Graupner New Items 2008

Speed controllers
COMPACT FLY 15 BEC 6 – 16,8 V
Order No. 7720 BEC connector
COMPACT FLY 25 BEC 6 – 16,8 V
Order No. 7721 G3.5 connector
● Small, lightweight, particularly
good value
● Pre-programmed throttle travels
● Speed controllers are an excellent
choice for use with GRAUPNER
COMPACT and INLINE motors
● Suitable for NiMH and LiPo batteries,
throttle-back at around 70% of initial
voltage
● High-performance BEC system for
powering the receiving system
● Switchable brake
● Outstanding performance values
The stated continuous current -
printed on the label - can be exceeded
briefly without the motor cutting out.
● Ultra-fine control characteristics
● Ideal for aerobatic models and
Show-Fly models
166 New Items ’08
Specification
7720 7721
Operating voltage range 7,2 ... 14,8 V 7,2 ... 14,8 V
Cell count, NiMH / NiCd 6 – 12 6 – 12
Cell count, LiPo / LiIo 2 – 4 2 – 4
Continuous current 15 A 25 A
Max. motor current, 10 s 25 A 35 A
Over-temperature guard, approx. 120 °C 120 °C
EMF brake programmable programmable
Soft-start yes yes
Power-on signal suppression yes yes
Pulse frequency approx. 12 kHz 12 kHz
BEC receiver power supply 5 V/2 A kurzz. 2 W 5 V/2 A kurzz. 2 W
OPTO – –
Dimensions approx. 44 x 27 x 9 mm 44 x 27 x 12 mm
Weight incl. leads approx. 19 g 30 g
Battery connector BEC G3,5
7721
7720
NAVY V15R
Order No. 2861
NAVY V30R
Order No. 2880
● Reasonably priced
● Waterproof
● Pre-programmed transmitter values
● Full throttle 1.1 ms / Neutral 1.5 ms /
Reverse 1.8 ms
● Forward / reverse
● Powerful BEC
● High pulse frequency