Control ULTRA 7A BL Heli S 2-3S

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The miniature multicopter or indoor models ESC The Graupner UltraControl 7 A Race BL Heli S is... more

The miniature multicopter or indoor models ESC


The Graupner UltraControl 7 A Race BL Heli S is the ideal ESC for all Miniature Multicopter or Indoor models, which are especially important for size and weight. The 7A Race combines a compact design, low weight, fast reaction times and optimized settings for Racecopter.

The UltraControl 7 A has installed the Open Source BLHeli S software for standardservopulse, oneshot, multishot and D-Shot. The flight controller uses the modern 50 MHz Silabs processors. The processor has a twice as high clock rate compared to its predecessors. This guarantees higher maximum speeds as well as precise timing at high speeds.

Special FET drivers ensure a more active freewheeling and better cooling of the output stage. The ceramic capacitors used allow fast start-up times and guarantee high operational safety. The controller has pre-activated the Damped Light mode. This allows a more precise flight behavior. The speed limit of the 7 A Race is 400,000 RPM with two-pole motors.

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Technical information
Operating voltage neutral [V] : 7,4...11,4
Width [mm]: 10
Max. continous current [A]: 7
EMK brake: programmable
Weight [g]: 2,4
Height [mm]: 3
Overall length [mm]: 13
Reverse: programmable
Pulse frequency [kHz]: 24
Cell count, LiPo, Lilo, LiFe: 2 - 3
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