Copyright of RotorSport UK Ltd
Document number RSUK0060
Page 72 of 101 Page issue 2, dated 12.09.11
Fuel filler cap (also available with lockable cap) To open, lift, then turn, the flap – and pull
out. Reverse to replace. Cap is retained to the aircraft via a security cable.
WARNING
Fill tank up to max. 2cm under the filler hole, to allow for thermal expansion of the
fuel. Remember that the two tanks are connected via a crossover tube, such that the
tanks do not fill at the same rate. Always wait 5mins to allow fuel levels to settle
before confirming the fuel content!
Principle sketch fuel system 912S
The engine mechanical pump is backed up with an electrical fuel pump located between the
fuel tanks, fed after the fuel cut-off tap.
Left
(main)
tank
Right
(optional)
tank
Filler
Carb
1
Drain
X
Fuel cock
Mech. Pump
Nylon filter
P
El. Pump
P
Inl. Filter
KL145
Carb2
Metal gauze
filter
Breather