I just completly discarded the use of Moverate and instead scripted my very own speed-o-meter, and a resident stunt manager that randomly choose a stunt to perform between sleep of random² duration.
The difficult part was to force Spring to execute the script that I wrote, instead of trying to interpret the move now and hide/show in FirePrimary to its own odd fancy.
BTW, WD and FF porter, this unit sports a simple trick to force Spring to properly execute a FirePrimary which hide the wingtip missile then show it again.
Spring is Good
But Spring is different from TA.
Spring is harder to script.
Because Spring is not friendly with TA scripts
The Spring engine thinks it can improve TA scripts,
but the Spring engine is stupid
and the Spring engine breaks the script instead.
exemple ufo