WattFlyer RC Electric Flight Forums - Discuss radio control eflight - View Single Post - Help configuring Airtronics RDS8000 for electric flight
Old 03-08-2009, 06:36 PM
New Member
Join Date: Feb 2009
Posts: 9
Default ESC and BEC

Thanks for the info of ESC and BEC. I didn't know anything about the BEC until reading your post so it was alot of help. I actually haven't yet bought a ESC, battery or prop.

My current configuration is like this:

Nitro Planes Red J-3 Piper Cub
Wing Span: 49.6in/1260mm
Wing Area: 286sq in/18.6 sqdm
Take-off weight: 2.30 lb/1050 g
Length: 31.7 in/805 mm
Engine: 2 Stroke 15-25 class or 480 electric motor (not included).
Radio system required: 4 channel with 4 servos (not included)

Airtronics 8CH 2.4GHz FHSS
Receiver Type: 92824z 8 Channel, FHSS, "Z" connectors
Dimensions: L: 1.85", W: 1.08", H: 0.61"
Weight: 0.53 oz
Receiver Power Supply: Four Cell, 4.8 volt

Servos (4 - Elevator, Rudder, L Aileron, R Aileron):
HiTEC Micro Feather HS-65HB
Motor Type: 3 Pole
Bearing Type: Top Ball Bearing
Speed: 0.14 / 0.11 sec @ 60 deg.
Torque: 24.99 / 30.55 oz.in (4.8v/6v)
Size: 0.92" x 0.45" x 0.94"
Weight: 0.39oz

E-flite Park 480 Brushless Outrunner Motor, 1020Kv
Type: Brushless outrunner
Size: Park flyer
Bearings or Bushings: Ball bearings
Wire Gauge: 16
Recommended Prop Range: 10x7 to 12x6
Voltage: 7.2 to 12
RPM/Volt (Kv): 1020
Resistance (Ri): .06 ohms
Idle Current (Io): 1.10A @ 8V
Continuous Current: 22A
Maximum Burst Current: 28A (15 sec)
Cells: 6–10 Ni-Cd/Ni-MH or 2–3S Li-Po
Speed Control: 25A to 40A brushless
Weight: 87 g (3.1 oz)
Overall Diameter: 35mm (1.40 in)
Shaft Diameter: 4mm (.16 in)
Overall Length: 33mm (1.30 in)

So what should be my requirments around the ESC and the BEC in the ESC?

Last edited by ezra; 03-08-2009 at 06:44 PM. Reason: Corrected mistake in specs
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