S-POWER S5 Pro Tuned Off-Road .21 Competition Buggy Engine.

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philippe27 · Champion du monde Inscrit le: 10/08/2005 Messages: 6908

S-POWER is a new series of Engine from S-workz that will provide you with World Champion Performance.

These Engines have a 3 port piston Sleeve for better power delivery and lower fuel consumption.

This is the S-POWER S5 Pro Tuned Off-Road .21 Competition Buggy Engine.

Developed to have the performance of the S-Power S7 Evo but at a lower Price.

The TUNED S5 Pro features a tungsten-balanced and silicone-ramped crankshaft.

A Blue lightweight, low-gravity cooling head with a Dragon logo.

These features allow the TUNED S5 Pro to deliver instant throttle response and powerful torque over the entire rpm range.
Features:

3-port sleeve design (3 bypass ports, 1 exhaust) provides smooth, crisp acceleration.

This has been achieved through a combination of a specially designed "TUNED" inner head and sleeve porting.

Fuel mileage has been improved by 8%.
Carburetor:

A newly designed carburetor includes 6.5mm aluminum venturi.

Crankshaft:

The crank intake passage is silicone ramped for a better fuel mixture flow.

A tungsten insert is pressed in the counterweight to optimize inertia mass.
Includes:

Exhaust Gasket.

Dust Cap Set.

6.5mm Carburetor Venturi.

The S-POWER Engines are Made in Japan by the leading R/C Engine Manufacturer O.S.
Specifications:

Displacement: 3.49cc (0.21 cu.in)

Bore: 16.27mm (0.64in.)

Stroke: 16.8mm (0.66 in.)

Practical R.P.M. : 4000~40000 r.p.m

Power output: 2.6 ps/ 34000 r.p.m.

Weight : 348g (12.50 oz)