Firefox and W7 64 Pro and no problems.
What was problematical, however, was jealousy ! ...As a child 80+ years ago, this was happening for real and there was
nothing even remotely possible or available, even had the finance been available, which would have allowed such an extraordinary implementation of a schoolboy's dream !! How I wish ... but, how
very well done to those involved !!
My active R/C days were complete before the modern electric motor revolution (see what I did there !) As for those build-it-yourself kits, ... if only !