Re: DragonFly 2CH RC Won't Take Off

Mike Connolly wrote:
> Hi All,
> 
> I got a 2CH Dragonfly at Christmas, and after a full charge it won't 
> take off?  You push the left lever (up / down) up full and the rotor 
> blades just spin without lifting off?
> 
> Anyone got an idea to why it won't take off?
> 
> First couple of times tried it, I managed to at least lift it a few feet

> off the ground.

A question and a suggestion.

Does the copter itself spin while you are trying to get it to take 
off?  ON many of the small copters, there isn't enough tail rotor 
effect to counteract that spin until it is off the floor.  Try hand 
launching it instead of taking off from the floor.  You don't need to 
throw it or anything, just hold it in your hand until the rotor spins 
up and then let it go.

Try holding the ends of the rotor blades and twisting them in the 
direction they are already curved.  Hold them for 30 seconds or so. 
Try flying again; this may give you more lift.

-- 
Larry D. Farrell, Ph.D.
Professor of Microbiology
Idaho State University

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