Figured you had a good shot at getting this to work.
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Bedini's Kromrey Converter
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Hi All,
Just uploaded a video of the converter onto youtube. Check it out if you want.
Cheers,
Steve
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Thats pretty good.
I'll tell ya the true test to see if your converting is to switch polarity of your charger to the battery. Swap the wires. Bedini did it in the movie and the battery still charges, with no sparks.
The cold current has no polarity preference. I think anyway.
Nice work though.
How are you coils wrapped?
Matt
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Hi,
I'll try that. I dont remember that on the vid, but we'll see what happens.
Cheers,
Steve
P.S Just tried it. All the wires start to cook and the rectifier gets very hot. I think the only reason Bedini got away with it in the DVD is because he had a load in between the rectifier and the battery, and it was only for a little bit. However I did test charging the battery with only tiny strands of wire and it works great. Nothing gets hot or welds together.
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impressive work Turion and Dambit
Well done to the both of you as well as all replicators in this thread.
I skimmed over the design specs and was technically discouraged. Way to work this one out.
Really hoping to see some positive results! Thanks for doing the difficult work. Hope to be back soon. Love to see some temp indications.
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Hi,
@ Penno; the link to the Jaycar kit is below.
12-24V High Current Motor Speed Controller Kit - Jaycar Electronics
@ Matt;
I went back and found the part in the DVD your refering too. That is interesting, his was fine. I think mine got hot not from the kromrey out put, but from the battery feeding back through the rectifier. Maybe his rectifier had some extra diodes in it
Cheers guys,
Steve.
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@penno64, Here is a link to another high current PWM motor control.
I have bought from Q-KIts a fair bit and have no issues.
QKits Electronic Kits: UK1133, 45A Digital DC PWM Motor Speed Controller
Bill H.
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Hi Steve,
Jaycar were able to finally locate a PWM at one of the other stores and
had it transfered back to Rydalmere.
I have now assembled and tested the unit.
Was a good build and I am now learning how to control things via the menus.
Thanks.
Penno
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Great to know.
I have once again put my kromrey machine aside for a little while. I have my final semester of study on at the moment so I'm too busy to tinker around in the shed at the moment. I will pick it up again in a few months though.
Cheers,
Steve
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Nice
Originally posted by dambit View PostHi Timm,
I have used 0.28mm wire for each of my coils. I haven't twisted them or done anything special. Each coil is a seperate trifilar setup with the wires joined at each end to form a parallel setup. Each coil is then connected to the next coil in a series setup. It is important that all the coils are wound in the same way, ie clockwise or cclockwise. Coils # 3 and 4 are then simply rotated upsidedown. Each coil has approximately 800 turns. The total resistance when they are all connected in series is 17.5 ohms
I've attached a pic to make it clearer.
As far as my mechanical problems go, I have ordered all the new parts and am now just waiting impatiently The stuff should arrive soon enough though.
Cheers,
Steve
I just seen your youtube clip and was very impressed, glad to see it replicated
Regards
Zero
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