ORIGINAL: David Bathe
Well, start by moving the battery back as far as poss.<div>Then just add some weight until you've found your ideal CG spot.</div><div>As with everyone that's done the great rearward CG experiment, you'll possibly end up a great deal further forward than you original thought best!</div><div>Mine you, it normally takes some years to appreciate that with the slow reduction of the aforementioned tail weight. It's a trade off as you'll discover.</div><div>Keep it simple first, then when happy, do the big engineering. That's my motto.</div><div>
</div>
what great advice! Simple is grace, and saves a lot of work and/ or money.