versity antennas). With your radio on, set the servos to the neutral positi-
on (sticks and trims centred) and fasten the setting screws of the pushrod
connectors on the elevator and rudder servo arms. Perform the throttle
range calibration of the ESC as described in the attachment of this manu-
al.
(Fig. 10+11)
11. Attach the canopy.
4
RC SET INSTALLATION AND PREFLIGHT CHECK
• Referring to the instruction manual of your radio carefully hook up the on-
board electronics.
• Once everything has been correctly connected, turn on your transmitter
and plug in the flight pack. Check the neutral positions and throws of all
control surfaces. If you needed to make the control surface throws smaller,
simply move the pushrod closer to the centre on the servo arm or move it
far from the control surface on the control horn. And vice versa.
Low Rate
High Rate
Ailerons
10 mm up/5 mm down
15 mm up/ 8 mm down
Ailerons (Airbrake)
22 mm up
22 mm up
Elevator
±10 mm
±15 mm
Elevator (Airbrake)
3 mm up
3 mm up
Rudder
±25 mm
±35 mm
• The “Low Rate” recommended control surface throws are suitable for a less
skilled pilot and regular soaring; the “High Rate” setting allows an expe-
rienced pilot exploring the full capabilities of his model. The aileron dif-
ferential (aileron down deflection reduced to 50% of up deflection) is only
possible with a computer radio.
• Check the direction of rotation of the propeller. If it was incorrect, simply
swap two of the tree wires between the ESC and motor or program the ESC
(refer to the ESC manual).
• Check the correct position of the centre of gravity (CG):
65-70 mm
behind
the leading edge of the wing
(Fig. 12)
. Adjust the CG position by moving
the flight pack - if you could not reach the recommended position, do not
hesitate to add appropriate amount of lead to the nose or tail. An extra
couple of grams won’t spoil the flying characteristics - but the incorrect CG
position is a killer.
• Fully charge your flight pack and transmitter batteries, check the proper
function of your radio and perform the range check of your radio accord-
ing to its instruction manual. The range has to be almost the same with the
motor off and at full throttle (no more than 10% decrease is acceptable). DO
NOT try to fly unless the range check is 100% successful.
APPENDIX
FLYING
The test flying and fine tuning is pretty much straightforward, there will be
no surprise for a medium-advanced pilot that is supposed to fly this model.
Congratulation on your purchase of a KAVAN Line electronic controller for brushless motors. The
state-of-the-art KAVAN Line covers almost the entire range of electric powered planes flown by
a Sunday flyer. All the ESCs can be quickly programmed using your transmitter and even easier
with the optional KAVAN Card.
PROGRAMMABLE FUNCTIONS
1. Programmable Brake Setting (use the brake on for folding props applications only).
2. Programmable Battery Type (LiPo or NiCd/NiMH).
3. Programmable Low Voltage Cut-Off Type (power reduction or immediate shut down ).
4. Programmable Low Voltage Cut-Off Setting.
5. Programmable Soft Acceleration Start Ups (for gearbox and helicopter applications).
6. Programmable Timing Settings (to enhance ESC efficiency and smoothness).
KAVAN R-6B...R-80SB
BEC Type Current (A)
Cont./Burst
Input Voltage
No. of cells
Weight (g)
BEC
(Voltage/Current)
Dimensions
(mm)
KAVAN R-6B
*BEC
6A\8A
2Lipo
5.5g
5V/0.8A
32x12x4.5
KAVAN R-12B
*BEC
12A\15A
2-3Lipo
9g
5V/1A
38x18x6
KAVAN R-15B
*BEC
15A\20A
2-3Lipo
16.5g
5V/2A
48x22.5x6
KAVAN R-20B
*BEC
20A\25A
2-3Lipo
19g
5V/2A
42x25x8
KAVAN R-30B
*BEC
30A\40A
2-3Lipo
37g
5V/2A
68x25x8
KAVAN R-40B
*BEC
40A\55A
2-3Lipo
39g
5V/3A
68x25x8
KAVAN R-40SB
**SBEC
40A\55A
2-4Lipo
43g
5V/3A
65x25x12
KAVAN R-50SB
**SBEC
50A\65A
2-4Lipo
41g
5V/7A
65x29x10
KAVAN R-60SB
**SBEC
60A\80A
3-6Lipo
63g
5V/7A
77x35x14
KAVAN R-80SB
**SBEC 80A\100A
3-6Lipo
82g
5V/7A
86x38x12
*) BEC - linear BEC
**) SBEC - powerfull switching BEC
SPECIFICATION
Programmable Electronic Controllers for Brushless Motors
red
black
Battery
Motor
ESC
Motor
To receiver, throttle channel/
/KAVAN Programming Card
Plug the UNI servo connector cable of the ESC to your receiver throttle output. The ESCs
featuring BEC or SBEC voltage stabilizer will feed your receiver and servos from the flight
battery pack.
KAVAN ESC Wiring Diagram
POWERING UP FOR THE FIRST TIME & THE AUTOMATIC THROTTLE CALIBRATION
The KAVAN ESC features Automatic Throttle Calibration to ensure the smoothest throttle
response and resolution throughout the entire throttle range of your transmitter. This step
has to be performed just once to allow the ESC to “learn and memorize” the throttle output
signal of your transmitter. It only needs to be repeated if you changed your transmitter.
1. Switch on the transmitter, move throttle stick to the top position.
2. Connect battery pack to the ESC, and wait for about 2 seconds.
3. The “Beep-Beep-” tone should be emitted, means the top point of throttle range has been
confirmed.
4. Move throttle stick to the bottom position, several “beep-” tones should be emitted to
present the amount of battery cells.
5. A long “Beep-” tone should be emitted, means the lowest point of throttle range has been
correctly confirmed.
The throttle has been calibrated now and your ESC is ready for operation.
NORMAL ESC START-UP PROCEDURE
1. Move throttle stick to bottom position and then switch on transmitter.
2. Connect battery pack to ESC, special tone like “
123” means power supply is OK.
3. Several “beep-” tones should be emitted to present the amount of lithium battery cells.
4. When self-test is finished, a long “beep-----” tone should be emitted.
5. Slowly move the throttle stick up, the prop should start to rotate clockwise (looking from
the cockpit of the plane). If it spins in the opposite direction, pull the throttle stick back,
disconnect the flight battery and swap any two of the three cables between the motor
and the ESC. The re-check again.
CONNECTING THE KAVAN ESC
The speed controller can be connected to the motor by soldering directly or with high quali-
ty connectors. Always use new connectors, which should be soldered carefully to the cables
and insulated with heat shrink tube. Use only high quality connectors to connect the ESC
to the flight pack as well - 2 mm gold plated connectors (Pelikan Daniel #7939 or #7940) for
currents up to 20A; 3,5 mm (#7941), 4 mm (#7946) gold plated connectors or DEAN-T (#7949)
for currents up to 60A and 6 mm (#7945) for currents up to 80A. The maximum length of the
battery pack wires should be within 15 cm (6 inches).
Please bear in mind improper polarity or short circuit will damage the ESC therefore it is
your responsibility to double check all plugs for proper polarity, and proper connection
BEFORE connecting the battery pack for the first time.
