7.9
P
OWERPLANT
7.9.1
E
NGINE
G
ENERAL
T
HE ENGINE IS A
A
ERO
S
PORT
P
OWER
IO-375-M1S
EXPERIMENTAL
L
YCOMING CLONE
.
I
T
’
S AN AIR COOLED
,
FOUR
-
CYLINDER
HORIZONTALLY
-
OPPOSED
(
BOXER
)
DESIGN
.
F
LYEFII EXPERIMENTAL
FUEL INJECTION AND
ECI
COLD AIR INDUCTION
(
OIL SUMP AND AIR
PLENUM ARE PHYSICALLY SEPARATED
)
GIVE IT EXTRA SMOOTHNESS AND
POWER
.
I
GNITION IS
D
UAL
ECU
FLYEFII
.
S
TARTER IS A
H
ARTZELL
LIGHT WEIGHT STARTER
.
T
HE ENGINE
ALSO DRIVES A
P
LANE
P
OWER
FS1-14
A LT E R N AT O R A N D A S E C O N D
H A R T Z E L L L I G H T W E I G H T
ALTERNATOR CONNECTED TO THE
VACUUM PORTE
.
C
OMPRESSION RATIO
IS
8.5:1,
RATED
H
ORSEPOWER IS
195
H
.
P
.
AT
2700
RPM.
S
PECIALTIES OF THE
A
ERO
S
PORT
P
OWER
IO-375-M1S:
ECI
N
ICKEL
C
ARBIDE
C
YLINDERS WITH
T
APERED
B
ARREL
F
INS
PORTED AND FLOW MATCHED
,
EFII
E
LECTRONIC
F
UEL
I
NJECTION AND
I
GNITION
S
YSTEM
(EFII-1
D
UAL
ECU),
C
AMSHAFT AND
L
IFTERS
,
S
UPERIOR
C
OLD
A
IR
H
ORIZONTAL
I
NDUCTION
S
UMP
,
C
ONNECTING
R
ODS
,
B
ALANCED
H
OLLOW
C
RANKSHAFT
,
D
YNAFOCAL
T
YPE
1
C
RANKCASE
,
R
ING
G
EAR
,
I
NNER
C
YLINDER
B
AFFLES
,
D
IPSTICK AND
T
UBE
,
90
D
EGREE
S
PIN ON
O
IL
F
ILTER
A
DAPTER AND
V
ACUUM
P
UMP
A
DAPTER
H
OUSING
.
E
NGINE PAINTED RED
.
E
XHAUST SYSTEM IS A
A
ERO
P
OWER STAINLESS STEEL FOUR INTO
1
WITH MUFFLER
.
Van’s RV7
Aircraft Flight
Manual
Rev 0.1
S/N 74141
Aircraft Flight
Manual
I-MKLK
DESCRIPTION OF THE AIRPLANE
I-MKLK AIRCRAFT FLIGHT MANUAL 7.0 127