Ready made PWM from a battery drill.

A quick update,on my HHO projects.

Category:

Science & Technology

Tags:

• HHO
• electrolysis
• hydrogen
• PWM
• pulse
• width
• modulatorbrowns
• gas
• lawton
• meyer
• water
• fuel
• torch

[Ace011mm]

why battery drill when I can buy or made pwm? I try this battery pwm,and I cant control amps. Water heating and increase amps... meby I something do wrong?

[m3sca1]

@Ace011mm this drill PWM is the cheapest souce of PWM-thats the point.

increasing amps and heat will occur with most pulse sources,specially if you run it full throttle.

try an electric scooter PWM and buy it second hand-that will let you keep cost down and run it with low throttle.that should slow heating.

shorter pulses =less heat,but also less gas.

the freqency needs to resonate with the cell,so ultimately changing freq to match cell is best.

[Me102288]

@m3sca1 I used I lght dimmer switch, works great for $10

[m3sca1]

@Me102288 another good idea,when people are getting sucked into buying expensive units,there are always cheap alternatives...can also pool chlorinator control and also electric scooter pwm.

[man9170]

it is a crap drill

[m3sca1]

cheapest on the market!

[birdyboyblue]

@x65535x Sure, if one tries to go for too much and draws the limit of the alternator, say 60 amps, then they'll probably have some trouble; but I've got small unit delivering about 1.5 to 2 LPM and drawing 25 to 27 amps in a 2000 Ford Ranger for the last 6 months. Before it I got about 16 MPG and since I've had it about 24 MPG. So it does work.

[x65535x]

@birdyboyblue

The power isn't "free" the more current you draw from the alternator the more load you put on the engine. More load means higher fuel requirements. No, the hydrogen and oxygen from the water DON'T improve combustion. You lose efficiency in the whole system.

Considering most IC engines in cars are around 35% efficient in converting fuel to power (before drive train losses and other forces.) You're lowering efficiency.

[birdyboyblue]

@x65535x Yes, in an 'open' system (where the power for the electrolysis is coming from some outer source, then the HHO generation may not be efficient or viable at all. But in a 'closed' application, like in a vehicle, where the power source is getting replenished by the alternator anyways (and therefore the power is essentially free), an HHO system does increase the efficiency of the gas combustion and thereby less gas usage and better emmissions.

[Itsmeeman1]

@Me102288 How can a power supply and light switch pulse the flow of electricity? That's the point of the PWM. Pls explain.

[Me102288]

@m3sca1 ya, I was looking for a 12volt 30amp adjustablle power supply, turns out they're like $300 to $700 :-\ so I made one from a pc atx power supply and a light dimmer.. works perfect for what I need it for (hydrgon generator) worked great, after I got a circuitr breaker and ampmeter the whole thing was less then $30 for the same 30amp at 12volts (dc) woohoo? lol

[Blodslav]

@x65535x Just took the liberty of looking up the energy density for hydrogen (it's 143 MJ/Kg, in contrast to lithium-based batteries: 1-2Mj/Kg) Even though it takes more energy to refine than it produces, hydrogen is usefull for A) applications where a massive expenditure of energy is required (launching a shuttle into orbit) B) Applications where low weight and volume are required (vehicles, interplanetary shuttles), C) In cases where generating solar energy is insufficient.

[Blodslav]

@x65535x Electrolysis IS a very inefficient process, but I think you fail to see the possibilities this can bring in the future. With water being the second most common molecular compound in the universe, It is readily available. Electrolysis does not only produce fuel, but oxygen as well. I'm not sure, but I think it's quite possible that when compressed hydrogen has energy densities way above most batteries, also note that hydrogens spectacular reaction rate is a plus.

[Ace011mm]

@m3sca1 Thanx! But I can made simple pwm with 556 timer for 10 euro or Meyers pwm for 20 euro or buy battery drill pwm separated for 5 euros. New battery drill cost about 20 euro,cheapest one in my country! I have one old and use pwm but in full throttle dont work,and in low throttle work but so much heating and I stop! I cant understand why,pwm is for 12 amps and I run just 8 amps straight DC?