News: New Sonic V.21LS Engine

Sonic Nitro Engines has released the latest version of the successful V.21 engine. After extensive tests in cooperation with engine-guru Edoardo Picco the Sonic V.21LS “long-stroke” features the latest long stroke design offering more low and mid-range power while keeping the fuel economy on a very good level.

Features:
7 ports + 2 bypass hard chromed liner
CNC machined billet piston
Balanced 14mm turbo crankshaft with silicone insert
Aerodynamic “knife edged” connecting rod
Special backplate for improved fuel flow
Turbo combustion chamber with cooling fins
14mm Swiss quality main bearing
Lightweight cooling head for low center of gravity
Composite slide carburetor
8.0mm and 9.0mm aluminium venturi inserts

Technical data:
Displacement: 3,49ccm
Max power: 2,85 @ 37500 U/min
Bore: 16,03mm
Stroke: 17,30mm
Front bearing: 7x19x6mm
Rear bearing: 14×25,4x6mm
Glowplug: Sonic S7C turbo plug
Weight: 311g

Fonte: www.sonic-engines.com