Hi Tony, FWIW, when I first brought my then new Vanquish (Himax 210, Ice2 HV80) around to contests, I was flying it with two 2S 800 NanoTechs. These were identified for me as weight to reduce, amongst other things LOL, and it took me a while, but I did go with the flow and replace those with the 2S 430s and have not looked back since. The Vanquish is not the lighest 2m ARF and every little bit of weight saved will go to performance. That said, I could fly all day and then some with both of the little lipos starting on a full charge. The 800's? All weekend or more! The problem there, aside from carrying too much weight on each flight, was that it was too easy to get out of the habit of checking the Rx packs on a regular basis. Since going down to the 400's, they last just the right amount of flights for voltage checking to be rewarding, without being too frequent a chore. "Just right!" as the fairy tail line goes LOL! YMMV but 800s are not necessary IMO for pattern in an electric powered Vanquish. Say, did you decide to forego the gas conversion? And if so, WELCOME TO THE DARK SIDE! Cheers.
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