Hi all, I've just recently finished my FT Spear build but before I maiden, I just need something clarified. On the plans there are two sets of CG markers on the underside of the fuselage. Why is this? Is it in case you use the optional centre fins and therefore change the CG? Or is it just that it is somewhere between the two? I haven't seen it mentioned anywhere in the build post or in the build video. Any help would be greatly appreciated.
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