SloMoe
1) On Taxi, depending on Wt, nose wheel scrubbing occurs above 7 to 10 knots on dry suface(worst on wet) on turns.
2) Engines takes 13 secs to spool up to part power before applying Take Off power.
3) Vapp is 137 knots at 390tons on approach. 6 miles is final slow down point from controlled app speed.
At LHR we had a very good exchange of information with SIA, so we were prepared for how you were operating. I believe something is being worked on to make the 160kts to 6DME a procedure so that you no longer have to ask for it.