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Aerostar 20A Electronic Speed Controller with 2A BEC (2~4S)

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Aerostar 20A Electronic Speed Controller with 2A BEC (2~4S)


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The Aerostar range of brushless speed controllers are designed for fixed wing aircraft. They feature super smooth start up, linear throttle response, multiple protection features, all at a fantastic price.

Although primarily designed for fixed wing aircraft they do also include  a soft start and heli mode making them a good low cost alternative ESC for your next helicopter project.

Installation is very straightforward as these speed controllers come "plug & play", no soldering required, they are pre-fitted with an XT60 connector and 3 x 3.5mm gold connectors.

Programming can be done either using the transmitter and listening to the tones or you can use the dedicated programming card (see "Related Items").

• Pre-installed motor and battery connections
• Propeller Brake
• Battery type (nimh or lipo)
• Low voltage cut-off
• Adjustable motor timing
• Soft start for gearboxes and helicopters
• Heli mode
• Motor rotation
• Over heating and lost signal protection
• Low voltage cut-off type

Default settings:
• Brake: Off
• Battery type: Lipo (auto cell detect)
• Low voltage cut-off: 3.2V (60%)
• Timing: Automatic
• Start up acceleration: Soft
• Heli mode: Off
• Motor rotation: Normal
• Frequency: 16Hz
• Voltage cut-off: Reduce power

Type: Aerostar 20amp electronic speed controller
Input Voltage: 2~4 lipoly cells/5~12 nimh cells (6~15V)
Continuous Current: 20amps
Burst Current: 30amps (10secs)
BEC Output: 5V/2amps
Programmable: Yes
Dimensions: 25 x 43 x 8mm
Weight: 24g
Battery Connector: XT60
Motor Connectors: 3.5mm golds
Rx Connector: JR type
Lead Length: 270mm

  • Avios ESC & Programming Card
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Davey Boy | Verified Buyer

  • Quality
  • Overall
  • Value

Prompt service and great support staff in answering all my questions.

Jan 03, 2021

Keep up the good work Hobby King!

Teemu | Verified Buyer

  • Quality
  • Overall
  • Value

Quality plane esc!

Dec 14, 2020

Nice and good. Not that small, but definately takes 20A.

MrTin | Verified Buyer

  • Quality
  • Overall
  • Value

All working well

Aug 16, 2020

I have another of these in the one a#model I have so far flown and it works fine.

Helmut | Verified Buyer

  • Quality
  • Overall
  • Value

leicht und schlank

Aug 14, 2020

Gewicht 29,66g mit Empfaengerkabel (27cm)mit Stecker, mit Akkukabel(7cm 16AWG inkl. XT60 Stecker) u. Motorkabel(8cm AWG16 inkl. 3,5mm Goldkontaktstecker
Laenge(ohne Schrumpfschlauch-ueberschuss) 52mm
Breite 25,5mm Dicke 8,3mm

brianh | Verified Buyer

  • Overall
  • Value
  • Quality

Good value for money

Sep 09, 2019

Good value for money, ideal for smaller projects as it is light and compact, I would buy again.

SandyGabby | Verified Buyer

  • Overall
  • Value
  • Quality

Best Choice

Aug 12, 2019

I have over 40 Aerostar ESC's from 20Amp to 80Amp. Every unit has performed flawlessly.

Josh | Verified Buyer

  • Overall
  • Value
  • Quality

FT Mini killer combo

Jul 08, 2019

Paired with a Multistar v-spec 420w 2205 and a DYS 5045 bullnose prop on 4s 850MAH, this is a killer combo for the flite test mighty mini mustang

Ian | Verified Buyer

  • Value
  • Quality
  • Overall

Good quality product

Jul 03, 2019

Very happy Thank you

Sir Tiger | Verified Buyer

  • Overall
  • Value
  • Quality

Nice and smooth

Jun 21, 2019

Good and light Speed Controller, quality of the wires and soldering are great.
Can replace any failed BEC S.C. inside your planes without spending time.

AeroStar ESC | Verified Buyer

  • Quality
  • Overall
  • Value

AeroStar ESC

Jun 12, 2019

This is my first AeroStar ESC and so far it is doing the job with no issues,

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