14
4.4 Under voltage disconnection
Each KOBY ESC includes an automatic
voltage disconnection at 3V/cell. It
motor off if the battery pack is on low capacity
motor can be switched on again, by pulling the
throttle into motor-off position and then pushing it
forward again.
4.5
Cooling/Fixing
Sufficient cooling increases efficiency and
of the ESC. The KOBY ESC improves performance
with increased cooling. Do not fix KOBY ESCs on
their body. Use cable ties to fix the KOBY on its
cables and/or hook and loop tape to fix the KOBY
on the sticker side.
4.6 Part load capability
Due to its active freewheeling circuit t
ESC can be operated in part load conditions if at
full throttle and full load the battery current
not exceed the KOBY continuous current limit.
(e.g. KOBY 90LV < 90A).
4.7 Active freewheeling circuit
To optimize the efficiency at part load
reduce heating the KOBY ESC features
freewheeling circuit.
4.8 Sensorless Commutation
KOBY ESCs work without sensors inside
via a 3D recognition system. Commutation of the
motor will automatically be optimized to the
application. Thus the KOBY cannot detect the
motor position at zero RPM. Therefore
oscillation during start is possible.
5
Connection of cables
an automatic under
switches the
if the battery pack is on low capacity. The
motor can be switched on again, by pulling the
off position and then pushing it
efficiency and lifespan
improves performance
Do not fix KOBY ESCs on
their body. Use cable ties to fix the KOBY on its
tape to fix the KOBY
Due to its active freewheeling circuit the KOBY
can be operated in part load conditions if at
he battery current does
current limit.
To optimize the efficiency at part load and to
ESC features an active
side the motor
ommutation of the
motor will automatically be optimized to the
cannot detect the
motor position at zero RPM. Therefore little motor
Version
Cable diameter
motor
KOBY 40+ LV
2,5 mm
KOBY 55+ LV
2,5 mm
KOBY 70+ LV
4 mm
KOBY 90+ LV
4 mm
5.1
Connection to Rec
Due to 3A continuous current and 1
current KOBY ESCs allow
performance digital servos
5.2
Motor cables
The sequence is arbitrary. The motor rotation will
be reversed by changing 2 motor cables
sensor cables are not used.
Use polarized connectors for battery cabl
only! Connecting the battery with reverse
polarity will destroy the
6
Quick Set-up
At delivery status the
(Auto-Programming-Mode).
throttle positions of the RC.
1. Switch on Tx - set throttle con
2. Switch on RX
3. Connect battery to KOBY
4. Give 1s full throttle or start with full throttle
5. Ready
If the motor fails to start,
switch Tx option “reversion of rotation”
In all other modes the throttle position
programmed and fixed and not learnt with
every start.
!
!
Cable diameter
motor
Cable diameter
battery
2,5 mm
2,5 mm
2,5 mm
2,5 mm
4 mm
4 mm
4 mm
6 mm
Connection to Receiver
A continuous current and 10A peak
ESCs allow the use of high
performance digital servos and flybarless systems.
The sequence is arbitrary. The motor rotation will
sed by changing 2 motor cables. Motor
sensor cables are not used.
Use polarized connectors for battery cables
Connecting the battery with reverse
polarity will destroy the ESC.
KOBY ESC is set at APM
Mode). It will adapt itself to the
throttle positions of the RC.
et throttle control to off
KOBY ESC
tle or start with full throttle
If the motor fails to start, disconnect battery and
option “reversion of rotation” on or off.
In all other modes the throttle position will be
programmed and fixed and not learnt with
