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Alternative motor windings and drive schemes

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  • Clugh
    replied

    AL from Helifeaks sent me this big boy Combove MENSA 12N10P. He inquired about 1.6mm but that's not an American size. I dont see anything wrong with it in its current state but since I've been given the flexibly to not wind it with 1.6mm the door is open to either wind it with an American equivalent which is going to be slightly larger or do something totally different. He just wants the kv around 525. Since he understand the cable size is not everything maybe he will get a 3 or 4 layer machine....

    14 AWG is a minimum of 1.628 mm 15AWG is minimum of 1.450mm of bare solid wire.

    Who cares about old pink cars in Gotha that need a larger radiator? 😏 They want a Tesla's , E Beemer, or Range rover's winding Tech inside and cooler rotors..... Gotha motors cant provide it because they cant wind it so they just make excuses and falsehoods how it doesnt work.

    How would they know if they have never wound and run one sucessfully????

    All you have to do is ask them for video.....

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  • Clugh
    replied
    Click image for larger version  Name:	image.png Views:	0 Size:	243.3 KB ID:	448527
    Hallo Powercroco (Mr. BEAN), hier ist ein 4035 in einer 1.5 SL YY-Konfiguration. Die Wicklungen sind vergossen......
    Können du und Von Lucas es sehen?

    Danke,
    Hubert


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  • Clugh
    replied
    ​Auch wenn du sagst, die 1,5-mm-Wicklung sei unspektakulär – auf dem Stator sieht sie großartig aus.

    Nice work.
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  • Clugh
    replied
    While winding motors and building Class A audio amplification I'm also looking at different transistors. Lateral Fets, BJT's , GanFet , etc and hope to build a big boy bridge that can deliver 30 - 40 kw in a breeze and also be controlled with Talega. The Mundorf caps I'm sourcing for the Class A amplification for instance is giving me great component selection ideas for a heavily filtered clean limitless power 3 phase bridge for >50mm series machines.... In this 4 pin series iI can get 40000uf 63 volt caps. An inverter with at least a half of a farad never hurt anyone that really wants to supply the motors what it needs for heavy loads. These and the Supercaps are technologies plan to exploit in this journey
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  • Clugh
    replied
    "Grill food" for handicrafts | Page 16 | RC-Network.de

    ​Hallo, ich vermute, der Entwickler wird diesen Widerspruch wohl nicht aufklären – aber wie dem auch sei: Ich habe gelesen, was du geschrieben hast, und bin anderer Meinung. Wenn die Anwendung im Hubschrauber es zulässt, trotz der Zahnbreite mehr Windungen aufzubringen, dann wickelt man diese auch; denn mehr Windungen ergeben eine bessere Induktivität. Der Motor liefert dann bei hohen Drehzahlen eine bessere Leistung ab.

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  • Clugh
    replied
    Hallo! An meinem Geburtstag – dem 21. Mai 2007 – machte ein leitender Entwickler bei LRK folgende Aussage: „Meiner Ansicht nach ist bei Durchmessern von über 60 mm – im Bereich der Modellmotoren – ein Motor mit einem Verhältnis von Durchmesser zu Länge von mehr als 1:1 erforderlich, um die Vorteile wirklich nutzen zu können.“ Woher stammt also die Zahl 41? Heutzutage hört man nicht mehr viel über diesen angeblich überlegenen Motor – schon gar nicht im Bereich des Modellflugs. Er tätigt häufig derartige Aussagen, nur um seine eigenen Behauptungen später wieder zu vergessen; was er jedoch niemals tut, ist, den Motor in sein eigenes Boot einzubauen und praktisch zu beweisen, dass es sich tatsächlich um den besten Außenläufermotor für Modellboote handelt. Loring Miller und Brian Buass stellten den Rekord in der S-Klasse mit einem völlig serienmäßigen Scorpion-Motor auf. Und das hat sie übrigens auch keine 15,7 Millionen Dollar gekostet.

    Ich bin mir sicher, dass er jetzt wieder lospoltern wird, aber ich möchte nur darauf hinweisen, dass keiner der beiden Motoren einen Durchmesser von über 60 mm hat und der 4140 im Grunde quadratisch ist – er erfüllt also gleich in zweierlei Hinsicht nicht die Kriterien, die der Konstrukteur selbst aufgestellt hat. Außerdem ist er nicht gerade auf dem neuesten Stand, was die hiesigen Gegebenheiten angeht; nur sehr wenige hier interessieren sich noch für deutsche Produkte, da die Zölle die Preise ins Unermessliche getrieben haben.

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  • Clugh
    replied
    Good Morning.....

    You hanging around EARLY looking for something to see Ralph????. Here you go. I don't think they care if you wind their heli motors again. But you already know how the story goes anyway coz you read it well before today... I certainly don't care about your xnova issues . You critique everything poorly but a scorpion but the best heli pilots in the world hardly fly them anymore. They fly Xnova and Egodrift and no heli pilot had really ever left a pyro in exchange for a scorpion in the first place. Be sure about that. Maybe they dont want your bloody hands rewinding their .15mm lam machine. If you had the right tools and know how then you break the edges......and get wire off without destroying it. All the wrong glue they used came from the copying YOU.... guess youve forgotten your own previous work with their machines before you realized its a pure insulator. Please find something interesting to post about because that basic winding and bogus editorial about XNOVA isn't it. Produce something from the ground up then and show them all how its supposed to be done.... Currently you use nothing to pot the wires and that's equally incorrect for optimal reliability.

    Diesen Scheiß mit dem blanken Draht hast du von Thomas.


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    ~helifreaks "who can rewind my motor"~​
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  • Clugh
    replied
    "Grill food" for handicrafts | Page 15 | RC-Network.de

    Du belügst die Deutschen schon wieder, Ralph! Der Einzige, der hier mit falschen Messwerten herumspielt, bist du: eine Timing-Einstellung von 0 Grad – etwas, das absolut niemand bei einem Außenläufer verwendet –, die *deinen* Motoren lediglich fälschlicherweise eine höhere Effizienz zuschreibt. Angesichts all der Brände ist offensichtlich, dass sie in Wirklichkeit gar nicht so effizient sin

    Pinocchio is at it again Luke....

    High power calls for high timing. He knows he is supposed to measure it there. Hes still running his mouth about ETA but were already real world proven with Andrew and Brenners in flight and battery consumption data.... Ralph is a sad case.....


    Danke,
    Hubert....

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  • Clugh
    replied
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  • Clugh
    replied
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  • Clugh
    replied
    I also wind drone motors!

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  • Clugh
    replied
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  • Clugh
    replied
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  • Clugh
    replied
    Attached Files

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  • Clugh
    replied
    Click image for larger version  Name:	665146156_831665489327484_3487313636697124213_n.png Views:	0 Size:	280.0 KB ID:	448226
    This wont be the first time I've related linear motor drives from audio and ESC's. What I'm curious about is class A output stages on a three 3 phase inverter For a true high "Fidelity" Sinus drive. I wonder could a I use a exceptional DAC as the interface between a MCU digitally driven sinus step?


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  • Clugh
    replied
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    What color you want? "POCBOY" plans to do a couple of BLACK edition Pyros and Scorpions if the boys like that. Hybrids get different colors for sure.

    At Clugh you can get it done the RIGHT way.....

    Now if you visit the other forum overseas where he is at he will revisit the few marine motors in the slow catamaran his buddy did.... Man that things a real barge of a fast electric boat with Ralph scorpions in it....and that's no cap.

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  • Clugh
    replied
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    One of my restorations. Its a Linear Power 1752. So you see the real Audio smith lives here in the USA



    Hope you like the Tiffany rca sockets. If you look in the attachment you can see the patchwork someone had done and the original sockets. It would have never work with modern low mass high end rca cables ends because the sockets sat inside the amp so only cheap ones with no shoulder would fit originally . I removed all the spliced cable and returned it to the original condition of dual power and ground wires, and a full length remote wire from the PCB. I recapped it with 4 new Rubycon ZLH 2000uf 50 Volt Cap on the mains to replace the ones over 30 years old. This is a very high end antique . It has exceptional fidelity. I also changed the OP amp of the front to a Burr Brown. I'd need $1000.00 min for it and I have that much in the restoration. 600.00 is what it would bring stock.


    Its the same guy that winds these machines featured in this thread "Gotha" motors is locked into. I can get motors anodized type III black which is hard anodizing or type II which is colors. Any part of the motor that is Aluminum I can have stripped in 30 min and dyed another color. If you hard anodize aluminum wire it should be insulated. The advantage over paint is the device can still breathe and dissipate heat.




    Dont tell Ralph.......
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  • Clugh
    replied
    Originally posted by Chxpress View Post
    Hi,
    thanks to the US Army buying German know how , https://www.hartpunkt.de/vector-ai-u...antum-systems/ . Good Job for my friends at Quantum Systems earning 15,7 Million $ .

    Happy Amps Christian

    Christian ist ein echter Witzbold, denn er begreift nicht, dass Amerika sich jene 13 deutschen Köpfe – die es als unverzichtbar erachtete – bereits vor 81 Jahren gesichert hat; und da er selbst mittlerweile über 70 ist und immer noch in Bayern neben seinem leeren Pool hockt, gehörte er offensichtlich nicht zu jenen echten Experten, die in die USA auswanderten. RCN weiß nur zu gut, dass „Affe“ und „Krokodil“ nicht Teil jener Auswahl waren – schließlich sind sie es, die nun mit solchen Typen geschlagen sind, während wir gerade schon wieder zum Mond geflogen sind. Und dennoch sitzt er hier und prahlt mit weltweitem „Taschengeld“, obwohl allein Artemis II 4,3 Milliarden Dollar kostet.

    Was sind 15,7 Millionen Dollar auf dem Weltmarkt?

    Peanuts.

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  • Clugh
    replied
    Andy L.
    To: me · Sun, Apr 26 at 4:15 AM Message Body

    "Hi Hubert,


    I’m wondering if you’re still doing rewinds. I smoked my 5025 motor by confusing a startup power setting on an AM32 ESC. I cut the power before too long but even if it’s not shorting, I don’t want to risk it and would rather just get it rewound. The stock wire is 1.5mm but I know the same size scorpion motors runs 1.6.


    Anyways just wondering if you can do this?"

    A scorpion 5025 is on deck for a rewind.....






    Get something hobby done Lukey. Then animate it in 2026.....

    TTYL
    Hubert

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  • Clugh
    replied
    I can anodize a motor PINK!!!!!!!!!!!! no insulating poorly applied spray paint....Kristina..... .

    My site is currently off line. When it comes back on you can find the new winds and esc projects there. If you want your motor T6 in colors I can do that professionally.

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