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  • charlie1956 commented on rickharris's instructable How to make gears easily3 years ago
    How to make gears easily

    I don´t know how did you learn to count in school, but it seem to be that the small gear has got only 5 teeth (a 5 5 cavities, wich do not count as teeth). The same happens with the drawing of your explanations

    I don´t know how did you learn to count in school, but it seem to be that the small gear has got only 5 teeth (a 5 5 cavities, wich do not count as teeth). The same happens with the drawing of your explanations

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  • charlie1956 commented on janelj's instructable Powered gravel vacuum for aquariums3 years ago
    Powered gravel vacuum for aquariums

    Your idea is not bad at all, but it will work quite better if instead of using a power head, you use the inlet of a canister filter, mainly because there´s no risk of getting shocked by electricity leaking from the submerged power head.

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