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The faster you're going the more power you get out of a given amount of force or "push". Ad bsdl says, power = force times speed, so the same force at a higher speed requires or provides more power. Going slowly up a hill even quite a strong push doesn't cost much power. A 200W "push" at 10kph will take you up most road hills with little to no pedalling, ...


2

As others has said P = F X V Lets say it felt 10 KG - under the force of gravity that is 98 newtons - lets just round up to to 100 N Let say you were doing 15 kmh 100 N 15 km/h * 1 h/3600 sec * 1000/1k = 100 * 15 / 3.6 = 41.67 watts If if felt like about 10 KG and you were doing 15 kmh then about 40 watts Something like Gruber power assist is ...


1

I had a 400W motor for a while, and that felt like a good solid continuous shove. Given the other rider is also going up the same hill, they have to keep powering themselves too, so anything they give you is in addition to what they need to keep pace. It doesn't take a lot though - a push can be enough to take the edge off your muscles for a moment. So ...



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