members. I am looking for HV multiplier circuit that accept 24V AC, 50 Hz and convert it to two HV outputs 1) 6KV , 2 mA 2) 12 KV , 2mA Can anybody have such application details, or made by themselves, or any app note reference. OR anyone had instructables on this site. Please give me such details on my email id "bdmehta@yahooo.com Regards, Bharatkumar

Topic by bdmehta 10 years ago


Read others Mind!

Lets start quickly without taking much of your time.... 1. Keep a simple +ve and non-zero number in mind, example 3, 45, 79 or anything 2. Add 2 to that number, Feel free to use a pen, paper and computer calculator 3. multiply by two 4. add 10 5. add 20 6. devide by two 7. substract 15 8. substract the original number you had in step 1 9. add 6 10. multiply by 5 11. add 59 12. NOW THE RESULT OF all your calculation is 99, is that right?

Topic by avinash 11 years ago  |  last reply 4 years ago


How can I multiply/double (or just increase) voltage in a DV 5v curcuit ???

ok i have the following parts to ue for this: (all leftovers from former project..)  :) 1x mosfet IRF510 power transistor 5,6A 100V 9x 2N3904 amplifier transistors 40V 0,2 A .0.625 W ~16x 1uF capacitors 50V ~99x recifier diodes 1A 50V ~35x 2k resistors  0.25 W the idea is to charge a battery pack consisting of 4x 1,2-1,25V = 4,8-5V 3000mah AA nimh batteries using my 5v usb wall charger that has 1A output! i tried connecting the battery pack directly to + and - and 'i think' its starting to charge but after 1-2 hours at full rate (5v 1a) it should be at least 50% charged (3 hours would be full charge -> 5W x 3 = 15W), but if i connect them they last for about 2 -3 minutes and then empty again!! so after this im concerned that i might need at lest 6V-10V to achieve the desired effect !!  -> charge 15W NIMH batterpack with wall charger (nokia ac-60e.. 1-1,5A) i nless than 3 hours (as like a phone would need !!) therefore i need a cuirciut (ONLY DC) to double my 5V OUTPUT to 10V (yiou shouldnt apply more than twice the curent of a batter pack) or ideally 6-7 V but i dont know if thats possible without a swiching IC or more different resistors.. so just doubling would be nice at the moment!!  

Topic by sblocc10 1 year ago  |  last reply 1 year ago


How much does float slow down arduino calculations, how do I avoid float values? Answered

I am writing a sketch with about 3 float numbers that go through some simple calculations such as divide and multiply. The calculations are very simple and only about 3 or four lines of code. I can't have this slowing down the reading of my interrupt pin. Can I store the numbers by multiplying until I have a whole number and store them as a int. Then divide them back out in the calculation? Thanks any help would be appreciated, David.

Question by David97 5 years ago  |  last reply 5 years ago


How do I build a mechanical calculator? Answered

I'm planning to build a mechanical calculator which can add, subtract and multiply.. I cant find any help. Can anybody give me some links where i can be guided better?

Question by Yashknowsbetter 9 years ago  |  last reply 6 years ago


How to make Arduino "remember" button presses?

Ok so I have a rocker switch. Every time it connects, I wan't Arduino to remember how many times I pressed the button. Then I wan't to be able to multiply a number (say 15) by the amount of button presses.

Question by HavocRC 6 years ago  |  last reply 6 years ago


Cockcroft–Walton High Voltage Power Supply

Greetings! I have wanted to begin experimenting with high voltages recently and have already collected a series of projects that I would like to conduct. The only issue is that of my high voltage power supply. I have not the funds or resources to buy into a NST or MOT system and ended up looking for alternatives. I at first tried the ignition coil route that ended in failure and have now moved on. My question is, will a Cockcroft–Walton generator be able to run say, a tesla coil, jacob's ladder, or even a farnsworth fusor given that the necessary voltage is outputted from the multiplier.  Kind of between a rock and a hard place here, Thanks anyway!

Topic by SidC1 4 years ago  |  last reply 4 years ago


How many farads do I need (capacitor)?

I'm making a voltage multiplier circuit which involves the use of diodes and capacitors but I'm not sure how many farads I'd need for the capacitors. The input voltage for the first stage is 12kV 30mA.

Question by JunaidA44 3 years ago  |  last reply 3 years ago


How can I rig a cabled pulley system for a homemade weight machine?

That gives both variable resistance through range of motion (lighter at start, full weight at end) AND force multiplying where e.g. 20 lbs becomes 80 lbs (added weight effect with less plates).

Question by vwchest 9 years ago  |  last reply 9 years ago


I want to increase my 4.5v DC to 9v DC (actually little above 9v. 10v will be good), so plz help me out for this...?

 and current 0.5Amp is required......hoping any voltage multiplier circuit can do it. plz help.  srrry bad English!!

Question by anuk07 7 years ago  |  last reply 7 years ago


easy way of converting dc into ac

Does anybody know of an cheap simple circuit, using only a few components, to convert dc into ac or pulsed dc? I'm going to be using a super capacitor that's rated for 2.5 volts and I want more out of it, so the output is going to be put through a voltage multiplier circuit.

Topic by guyfrom7up 11 years ago  |  last reply 11 years ago


Why not get high voltage by boosting 300V to say 2KV ?

Hi, I plan to build High Voltage of 4KV. The output current is very low (say 100uA). I intend to use this as focus voltage in a CRT application. Hence, I am exploring the ways to do so. I have seen people building high voltage (8-20KV) using transformer followed by voltage multipliers. Now a days, MOSFETs are available which can withstand voltage upto 4.5KV. So it should be possible to create boost converter which could boost 300V to 2KV. Then one can further boost the voltage using voltage multipliers. The input voltage of 300V is achieved by rectifying the line voltage of 220V/50Hz. Visiting internet, I do not see anybody doing so. Hence I wonder what could be wrong in doing something of this kind. Could somebody elaborate ? Regards, Hardeep

Question by hardeeps 5 years ago  |  last reply 5 years ago


Sensor Help with Arduino

Hi all! I need help with trying to figure out datasheets. I was digging through my electronics when I found and LM35 sensor. So I looked up the datasheet but I couldn't find out how to convert the analog output to a temperature. I found an i'ble on how to do it but I want to know how to find that information in the datasheet so that next time I get something I'll be able to do it myself. I looked at all the curves and none of them seemed to be temperature vs. voltage. I also looked through the whole first part and couldn't find the multiplier. Also does that multiplier change with the amount of voltage you supply the LM35 with? Say I use 5 volts. Will it give a different reading over 4.5 volts? There's so much technical and complicated data that I don't know what to look for. Here is the link to the datasheet http://www.ti.com/lit/ds/symlink/lm35.pdf Thanks!

Topic by HavocRC 5 years ago  |  last reply 5 years ago


how can you use a tetrode in a vttc? Answered

I have this ww2 nos 803 pentode tube that can be used as a tetrode tube. It has a 350 watt rating and i want to use it in  a class c armstrong oss. How would i do that, and what resistors should i use, the power supply is a 2kv voltage multiplier

Question by electricfan 9 years ago  |  last reply 9 years ago


If I have the calculations for a bandpass enclosure, can I simply multiply them by 2 if I want an additional subwoofer? Answered

I have 2 identical 12 inch subwoofers. I have the measurements from the company for a bandpass enclosure, but the box is only meant to house one driver. I want to build ONE box but have BOTH subwoofers in it. Would I simply multiply all the measurements by 2? Would I need to do anything with the port dimensions? Or would I just be able to dual port it? Or is there some other steps that I have to do. Here are the measurements just in case any one wants to see them: (Vf) Box Volume - .84 Cu. Ft. (Vr) Box Volume - .91 Cu. Ft. (P) Port ID - 4" (P) Port Length - 4.25" Dimensions: Width - 15" Height - 20.75" Depth - 15" (Sb) 9.25" Legend Vf (Front Chamber (Ported Section)) Vr (Rear Chamber) (Sealed Section)) Sb (Speaker Baffle Location (Vf's height) Any help would be much appreciated.             Thanks

Question by brandencota 8 years ago  |  last reply 8 years ago


Configuring LED in a series, where do I place the resistor?

If I was going to a configuration of 3 LED lights (10MM), do I need a resistor for each or only for one? And if only for one, how do I calculate for the resistor I need, i.e., does the resistor need to take into account the output of each LED and multiply by 3? Very new at this, trying to learn as much as I can. All advice is greatly appreciated.

Topic by shindakaeru 3 years ago  |  last reply 3 years ago


3 LED light question

I am just curious as to what I might need, if any for a resistor. I plan to run 3 white LED's, using a single 9v. I jumped ahead and hooked up one set to see how it works, and it seems to work great, each LED is packaged as running at 3.2v, so I figured 3 would be alright on a 9v battery. Is a resistor required or necessary if I multiply in this manner?

Topic by Soloratov 10 years ago  |  last reply 10 years ago


Split Tesla coils anyone?!

I am collecting data in the form of old pics, patents, newpaper and magazine articles as well as just doing things.Tesla coils are fun but is anyone experimenting with the original "multiplying transformer" that Tesla created?And before you say, sure I have a Tesla coil......I mean:Large diameter primary coil with one part of the secondary in very close proximity while the other half of the secondary is located at the center ;)

Topic by Downunder35m 8 months ago  |  last reply 7 months ago


Are you good at Rockband? Are you new? Lot's of Information about Rockband, I will anwser ANY questions... I will not know EVERYTHING

So, I'm like 500th something in the world in RockBand. To Prove it, here are all the songs I've gold starred. The Lines mean that I didn't gold star the next song(s). Like for example, I gold starred the first 17 songs. I will list 17 songs, then make a line. The songs with the "*" next to them are Fc's only a few :(Say it Ain't so By WeezerCreep By RadioheadI think I'm paranoid By GarbageWanted Dead or Alive By Bon JoviIn Bloom By NirvanaGimme Shelter By The Rolling StonesWave of Mutilation By (the most overrated band ever)The PixiesCelebrity Skin By HoleMississippi Queen By MountainHere it Goes Again By OK GoSuffragette City By David BowieMain Offender By the HivesMaps By the Yeah Yeah YeahsReptillia By The StrokesEpic By Faith No MoreBlitzkreig Bop By The RamonesShould I Stay or should I go? By The ClashBlack Hole Sun By SoundgardenThe Hand that Feeds By Nine Inch NailsSabotage By The Beastie BoysParanoid By Black SabbathDani California By The Red Hot Chili PeppersAre you gonna be my girl? By JetWelcome Home By Coheed & CambriaVasoline By The Stone Temple PilotsWhen You Were Young By The KillersGreen Grass and High Tides By The OutlawsEnter Sandman By MetallicaBONUS SONGSPleasure (Pleasure) By Bang CamaroBrain Power By FreezepopDownloaded SongsCharlene (I'm Right Behind You)* By Stephen and the ColbertsDirty Little Secret By The All American RejectsFranklin's Tower By The Grateful DeadHysteria By MuseI Need a Miracle By The Grateful DeadInterstate Love Song By The Stone Temple PilotsLimelight By RushMoving to Seattle By The MaterialNatural Disaster By The Plain White T'sPain and Pleasure* By Judas PriestPromised Land By VesuviusShe's a Handsome Woman By Panic! At the DiscoTen Speed (Of God's Blood and Burial)* By Coheed & CambriaYou've Got Another Thing Comin'* By Judas PriestIf you Gold Starred more than me (There's gotta be someone on Instructables), then make a forum topic, and gimme a link. Or you can just make a comment. To Make the lines used dashes (-).To make small text make 2 commas (,) the text, then 2 commas again.==Some terms that might be helpful:==-------------------------------------------------If someone uses the term "FC" it means "Full Combo". Full Combo means that you didn't overhit (look below), and you didn't miss any notes.If someone uses the term "Overhit", it means that you hit the drum where you don't have to.A drum fill, is something that looks like long notes that go across the "guitar neck". It is also known as the "Overdrive Activator". When you see the long notes, you have to hit at least three notes, and hit the green (or red if you play on lefty) pad when you see the green "bulb" pop up at the end of the notes.Overdrive is something that makes your multiplier go higher (and count by two). For example, if you have a multiplier of 4 (the highest) and you go into Overdrive, your multiplier goes up to 8. 1 makes 2, 2 makes 4, and 3 makes 6.Your multiplier multiplies the number of points. If you have a multiplier of 1, then each note will be 25. 2, is 50 each note, 3 is 75 each note, and 4 is 100 points.Again, if you have any questions, just ask.Some things you might

Topic by Flumpkins 10 years ago  |  last reply 10 years ago


do capacitors like this work?

Do capacitors like these:http://cgi.ebay.com/20KV-1000PF-High-Voltage-Ceramic-Disc-Capacitors-Y5T_W0QQitemZ360099674640QQcmdZViewItemQQptZBI_Electronic_Components?hash=item360099674640&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A15|39%3A1|240%3A1318work in applications like voltage multipliers, marx generators, etc. Or are they meant for something else? They seem like a really good deal and I just don't want to buy a ton of them to fail on me in like 2 seconds.

Topic by guyfrom7up 10 years ago  |  last reply 10 years ago


Does anyone know how to calculate the distance where a lightning has struck? Answered

I remember when I was a child we learned how to calculate the distance where a lightning has struck by counting the seconds between the time we saw the flash until we heard the thunder. I forgot the number that we multiplied the time by ( I think is the speed of sound). I thought about this after we had a nasty thunderstorm. Does anyone know?

Question by blkhawk 8 years ago  |  last reply 8 years ago


2 to the 2 to the 22 power

I recently took the pamel (pennsylvania math league test thing) and for one of the questions it said: rearrange the numbers 2 in anyway with mathmatical symbols to get the highest number possible. I though the answer was 2 to the 222 power The answer was 2 to the 2 to the 22 power Is this correct? I thought that you would multiply the powers to get 2 to the 44 power, now have the power to the power and get 2 to the 4194304 power.

Topic by guyfrom7up 11 years ago  |  last reply 11 years ago


Micro High Voltage

I'm going to attempt to make a super micro tesla coil that is 100% contained (unless it runs off of like 12 volts dc, then I'll use a wallwart). Of course, one of the i biggest problem is the power supply. So this is what I'm asking, what's the best way of ramping up the voltage? A tiny toroid transformer? An inductor that gets pulsed? Voltage Multiplier? Something with static electricity? Some type of Inverter? Using Greinacher Cascades? A marx generator hybrid? Other stuff I havn't heard of?

Topic by guyfrom7up 10 years ago  |  last reply 10 years ago


User statistics report -- breakdown by traffic source is buggy

Here's the second bug I've found with the resurrected user statistics report (/you/stats/).  If you choose the option "By Traffic Source", the y-axis scale and detailed numbers get really weird. The first plot below shows the inclusive last-3-months data for my top five I'bles, while the second shows the same data broken down by traffic source. As you can see, the data points are all at 62 and 125 (from which I guess that the first is actually 62.5 :-). I think what's happened is that the data has gotten multiplied by 500/8 before plotting.

Topic by kelseymh 8 years ago


How much Ampage (aprox) can you get out of a basic voltage doubler? Answered

What valus caps should I use? Is bigger better? (regerding the caps) Can you use electrolitic caps? Will a full-wave multiplier give more current then a half-wave? I'm looking at doubling 12V to aprox.24V for a fairly high ampage aplication (>4A) Can it be done? (I don't have a 1:2 transformer, and am unable to buy one) Thanks so much!!! Every and Any bit of help or advice is greatly apreaciated. Thanks again,                        Mike

Question by muttyfutty 9 years ago  |  last reply 9 years ago


student arrested for camera tazer... are dangerous instructables acceptable?

Well, a 14 year old boy in Connecticuit was arrest for modifing a disposable camera into a tazer, making it into a weapon. Well you may have noticed that instuctables shows multiply how to's on this very weapon. My question is, should dangerous and illegal instructables be tollerated on this site? I think anything that dangerous, or illegal should be taken off the site even though they are just for "informational purposes". I'm not saying that it is instructables or any authors of those instructions fault, but i think that there have to be more guild lines for what is acceptable.link to article: http://ca.news.yahoo.com/s/capress/080403/technology/technology_shocking_camera

Topic by hedgiehog 11 years ago  |  last reply 8 years ago