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dampfmaggus

Leloo Servo motor

I found a motor on Amazon which might be a suitable replacement for the servo motor.

Seems to be current production.


https://www.amazon.de/Leloo-Lcuihong-Mini-Gleichstrommotor-Spielzeugmodelle-Geschwindigkeit-Autobootmotor/dp/B09N8XTG55/ref=sr_1_255?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=LRK4YM1S1I1C&keywords=dc%2Bmotor%2Bmodellbau&qid=1675444997&sprefix=dc%2Bmotor%2Bmodellbau%2Caps%2C84&sr=8-255&th=1



ree

Added Feb. 14. Also available on Ebay UK, search for Mabuchi 010

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David & Val
Feb 15, 2023

Thanks for the extra information. I tried to find some more information about magnet type "S", but so far, nothing. However, I noticed some temperature data on the Mabuchi website, but the curves were for -20C, +25C and +70C. There was nothing for hotter temperatures. I haven't measured the upper magnet temperature while running with the body on, but I guess it will be nearer 150C.


The webpage also gives a change in magnetic force per degree and also increase in winding resistance.

Magnetic force: -0.19% (ferrite) or -0.13% (rare-earth) reduction per degree C

Resistance: +0.39%


Therefore between room temperature and (guessed) operating temperature, there will be 40% increased resistance/reduced current and 20% reduction in magnetic force. I don't know enough to combine these effects properly, but maybe a 60% difference in performance!


https://www.mabuchi-motor.com/product/knowledge/performance/environmental.html


I guess some testing is the only way to know for sure.


David

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