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Old Jul 19, 2009, 10:37 PM
ehirobo is offline
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Hong Kong
Joined Nov 2008
922 Posts
I taped two 430L motor to the bottom of the 400D (weight 119.8g). To my surprise I can hardly feel the weight different. It climb slightly slower and the cyclic input is slower as well. But I still got it up to around 8-10M high and it would climb higher if I wants to. I am really suprise for the small effect of additional 120g to a 640g helicopter.

Happy flying!
ehirobo
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