Bedini coil question BLACKLIST

[gyula]

Absolutely! However my results from testing with high voltage capacitor discharge is almost beyond belief.

If you wind two coils of 200 turns of 18 gauge and place them onto a vertical rod in opposite polarity of each other and fire a 3300uF cap charged to 120VDC (23.76 Joules) into the coils, they lift off the base by .75 to 1 inch distance.

If you take a coil with 3000 turns of 30 gauge wire, and then build a second coil. Place the two on a vertical rod in opposition to each other polarity wise, and fire a 5uF cap charge to 3Kv (22.5 Joules), the movement up the rod is massive, upwards of 5 inches or more, even though it weighs double the weight of the low voltage coil!

Thus the field created by the second case is far greater than the first case, even though they are being pulsed with the same amount of energy. This has staggering implications in terms of why Gray's system worked so well, and why other like Konehead and others are building motors of this type and getting very good results over low voltage DC pulse motor designs.

P.S. Do these experiments repeatedly on the lower voltage setup and the coil gets hot. On the high voltage setup it always stays cold or just slightly warm.

Tad

Hi Tad,

Would like to understand better your test setup. Could you answer these:

Did you connect the two coils electrically in series or in parallel?

You placed the coils vertically i.e. you stacked them one above the other, then how the lower coil on the base was able to move? You wrote both coils moved up? (if they repelled each other, the lower coil should stay in place? I am not sure on your term "two coils of opposing polarity": they repelled each other, right?)

Can you recall (or measure) the DC resistances of the coils? (for the 200 and 3000 turns)

Thanks, Gyula

[UncleFester]

Hi Tad,

Would like to understand better your test setup. Could you answer these:

Did you connect the two coils electrically in series or in parallel?

You placed the coils vertically i.e. you stacked them one above the other, then how the lower coil on the base was able to move? You wrote both coils moved up? (if they repelled each other, the lower coil should stay in place? I am not sure on your term "two coils of opposing polarity": they repelled each other, right?)

Can you recall (or measure) the DC resistances of the coils? (for the 200 and 3000 turns)

Thanks, Gyula

1. Parallel but coils can be connected either way.

2. Wooden dowel set into a wooden base, the coils slide over dowel to hold them in place as one coil slides upwards.

3. Only one coil moves up.

4. Yes, repelling each other.

5. I can check the resistance of both sets of coils again. The 30 gauge coils are like 251 Ohm, the low voltage coil is like 6 Ohm.

I need to set this up with a slide mechanism that tests how much force is actually being produced, like a slide break that puts some resistance against the coil moving, then a scale to tell how much force was applied. This would give an actual reading of force. Right now I just measure the height the coil reached for a given discharge energy.

Tad

[gyula]

1. Parallel but coils can be connected either way.

2. Wooden dowel set into a wooden base, the coils slide over dowel to hold them in place as one coil slides upwards.

3. Only one coil moves up.

4. Yes, repelling each other.

5. I can check the resistance of both sets of coils again. The 30 gauge coils are like 251 Ohm, the low voltage coil is like 6 Ohm.

I need to set this up with a slide mechanism that tests how much force is actually being produced, like a slide break that puts some resistance against the coil moving, then a scale to tell how much force was applied. This would give an actual reading of force. Right now I just measure the height the coil reached for a given discharge energy.

Tad

Thank you. Unfortunately the reason for the 3000 turn coil going up higher than the 200 turn coil can be explained by conventional physics I think.

Here is a link what At, Amper-turns mean, for those not familiar with it:
Ampere-turn - Wikipedia, the free encyclopedia

In case of the 200 turn coil the peak current from the 120V capacitor is 120/3=40Amper, (two coils in parallel have 3 Ohms), hence the Amperturns is 200*40=8000At
In case of the 3000 turn coil the peak current from the 3000V capacitor is 3000/125=24A, (two coils in parallel have 125 Ohm), hence the Amperturns is 3000*24=72000At.

The bigger coil has 9 times higher magneto motive force at the moment of switch-on than the smaller coil. This can explain the difference in height.

rgds, Gyula

[UncleFester]

Thank you. Unfortunately the reason for the 3000 turn coil going up higher than the 200 turn coil can be explained by conventional physics I think.

Here is a link what At, Amper-turns mean, for those not familiar with it:
Ampere-turn - Wikipedia, the free encyclopedia

In case of the 200 turn coil the peak current from the 120V capacitor is 120/3=40Amper, (two coils in parallel have 3 Ohms), hence the Amperturns is 200*40=8000At
In case of the 3000 turn coil the peak current from the 3000V capacitor is 3000/125=24A, (two coils in parallel have 125 Ohm), hence the Amperturns is 3000*24=72000At.

The bigger coil has 9 times higher magneto motive force at the moment of switch-on than the smaller coil. This can explain the difference in height.

rgds, Gyula

And still it only take 25 joules for either case. So if it takes the same amount of energy in either low voltage or high voltage, then the larger Ampere turns case can produce more torque for a given amount of energy. It's still a situation where you can maximize torque for a given wattage on the input in either case.

Tad

[gyula]

And still it only take 25 joules for either case. So if it takes the same amount of energy in either low voltage or high voltage, then the larger Ampere turns case can produce more torque for a given amount of energy. It's still a situation where you can maximize torque for a given wattage on the input in either case.

Tad

Yes, I agree.

If you can use in your setup the following "trick" to increase the height the coil is tossed up, then here it is to make your lower electromagnet stronger but still using the same current as before. You may know this though.
I saw this trick in an old patent where not a coil but a permanent magnet placed above an electromagnet is kicked up by a coil to a distance of 5/8" (1.58cm) when 300mA DC current is switched onto the electromagnet coil.
Then another permanent magnet is placed UNDER the electromagnet coil and for the same 300mA current into the same coil the upper permanent magnet is kicked up as high as 1 1/2" (3.81cm).
The patent is US3670189 from 1972 and you can see it here:
GATED PERMANENT MAGNET MOTOR
I attached Figs. 10 and 11 below and I edited in red arrow line the two distances involved.
Basically you can add part of the lower permanent magnet flux to that of the lower electromagnet coil.

rgds, Gyula

[UncleFester]

Yes, I agree.

If you can use in your setup the following "trick" to increase the height the coil is tossed up, then here it is to make your lower electromagnet stronger but still using the same current as before. You may know this though.
I saw this trick in an old patent where not a coil but a permanent magnet placed above an electromagnet is kicked up by a coil to a distance of 5/8" (1.58cm) when 300mA DC current is switched onto the electromagnet coil.
Then another permanent magnet is placed UNDER the electromagnet coil and for the same 300mA current into the same coil the upper permanent magnet is kicked up as high as 1 1/2" (3.81cm).
The patent is US3670189 from 1972 and you can see it here:
GATED PERMANENT MAGNET MOTOR
I attached Figs. 10 and 11 below and I edited in red arrow line the two distances involved.
Basically you can add part of the lower permanent magnet flux to that of the lower electromagnet coil.

rgds, Gyula

Thanks Gyula. We will know shortly weather the theory is workable in the real world = ).

Tad