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Message: <blockquote data-quote="ahmeda" data-source="post: 2682916" data-attributes="member: 223328">Hello,Im doing a project of an electric climbing wheelchair, now im stuck on choosing my motors now after calculation i found that i need a motor that provides1200 watt, 135 Nm and 85 rpm. of course these are after a gearhead reducer, as i studied in engineering power doesnt change when using a gearhead, but torque and rpm change according to the ratio so i found motors  but with much lower power(before adding a gearhead, but after adding the gearhead ill reach to my needed spec except that power isnt 1200 watt its much lower) should i buy them or not im totally lost here what is this relation between power and torque dunno???</blockquote>