@Centaurus
Normal Taxi is with IDLE thrust [about 21% N1]. In the acft with bleed problem, we use around 26-27% N1. And we DON'T use brakes with thrust. We only keep this higher thrust on long straight taxiways. Since our usual TOW is around 72T, 27% N1 helps us maintain about 22-25 knots while taxing.
Cheers