Imhotep's Lab Interactive FAQ

sorry im having problems attaching files. if you send me your email ill send it directly to you

Mick: Thanks for the effort. I have some questions: the coil you added to the motor, how big should it be -- or the bigger the better? Also, the volts and amps are not constant over time, right? Then how can you get the watt hours? Please send the stuff to: lanyjie at(that is: @) yahoo.com.

I use an ignition coil. When connected it causes the circuit to resonate and the fan stops turning. The size of coil is limited by the power that my transistor will take.

Size is definitely important although a big coil with lots of windings does not always perform better than a smaller one. I suspect it has something to do with the coil's inductance. low resistance is also important for high output.

Volts and amps do drop over time as the primary battery discharges, I take readings every 5 mins during a test and use a spreadsheet to do the calculations.

How about trying coil with toroid or ferrite core?

Its a bit limited what i can get here in SE asia but i would be interested to here about different configurations that people have used

Forget the motor/fan and the trigger coil totally but just pulse the power coil by controlling the transistor with a pulse from a 555 chip operating in astable mode?

My goal is to get off the grid, so using a motor configuration gives me the ability to collect the magnetic output too, allowing an even higher cop.

This has not been easy within the limited size and power of a Bedini fan but i have surrounded the motor with coils and been able to get 5v at a few milliamps from them.

My next step is to build a motor that is bigger so that i can fit larger coils on the collection side

You can get it from broken power supply for smaller one. Maybe stack it together to make a larger one.


We can't call it Bedini then lol. I think the 555 chip will fry at high charging amp.

Sorry Lanenal, but this just isnt the same thing. It will still work somewhat, Ive done some like this, used Fets and big IGBT etc. There is part of the effect that is missing in solid state. Sure other parameters can be exploited, like switching speed, and portability. One of the big differences I believe is the increased inductance the coil presents with a passing magnet. Flux is inducted into the coil, the inductance increases and you trigger it at just the right time.

Read through Teslas ozone patent regarding the importance of High Self Inductance.

On a side note I am getting excellent efficiencies with my Quadfilar Monopole. Repeated Cop over 1 Tests.

Run battery is 18 amp hour, and starts @ 12.9v.

Charge batteries are 2 x 12 amp hour starting at 12.33v


At the end of the run the Run battery is resting @ 12.30v and both 12 amp hours have hit over 15v, fully charged. Thats 18 amp hours charging 24 amp hours plus mechanical output. Cant complain with those numbers. 12 amp hours are consistantly load tested too, @ their C20 rate. They hold up great on my Imhotep ignition coil oscillator.

Regards.

Ren,
Hmm - doesn't it begin to smell like OU - inkluding the mecanical output?