The improved Flynn Gap.

[synchro1]

The Radio Shack 12 volt relay costs $6.49. The entire 3 relay switch should cost around twenty dollars with a nice pair of ferrite keepers. I bought two 3" knuckle nuts at a marine hardware store that work great. One 3 relay Flynn switch should power a double 2 disk magnet rotor in repulsion through a reed switch in series with a 12 volt battery. A pancake output coil should reflect the 2.6 OU COP right off the bat from the coupling advantage alone. This test platform does not involve reversing current, but allows for switched reluctance option at TDC compzred to it's PM hybrid cousin..

                                Once again: The 3 coupled relays should have the force of 8 linked inside the ferrite yolk, 8/3=2.6 COP.

[synchro1]

It's necessary to break the electromagnet coil and magnetic core free of the caseing!

40A SPST 12VDC automotive relay, simple plug-in
Switch voltage: 14VDC
Relay coil rating: 12VDC
Relay coil power (W, mW): 1.6W
Nominal current at 68°: 133mA, nominal voltage: 12VDC

[synchro1]

Removing the coils from the relay caseings can turn a bit challenging when prying the final steel wall away from the core end. The core end's peened over it a little and it takes a little extra strength to pop it off. Test them after they're freed. I have 3 functioning electromagnetic coils sitting in a row on my test bench, and a bad one in my junk box from over prying on. New oversized knuckle nut keepers are next first thing Monday. I plan to wire the switch over a sping scale hook and test for strength by pulling a keeper off..

[synchro1]

Anguswangus has an interesting rotor with Leedskalnin output coils. His neo disks pass between the horseshoe keepers, held in opposition on either side of a bicycle bearing type rotor wheel. I think I'll try his approach.

High permeability ferrite keepers may cut down on remnance and saturation issues should they arise. Higher perm keepers will permit faster switching time and more r.p.m.'s.

Preliminary testing is very pomising for the Flynn coupling gain projections. The 4x the power with 2 magnets and again with 2 relays between the keepers has tested out to match Flynn's gain results. Two relays between the keepers really makes a hugh difference when energized together. The forceful locking effect of 4x's the strength shown with the second relay is awesome!

Anguswangus has also sucessfully demonstrated Lenz delay with his horsehoe type output coils and his opposed magnet overhead rotor.

[synchro1]

I built a 8" diameter plastic rotor into a pair of PVC upright's that house a set of 1/4" ball bearings. The Axel is matched in size to the width of the three relay electromagnet and keepers. It looks like a ferris wheel from the side. The improved "Synchro Switch" is positioned between the base legs, with the keepers facing upwards. A commutator crescent would fit nicely on the side of the rotor disk. A second one would permit polarity shift like the Lutec with the inclusion of a second battery. Extending the frame overhead would allow for the positioning of one or a number of AW(Anguswangus) horseshoe configured output coils. These coils demonstrate Lenz Delay at low r.p.ms. due the the long core lag time!


The two ceramic disks and the thickness of the rotor plate are narrower then the length of the electromagnetic coils. The rotor and the magnets fit cleanly between the keepers. The rotor is balanced true enough with ball bearings and PVC cups to clear the keepers closely without touching. I plan to glue eight disk magnets to the rotor. This build is falling together like magic. The PVC coupling's give the builder a broad range of options with the elbows, T's and cross's.