Airtronics/ Sanwa 94742Z - Contest BB Servo

Specifications

Source: Most data comes from the manufacturer but some data is sourced from our loyal community.

Last Updated:	2025-08-03
Modulation:	(add)
Torque:	4.8V: 74.00 oz-in (5.33 kg-cm) 6.0V: 93.00 oz-in (6.70 kg-cm)
Speed:	4.8V: 0.42 sec/60° 6.0V: 0.34 sec/60°
Weight:	1.87 oz (53.0 g)
Dimensions:	Length:1.46 in (37.1 mm) Width:0.75 in (19.1 mm) Height:1.38 in (35.1 mm)
Motor Type:	(add)
Gear Type:	(add)
Rotation/Support:	(add)
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued Airtronics 94742Z is a high-performance digital servo that embodies the brand's commitment to delivering competition-level performance at an accessible price point. This servo is a true all-rounder, offering an excellent balance of speed, torque, and precision that makes it a great choice for a wide range of demanding applications. At its heart is a high-quality coreless motor that provides a crisp, responsive feel, while the dual ball bearing-supported metal gear train ensures a smooth, precise, and durable operation. This combination of features makes the 94742Z an outstanding steering servo for 1/10 scale competition touring cars and off-road buggies, where its speed and accuracy can lead to more consistent and faster lap times.
The 94742Z's well-rounded performance characteristics also make it an ideal choice for the cyclic controls of 500 and 600-size electric helicopters, where it provides both the speed for agile performance and the torque for authoritative control. The digital controller at the heart of the 94742Z processes input signals with remarkable speed and resolution, giving the user a truly connected and locked-in feel to their model. For the hobbyist who is looking to make a significant performance upgrade to their model without breaking the bank, the Airtronics 94742Z is an exceptional choice, offering a winning blend of competition-grade features and outstanding value.