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AK4218

The Wenzhou Xinyue Technology Innovation Co., Ltd. AK4218 is an AK420 metal dual-push L-arm for AK400/420 helicopters. Fully CNC-machined from 6061T6 aluminium alloy, it combines reinforced construction with improved tail-control precision and comes with connecting mounts, bearings, a ball stud and fastening hardware.

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Product overview

The Wenzhou Xinyue Technology Innovation Co., Ltd. AK4218 AK420 metal dual-push L-arm is an upgrade component for AK400/420 helicopters, designed to improve tail-control precision. Its integral construction is fully CNC-machined from 6061T6 aluminium alloy, with T-shaped reinforcement and multiple mortise-and-tenon joints to meet demanding flight load requirements. Supplied components comprise one T-shaped connecting mount, one U-shaped fixing mount, one metal L-arm, two flanged bearings and one metal ball stud. The fastening hardware includes four M2.5×6mm socket-head cap screws, two M2.5×Φ2.0×6mm partially threaded button-head screws and one M2.0×5mm button-head hex-socket screw.

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Specifications

AK4218 specifications
SpecificationValue & conditions
ModelAK4218
Product typeAK420 metal dual-push L-arm
Helicopter compatibilityAK400/420 helicopters
Material and manufacture6061T6 aluminium alloy, fully CNC-machined as an integral construction
Structural reinforcementT-shaped reinforcement and multiple mortise-and-tenon joints designed to meet demanding flight load requirements
Control functionImproves tail-control precisionWith the upgrade component installed.
T-shaped connecting mount1Included equipment.
Socket-head cap screwsM2.5×6mm ×4Included equipment.
U-shaped fixing mount1Included equipment.
Flanged bearingsΦ2.5×Φ6.0×2.6mm ×2Included equipment.
Partially threaded button-head screwsM2.5×Φ2.0×6mm ×2Included equipment.
Metal L-arm1Included equipment.
Button-head hex-socket screwM2.0×5mm ×1Included equipment.
Metal ball studM2×3.5mm×9.45×Φ4.75mm ×1Included equipment.

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