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Multiplex EasyStar modified for aerial video and photography

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Published on Dec 28, 2009

I prepared this Multiplex EasyStar for aerial video with a better quality camera than the FlyCamOne² V2. After some desk research I evaluated the Kodak Zi8 (http://bit.ly/Kodak_Zi8) as my new onboard camera for this application. In order to have better control over the plane I applied some modifications to it:

Camera test of the Kodak Zi8 with this plane: http://www.youtube.com/watch?v=5T9dVx...

1) Ailerons
The dimensions are 300 x 45 mm and the distance to the fuselage is 200 mm. I dremeled the hinge directly into the wing. The connection of the wing servos is done the same way as Multiplex does it for the EasyGlider Pro

2) Rudder
I increased the rudder control surface based on reports in various forum threads about the lack of authority with the standard rudder size. It's easier to realise it right from the beginning. I dimensioned it 45 mm wide and dremeled it into the horizontal stabiliser

3) Conversion to brushless motor
This motor is very powerful and fits well. I soldered extensions to the wires and cut a channel to pass the cable across the fuselage. I hat to shorten the 6x4" propeller by about 4 mm and re-balance it to avoid that it touches the fuselage.

4) Equipment for night flying
This is a basic equipment and I did one night flight with it, but it's not good enough and I have to change the concept.

Here is a source of inspiration for other modifications of the Mulitplex EasyStar:
http://www.mpx-easystar.de

The setup of the plane is as follows:
- Receiver: Spektrum AR7000 (large range)
- Motor: HXT 2835 (380S) 2700kv Brushless Inrunner
- ESC: FlightTech 25A, will be replaced by Turnigy Plush 40A
- Propeller: 6x4" (reduced by ~4 mm)
- Servos: HXT900
- LipO: Zippy 2200 mAh (20C and 25C)
- Lights: Turnigy R/C LED Lighting System
- RC Switch for LED: Turnigy Receiver Controlled Switch

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