Thane Heins Perepiteia Replications

[CRANKYpants]

question: One of contemporary coils of yours (22 gauge-bifilar) what is the maximum energy you can extract from it in order to marginally start acting as a break (or break even )

THE LAST SET OF 22 GAUGE BI-FILAR COILS WERE DESIGNED TO NOT ACCELERATE - BUT THEY ENDED UP PRODUCING THE MOST ACCELERATION SO FAR. THE NEXT COILS WILL BE 18 GAUGE SO WE WILL SEE...?

question2: It's better (in energy amount terms) to extract energy directly from HV coils or just employing shorted HV coils as "motors" and having HC coils (on them or physically spaced apart) for the generator part?

THIS ANSWER SHOULD BE SELF EVIDENT FROM THE DATA IN MY LAST POST.

THE HC COILS PROVIDE A DECELERATING 7 WATTS AND THE ENERGY PRODUCING HV COILS PROVIDE 37 WATTS AND OVERIDE THE DECELERATING 7 CONVENTIONAL WATTS.

WITH LARGER GAUGE WIRE THIS 37 WATTS OUGHT TO BE EVEN HIGHER APPROACHING 100 WATTS.

I WOULD NEVER EVER USE HC COILS AGAIN. (FAMOUS LAST WORDS)
ALTHOUGH SWITCHED PARALLEL CONNECTED BI-FILARS WILL PROVIDE GOOD REGEN-BRAKING IN AN EV. SO AGAIN IT ALL DEPENDS ON WHAT REACTION YOU WANT TO CREATE.

(audio speakers) of extra thin laminations, high saturation levels, very little eddie currents and hysteresis losses.

WOW! THIS IS A REALLY GREAT IDEA! I WILL TRY THIS ALSO - MAYBE LC AS WELL?

The pulsed motor will be dismantled and a high efficiency permanent magnet dc motor will take the job.

DON'T FORGET THAT A PM DC MOTOR IS VERY HARD TO ACCELERATE AND IF IT DOES, IT THEN BECOMES A DC GENERATOR AND IS SELF LIMITING - AN AC INDUCTION MOTOR BECOMES A GENERATOR AS WELL BUT YOU STILL GET GOOD ACCELERATION.

WHY NOT MAKE 5 HV COILS - USE 3 (OR ALL 5) OF THEM AS MOTOR COILS TO GET THE ROTOR UP TO SPEED ABOVE THE CRITICAL MINIMUM SPEED THRESHOLD AND THEN GRADUALLY SWITCH THE COILS OVER TO ACCELERATING GENERATOR COILS?

YOU SEEM TO HAVE THE CAPACITY TO DO THIS? 
AND IT IS OUR EVENTUAL PLAN AS WELL SO YOU CAN LEAD THE WAY ON THIS ONE!

GOTOLUC HAS A REALLY NEAT DC INDUCTION/NEWMAN MOTOR WHERE THE STATOR CURRENT DROPS WHEN THE MOTOR IS LOADED - SO THIS MIGHT BE WORTH LOOKING INTO AS WELL?

Finally after some experimenting i plan at upgrading rotor's performance by adding six south poles double stacted neos betweeen the 6 north ones.
We see from there..
Regards,
Baroutologos

SOUNDS LIKE A PLAN - GOOD LUCK!
T

[wattsup]

@i_ron

Regarding your scope shots, can you explain like in slow motion, what is happening to make the curve go up then down. Seems to me that since the magnets are separated having either north then south facing the core all moving in the same direction, would it be correct to say the north magnet makes the top half curve and the south magnet then makes the bottom half curve and so on (or vise-versa depending on the core winding direction). Does this mean each two magnets makes one full wave and therefore the overall frequency should be (total magnets divided by two, times the rpm).

But then as the second half of the north leaves the core, the first half of the south is already on the core so there has to be a doubling curve somewhere to show the south starting before the north leaves the core. So it is rather weird to see such a smooth curve as you are showing. Or am I confusing the issue.

Last question. I saw there are some neo magnets that have a nice conical center hole for easy mounting. Could these be used with conical headed aluminum screws to simplify the magnet mounting on a rotor. I am considering this for a trial build but am wondering if such a mounting would be secure enough when exposed to such rotations. I am thinking of using a 1/2" or 3/4" thick aluminum rotor (to have some good mass in the wheel) so there is no drag potential between an energized coil core and the metal of the wheel.

[markdansie]

@wattsup
good to see you are alive and well.
Just wondering how thw Mylow replication went?
any useful data from your tests.
@Crankypants
I was just wondering if you populated yoyur device before earthday whith any more coils
and if you did what happenned?
Mark

[CRANKYpants]

@Crankypants
I was just wondering if you populated yoyur device before earthday whith any more coils
and if you did what happenned?
Mark

NO THERE IS NO POINT TO ADDING MORE COILS AT THIS POINT BECAUSE IT ADDS COGGING TORQUE AND THE MOTOR CANNOT START UP UNLESS YOU GRADUALLY "CLOSE THE DOOR" AND BRING THE COILS INTO POSITION ONCE THE ROTOR IS UP TO SPEED.

THIS IS NOT FEASIBLE BECAUSE THE PROTOYPE IS SETUP AND SAFETY IS PARAMOUNT WHEN GIVING DEMOS TO STRATEGIC PARTNERS/INVESTORS.

- ALSO DURING THE DEMOS THERE OUGHT TO BE AS LITTLE FUSSING ABOUT AS POSSIBLE.

WHAT I AM GOING TO DO HOWEVER, IS BUILD ANOTHER PROTOTYPE WITH TWO MORE COILS - ONLY WITH LARGER GAUGE WIRE 18 OR 20 GAUGE (FOR MORE POWER) AND I AM GOING TO TRY TO REDUCE THE ACCELERATION IN FAVOUR OF OUTPUT POWER. - TO SHOW SCALABILITY.

T

[broli]

WHEN THE COIL/CORE IS DIRECTLY OVER THE MAGNET THE INDUCED VOLTAGE IS MAXIMUM NOT ZERO.

AS THE COIL/CORE MOVES AWAY FROM THE MAGNET THE POLARITY CHANGES AND THE VOLTAGE BEGINS TO FALL TOWARDS ZERO.

THE INDUCED VOLTAGE DROPS TO ZERO WHEN THE COIL/CORE IS EXACTLY HALF WAY BETWEEN THE NEXT MAGNET ON THE ROTOR.
T

http://jnaudin.free.fr/images/magconfig.gif

Something like the scope shot on the right?

I know this has been discussed quite a few pages ago but I felt like pointing this out. I was also thinking of making its own thread about the romag generator.

http://jnaudin.free.fr/html/mromexp.htm
http://jnaudin.free.fr/html/mromag.htm
http://jnaudin.free.fr/html/dsqromag.htm