Page 24 - Landscape-Issue124

STIHL EDITORIAL

STIHL’S 2-MIX TECHNOLOGY

Greener power plus economy Other benefits of STIHL 2-Mix of the exhaust gas being emitted via the
and impressive performance technology exhaust port, reducing emissions by 60 –
STIHL’s revolutionary 2-Mix technology The STIHL two-stroke power unit with 2-Mix 80%.
ensures that fuel is used in a highly technology offers impressively high engine The result is groundbreaking, with
effective way, delivering more power power plus excellent power-to-weight high torque over a wide speed range, fuel
with reduced emissions - kinder for the ratio and outstanding torque development consumption cut by up to 20%, and exhaust
user and better for the environment. It over a wide speed range for high cutting emissions reduced by up to 50% when
also offers savings on fuel - always a win! performance. Despite its powerful action, compared with conventional STIHL two-
engine emissions are very low and comply stroke engines without 2-Mix technology.
Economy and power in action with the strict limits of the EU Emissions
A proven example of the fuel-saving Directive. The main advantages of 2-Mix
benefits of 2-Mix technology is the new technology in a nutshell
STIHL FS 235 brushcutter. Designed to How does it work? • Economical: fuel consumption is reduced
cut thick grass, weeds and vegetation, A 2-Mix engine is a 2-stroke engine that by up to 20% compared with conventional
this professional-grade, high-powered replaces unburned fuel, which would two-strokes without 2-Mix technology.
1.55 kW model is impressively light on have been emitted via the exhaust during • Efficient use of fuel consumed plus high
fuel. the transfer process, with fresh air. This power.
Duncan Fryer of STIHL SA says: “If is achieved by the addition of an extra • High torque over a wide speed range.
you consider that a standard machine ‘fresh air’ port on either side of the inlet • Environment-friendly: reduced fuel
with a conventional 2-stroke engine manifold between it and the transfer consumption so less pollution/fewer
could consume on average five litres ports. Essentially, the air induction system harmful emissions.
of fuel daily, while the FS 235 would introduces a buffer of clean air between
potentially only consume four litres of fuel charges to purge the system efficiently. Add reliability and the trusted STIHL brand
fuel for the same amount of work, that’s Clean air from the transfer ports enters the name, and it makes perfect sense to use
a saving of around a litre of fuel every combustion chamber first when the ports STIHL machines with 2-Mix technology.
day. For professional users, that makes a are uncovered by the downward moving
significant difference!” piston. This air (oxygen) joins the remainder www.stihl.co.za n

22 Landscape SA • Issue 124 2023