O.S. Engines FS-91 II FI - Manual (Page 9)

9
Lo Mi Hi
1 2 3 4 5 6 7 8 9
Injection trim can be adjusted independently
for two area as shown in the graph.
Intermediate slow and full high are adjusted
with the injection trim adjustment dial (spare
channel dial) on the transmitter.
Fuel injection volume
(Throttle stick position)
Fig.2
Injection trim adjustment corresponds to needle-valve adjustment of conventional carburetor)
Full high
basic injection
volume
Intermediate slow
LIST OF FS-91S -FI USAGE CONDITIONS
Part Manufacturer Remarks
Silencer
Glow plug
Propeller
O.S.
O.S.
Commercially
available
high-quality
product Maximun speed should be
between 8,000 and 9,000 rpm.
Fuel
Commercially
available
high-quality
product
Aircraft
Only Z connectors can be used
(check whether polarity matches).
Spare channel dial (used at 100% by
canceling mixing and expo, etc. when
used alone.
In case of FUTABA, set with spare
channel NORM direcion.
In case of other marks, it is necessary to
change setting it the direction is reverse.
Adjustment may vary slightly according to
the amounts of nitromethane and oil.
Use a fuel containing as low nitromethane
as possible within the percentage shown
left. Too much oil may cause malfunction.
Transmitter FUTABA
FUTABA
JR
JR
JR
SANWA
The contents of the user's manual are based on those products indicated with an asterisk ( ).
10-25% nitromethane
15-20% oil
Sport Wingspan 1.3-1.8m Weight 3-4kg
FUTABA
JR
Name
F-4020
TYPE F
General references:
13x9 (Basic propeller)
13x10-11, 12.5x9
12x13
14x10
1024ZA T9Z
FF8A
FF9
PCM10S
PCM10X
X3810
X378
STYLUS
RD6000 Super