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click thumbnail to enlarge photos of AXi 4120/14

The AXi 4120/14 Gold Line brushless motor is suitable for large sailplanes weighing up to 4,500g (159oz) and sports aerobatic models up to 3,000g (106oz) The unique design of these motors gives extremely high torque levels to turn large diameter and high pitch propellers with excellent efficiency.

The 4120/14 is a great option for converting the Chris Foss Wot 4 to electric power, with a 4s LiPo (Approx. 3,700mAh) and a 13"x8" APC Thin Electric Propeller.

AXi brushless motors with neodymium magnets and a rotating case are manufactured in the Czech Republic using the latest technology and quality materials. The hardened steel shaft supported by three ball bearings, and overall robust yet lightweight construction, ensure a long service life.

AXi motors are designed such that the prop is normally mounted on the shaft (Using a prop adaptor), but a radial mount set is available separately, to allow the motor to be mounted directly onto the firewall as is often the case with glow to electric conversions. This optional radial mount set includes the mounting flange, propeller driver, a securing collar and screws.

For further details please see the specification and recommended setups below. We stock the full range of AXi motors all backed with a 12-month warranty.

Box Contents: -

  • AXi 4120/14 Brushless Motor
  • Specification sheet and manual
  • Transparent mounting template
  • "AXi Inside" decal

Not included with the AXi 4120/14: -

  • Prop adaptor (PH6 recommended) – not required if using radial mount set
  • Radial mount set (RMS41 recommended)
  • Connectors

Please retain the box and manual that arrives with your motor in the unlikely event of a warranty claim.

All items are shipped from the UK. To see shipping/delivery charges, simply add items to your basket and see the shipping options beneath your items. You can pay with PayPal, MasterCard or Visa. You can checkout using PayPal even if you do not have a PayPal account.

As no shipping services will be running, we will be closed for Easter bank holidays on 18th and 21st April 2014. Orders received after 3pm (1pm for DHL shipments) on Thursday 17th will be processed on Tuesday 22nd.

Other AXi motors in this series: AXi 4120/14 Short-ShaftAXi 4120/18AXi 4120/20AXi 4120/20 Short-Shaft

Recommended brushless power setups for AXi 4120/14.
Need help finding a brushless motor setup? Try our motor calculator tool.

Model Model Weight Cells Max. Current Jeti ESC Propeller
Trainer 3500g (123.5oz) 4s 55.0A/60s Jeti Advance 70 Pro Opto 13" x 8"
Trainer 3800g (134.0oz) 5s 55.0A/60s Jeti Advance 70 Pro Opto 12" x 6"
Aerobatic 2900g (102.3oz) 5s 55.0A/60s Jeti Advance 70 Pro Opto 12" x 8"
Sailplane 3200g (112.9oz) 3s 55.0A/60s Jeti Advance 70 Pro 15" x 9"
Sailplane 4200g (148.2oz) 4s 55.0A/60s Jeti Advance 70 Pro Opto 14" x 7"
Sailplane 4800g (169.3oz) 5s 55.0A/60s Jeti Advance 70 Pro Opto 12" x 8"

Do not exceed the recommended propeller sizes.

Technical Details for AXi 4120/14

No. of cells (LiPo)4-5
RPM/V660 Kv
Max. Efficiency85%
No load current2.0A
Maximum Load55.0A
Internal Resistance0.041Ω
Diameter50.00mm (1.97")
Length56.00mm (2.20")
Shaft Diameter6.00mm (0.24")
Max. Efficiency Current
Glow Equivalent.46-60
Weight320.0g (11.3oz.)
$151.89
$182.26 inc. VAT
Based on base price of £108.50 inc. VAT
in stock
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