Futaba - SBS-01RO Optical RPM Telemetry Sensor ASC20174C Two pairs of Tender Spring

Two pairs of Tender Spring

and linkage mounts

Eliminates axle wrap and unwanted axle steer

SERVO GEAR SET WITH BEARINGS SV1271SG

Hundreds of short square pins arranged around the carcass provide fantastic traction on the corners and a central double-row of extra-wide treads giving you excellent acceleration and stopping power

Futaba - SBS-01RO Optical RPM Telemetry Sensor ASC20174C Two pairs of Tender SpringUse: Indicates the number of rotations of the item (propeller, rotor, etc.) to which it is attached. Range: 360 ~ 300,000 RPM blades Length: 160 mm 6. 3 in Weight: 4. 9 g 0. 173 oz Voltage: DC 3. 7 ~ 7. 4V The SBS 01RO is not optimal for helicopter use due to the large distance between the rotor and sensor, as a result, the reading can be unstable. It is recommended the SBS 01RM Magnetic Sensor be utilized for Helicopters.