Alternative motor windings and drive schemes

[Clugh]

Thank You...

Hubert

[Clugh]

TheRealBrenner Registered Users Thread Starter Join Date: Mar 2024 Location: USA, Michigan

I found Someone to Rewind Motors for Me... I found someone local to the United States to rewind motors for me. Hugh Hargett from North Carolina has rewound a ten-pole Pyro 600 for me, and I have successfully tested it in my Hui Yang Advantage Biplane. Hugh's rewound motor runs very well. The performance is identical to that of Bert Dekker's motors. The efficiency is also very good. I can't properly judge motor efficiency without flying the motor on separate days under different weather conditions because there was very little wind, and the amplitude and direction of the wind significantly affect power consumption. However, with very little wind, I recorded a flight with the lowest energy consumption I have ever seen with my setup, 2600mah for the P25 schedule. Typical power consumption for P25 is 3800mah. I will continue flying with this motor to collect more information about motor efficiency. The motor also ran cool as well. With an ambient temperature of 28C, the motor was 65C on the outside of the rotor. https://drive.google.com/file/d/1VkG...usp=drive_link https://drive.google.com/file/d/19-H...ew?usp=sharing Mike Padron likes this.

I underlines two statements that will change for the pilot after he flies the motor a bit more the way I tuned it. Remember these two statements. Even though he has already recorded the lowest consumption hes not quite sure yet...

[Clugh]

[Clugh]

I just want to be clear that I don't need make false claims about alternative windings and drive schemes or the work were doing here. Of course Andrew motor also has hybrid bearings and all the additional thing we've detailed here time and time again..

[Clugh]

BTW

[Clugh]

I can pull this carbon fiber APC 7X15 off but I wouldn't fly it in a Pilf I'd Escape and live free with Jiri model and the AOS or the EMAXX

I already have the epoxy I need let me order the roving's and cf cloth. I need some for the 3 wing circus anyway. I can build the mold out od bondo...but I'm also going to repitch a few of the others before making the CF. Obviously if the cut the diameter down you raise the aspect ratio but you reduce the BAR.

[Clugh]

"After 24 hours we demould"
~Kingfisher~

[Clugh]

"12,000 rovings are pre-soaked. Resin is coated into the mold again, this time abundantly and the pieces of tissue are inserted. The resin is only pre-painted for one piece of fabric at a time and the fabric is applied immediately, otherwise the resin will run off again and the surface of the prop will not be smooth. The foil is peeled off. The fabric reaches up to the hub. In the area of the hub, resin carbon cuts are filled and smoothed out with a piece of balsa so that the transition from blade to blade is smooth. Rovings are inserted and more carbon cuts on the hub and aligned and pressed the rovings. Now both halves of the mold are coated again with plenty of resin and the mold is pressed."

[Clugh]

"93 carbon fabric is sparingly pre-soaked on foil, the cardboard template (approx. 1mm smaller than the finished sheet) is placed.on top and 2 left and 2 right parts are cut out (with the cutter knife around the template) "

[Clugh]

A short report on the construction of the 7.85 x 12 EPS By Kingfisher

"In the waxed form, the prop area is thinly coated with resin (hardener mixture) and placed on the radiator."

[Clugh]

Respectfully Clugh I am going to ask that you move on from the drama and get back to the point of this thread which is Alternative motor windings and drive schemes. If someone is attacking you ON THIS FORUM please by all means let myself or Elbee or Grossman56 know about it so we can take care of them appropriately. Please do not bring drama in from OTHER WEBSITES and contest or rant about them on Hobby Squawk. We appreciate your full cooperation and understanding.

Dang.... Okay Pocboy was just starting to have fun...

Thanks,
Hubert

[Aros]

Respectfully Clugh I am going to ask that you move on from the drama and get back to the point of this thread which is Alternative motor windings and drive schemes. If someone is attacking you ON THIS FORUM please by all means let myself or Elbee or Grossman56 know about it so we can take care of them appropriately. Please do not bring drama in from OTHER WEBSITES and contest or rant about them on Hobby Squawk. We appreciate your full cooperation and understanding.

[Clugh]

U see I didn't erase the post.

https://www.hobbysquawk.com/forum/electronics-and-rc-accessories/power-system-components/386348-alternative-motor-windings-and-drive-schemes?p=438815#post438815

If you want to post something get out of the closet and post it publicly. Dont be a tin man.

Take care
Hubert

[Clugh]

BTW here is a PLA mold for the same core in a pure iron filing high temperature epoxy composite. I'm going to vacuum pack it. The Lehner design consultant and I talked about annealing the iron filing in hydrogen. That really shoots the permeability through the roof.

[Clugh]

I know a 20 turn parallel single layer inner Delta is going to give me 320 Kv so that is the start of the test parallel hybrid wind I'll wind on the factory core I have here. I think i'll try winding that in 15 AWG. Overall that would be 4x's 1.51mm diameter for each motor terminal U,V,& W, for the inner delta. I'm going to order the core this week. I'm going to have the stack bonded at the laser house in C5.

Each stator half wiring goes like this. I can also run the 6 phase configuration with two Inverters UU,VV,WW Across two castle Ice HV 200 V2's alone there's a peak of 760 amps there and they will survive. I know it empirically.

This is going to be fun.

YT
Hubert

[Clugh]

6.66 x 13 SAW 3 blade an unthreatened German modeler created the mold for. This gives you a good idea that i dont need to mill metal mold even though they are nice The resin print mold another hobbyist post are excellent quality.

[Clugh]

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[Clugh]

7X15E