3.b line 3 said inflated skirt must continuously contact with the base surface. Does this mean a inflated skirt is required for a hovercraft. Reveal Questions No, an inflated skirt is not required. ‹ 12v batteries sold at shop and online with 12v labelled are actually higher than 12v when charged (10 cells * 1.2=12v since each cell is 1.2v nominal, but often 1.4-1.5v when charged). Commercially labelled 12v nimh packs are allowed right in this... 4.c states "...8 minutes to adjust and repair their vehicle and make test runs. Practice runs are not allowed." Could you please clarify what is considered a test run (allowed) vs. a practice run (not allowed)? ›