3) Airfilter; 4) Airbox - Rotax 914 series Installation Manual

16.2.3) Airfilter

The following points should assist the aircraft manufacturer at the choice of a suitable
filter.
- four fold cotton fabric
- face covered with metal screen
- total filter area at least 1400 cm² (220 in²)

16.2.4) Airbox

Effectivity: 914 Series
Edition 2 / Rev. 0
INSTALLATION MANUAL
■ CAUTION:
Check the CO-emission when installing an intercooler and
adjust the jetting if necessary.
▲ WARNING: The certification to the latest requirements such as FAR and
EASA has to be conducted by the aircraft manufacturer.
■ CAUTION:
A minimum flow rate of 300 m
warranted for all conditions.
The pressure loss must not exceed 5 hPa.
▲ WARNING: Use only filter elements which will not tend to restrict the flow
when in contact with water.
BRP-Rotax offers an air filter as described below.
▲ WARNING: The certification to the latest requirement such as FAR and
EASA has to be conducted by the aircraft manufacturer.
See Fig. 61.
The airbox is furnished with 2 drain holes at the lowest position possible.
The holes are necessary to drain fuel from flooding float chambers caused
by badly closing float valve.
◆ NOTE:
This drain bores are very small (1,5 mm (1/16") dia.).
Compensation of process conditions is taken care of by the
TCU.
BRP-Rotax
3 /h (220 cfm) has to be
page 100
July 01/2008