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Old Oct 08, 2012, 03:24 PM
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United States, MN, Mankato
Joined Jul 2003
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Originally Posted by rycomm View Post
We have found that if you use lighter batteries (1300s) moved to the rear of the compartment, this moves the cg back a bit, which helps the up trim issue, and the plane seems to fly better. We were getting 20+ min flights with about 4 climbs in dead air. I was also doing 5 sec motor runs, then attempting precision landings. All very fun, and great practice.

I've also considered embedding an ounce or so in the rear of the fuselage to see if that makes any difference. It wouldn't affect the wing loading enough to be noticable, but it may help the trim issue a bit. However, the Calypso I've been flying is not mine, so it is up to the owner.

I'll second this setup. I first flew mine with a 3s 2100 and found it needed a fair amount of up trim to fly but with a 3s 1300 it climbs better and needs very little up trim.

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