OS Engines MAX-120AX Ring (70d) W/E-5020 Silencer

Overview

Perfect for 3D, precision and sport flying!

Features

• Suitable for 3D, precision and sport flying
• 25% more displacement than a .91, but bolts into the same space with almost no extra weight
• Power Box muffler included
• Angled heat sink adds more surface area

Perfect for 3D, precision and sport flying!

It's a fantastic way to ratchet up horsepower for more flying fun! The 120AX, which boasts 20% more displacement than a .91, can turn bigger props with ease, resulting in improved 3D, precision and sport flying. Boost your plane's performance, without compromising weight — bolt in a 120AX and see the difference for yourself!

With the 120AX, there's no need to buy an expensive aftermarket muffler! The included Power Box™ muffler comes with two adapters — one of which turns the muffler 90° to become a "Pitts style."

Specs

Displacement 1.20 cu in (20 cc)

Bore 1.197 in (30.4 mm)

Stroke 1.083 in (27.5 mm)

Practical rpm range 1800-9500

Power Output 3.1 hp @ 9000 rpm

Weight With Muffler 29.0 oz (823g)

Weight Without Muffler 22.8 oz (647g)