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Pompa acvariu - rebobinare

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Va salut !Stiu ca este cam deplasat subiectul.. :nas: ...Am postat aici pt ca problema mea are tangenta cu inductia electromagnetica.Un prieten are o pompa de aer pt pesti (MARE) ; s-a ars bobinajul ; a dus-o la un bobinator...acolo a stat o gramada de timp; bobinatorul a dat la fier vechi sarma intre timp.Pompa avea un ax care culisa inainte si inapoi pe doua lagare. In jurul axului, era un miez din tole (de forma unui cerc cu un diametru - decupat in mujloc pt ax).Erau doua bobine inseriate la mijloc cu o dioda (ca sa scada tensiunea la 110V).Are cineva idee de cum ar trebui rebobinat miezul? Astfel de pompe sunt destul de scumpe , circa 350-500 lei.Multumesc!

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