OS FS-48 Surpass Four Stroke Engine - New - Box a little worn

OS FS-48 Surpass Four Stroke Engine - New - unmounted with Silencer and tool kit - Box a little worn - manual is a copy

The FS Series engines are up-to-date
overhead-valve four-stroke-cycle engines
for model aircraft use and are the outcome of
a long period of technical development. The
FS Series engines are produced by the
world's oldest and largest model engine
manufacturing company; a company which
also pioneered the quantity production of
model four-cycle engines.


This link is for an orginal review from 1987 http://sceptreflight.com/Model%20Engine%20Tests/OS%20FS-48%20Surpass.html

Displacement 7.89cc (0.481 cu.ln.)<br /> Bore 23,Omm (0,906in,)<br /> Stroke 19,Omm (0,748in.)<br />Practical R,P,M, 2,200-12,000 r.p.rn.<br />Power output 0,8 BH P/12,000 r.p.rn.<br />Weight (including silencer) 4129 (14,50.z.)<br /><br />For scale models of aircraft with<br />large wing area and low wing loading<br />10x8,10x9,105,x8,<br />10.5x9,11 x6or11 x7<br />12 x 6 or 12.5 x 6<br />For light-aircraft type models<br />(sport, scale or trainer)<br />11 x6,11 x7,11 x7.5,