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Re: what is the bottom line with hho?

Fri, 09/30/2016 - 18:50
Some people add methanol/water mist to their turbo diesel intakes to boost power. Not cheap, but if you tow a heavy trailer you might need it.

https://www.youtube.com/watch?v=XDlpa1NVJ0s   This is a mist system. Without the methanol you get no extra po...

Re: 5 blade vs 11 blade design

Fri, 09/30/2016 - 11:26
The effect of tower shadow on vibration is especially important for rotors turning behind the tower but it is also present for 3-bladed rotors as every time a blade passes the shadow, a push on the blade will be felt. For rotors turning before the towe...

Re: Using a ASC712 current sensor with UNO

Fri, 09/30/2016 - 10:02
That is the same problem with current ratings of a  FET.  The leads of a FET are many times smaller than the metal strip in a fuse.  They rate these at very small pulses.  Just took a FET out of a TV.  It was rated at 50A.  Nothing in a TV is drawing 5...

Re: what is the bottom line with hho?

Fri, 09/30/2016 - 09:51
Most of the HHO systems in cars are just glorified bubblers.  Many years back water injection was popular.  This actually works, it was used on fighters to take off.  Great antiknock agent.  The trouble is, best performance is adding 50% water to fuel ...

Re: Control for heating with solar off grid no batteries

Fri, 09/30/2016 - 09:30
You have already declared pot as an integer.  Now you need to read the A/D converter. the process is the same as before.


//  READ ANALOG VALUE AT PIN A3, setpoint pot
pot = analogRead(3);
// A/D values go from 0 to 1023

setpoint = setpoint - setpoint /...

Re: 5 blade vs 11 blade design

Fri, 09/30/2016 - 08:57
I also had heard that the tower shadowing issue was significant for 2 (and 1) blade turbines.

Rgds

Damon

Re: 5 blade vs 11 blade design

Fri, 09/30/2016 - 08:45
I'd understood that tower shadow could also be a contributor, the cyclic loading and unloading (or less loading) of the downward position blade.  I could imagine that it might be more of a factor with a sizable mono-tube tower, or perhaps an SSV (free-...

Re: what is the bottom line with hho?

Fri, 09/30/2016 - 07:55
Quote from: electrondady1 on Today at 07:00:30 AM
over the years people have tried and documented their automotive  hho generator experiments.
my understanding is, in combination with regular gasoline it improves mil...

Re: what is the bottom line with hho?

Fri, 09/30/2016 - 07:00
i have 4 small windmills with a total swept area of 33 sq. ft .
rectified to DC the outputs are combined and hooked to an electrolytic cell.
it's a nice load for the  mills
the hydrogen gas it produces is vented right now .
 but it is definitely fla...

Re: Control for heating with solar off grid no batteries

Fri, 09/30/2016 - 06:21
I changed the code that you mentioned to = 250 instead of = 255.  What else needs to be added to the code for the second pot to adjust set point ?  Where should I have entered  panelrndup   in the code ?

There has been very little sun here for several...

Re: 5 blade vs 11 blade design

Fri, 09/30/2016 - 01:56
The vibration of a 2-bladed rotor isn't caused by the difference in moment of inertia between the horizontal and vertical position of the blades. If the yawing angular velocity is constant, there is no moment required for acceleration around the tower ...

Re: Using a ASC712 current sensor with UNO

Thu, 09/29/2016 - 23:49
Yes, I was wondering how this small ACS712 circuit board can handle 30A current.
Probably only a few seconds.

Re: what is the bottom line with hho?

Thu, 09/29/2016 - 22:33
Made a few of those over the years..did one with aluminum plates..hit it with 12v. 10 amps  at the start..pulled the wires off ..and it sat their for hours makin HHo..all on its own..makin about 2.5 v out put as well..not as much out put to keep a a sm...

Re: what is the bottom line with hho?

Thu, 09/29/2016 - 21:50

The bottom line is it takes more energy to make the gas than what you get out of it.  End of short story.

Long story:

"Free" energy exists.  It's called Solar, wind, Biogas and Hydro. ANYTHING else is bunk.

I got inquisitive on this about 15 years a...

Re: what is the bottom line with hho?

Thu, 09/29/2016 - 19:09
We are a practical bunch. If it worked and made economic sense to do it, we would.

North Korea cooks waste vegetation to make flammable gas to run vehicles because they have to. The Nazis cooked coal to make fuel and other things because they had to.

I...

Re: F&P blade hubs

Thu, 09/29/2016 - 18:05
Nice but to expensive! I haven't decided on blades yet. If I am going to carve a set or find some online to order...

what is the bottom line with hho?

Thu, 09/29/2016 - 13:03
i recently got a book about fuel cells and started looking at youtube videos. are people really running a lawnmower engine with hho? what is the bottom line with power in and gas out? i understand there isn't "free" energy and would like to hear your o...

Re: Control for heating with solar off grid no batteries

Thu, 09/29/2016 - 13:01
Did another quick look.

// is count too high and makes narrow pulse?
  if (PWM3 >= 255) PWM3 = 255;  // FULLY ON

should be:
// is count too high and makes narrow pulse?
  if (PWM3 >= 250) PWM3 = 255;  // FULLY ON


You started adding code for a second po...

Re: 5kw Poncelet Wheel Project

Thu, 09/29/2016 - 12:07
Out of curiosity, what will the hydraulic pump be used for?

Re: Control for heating with solar off grid no batteries

Thu, 09/29/2016 - 06:30
The data is now printing out on the serial screen.  I made the changes you mentioned. The
 detailed information you gave made it easier for me to follow.  I'm going to go back over the posts to try and understand and check that I have not missed things...