Fiberglass FlyFly BAE 90mm Hawk in 2010 Anniversary scheme - Page 11 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 10-02-2015, 07:25 AM   #101
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I am: Eric K.
Join Date: Feb 2007
Location: Burlington ON

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Re: Fiberglass FlyFly BAE 90mm Hawk in 2010 Anniversary scheme

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Here is the problem I see with two batteries (a separate RX pack and main flight pack) required to fly the plane. The pilot has to maintain and charge two batteries.
With one battery supplying the plane the pilot has less to worry about or mess up. Even if the main pack drops in voltage due to one cell failing completely the BEC has plenty of voltage to operate and supply full RX voltage. At this point the plane has no thrust and is gliding or limping along to land but still under control.
With a two battery system, if the RX pack drops in voltage due to failure or lack of charge the plane is doomed just like mine when the power was removed to the RX.
My crash was due to a cold solder joint and not BEC failure. I pointed out the issue in order to help others prevent a similar problem. Simply inspecting the components can prevent the failure I experienced.
The same type of failure can occur with different receiver power systems like the two battery type suggested or others as they all rely on proper connections.
Zen thinking * It's rebuildable till it fits back in the box. **
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