E-flite EFL02050 Blackbird Twin Instruction Manual
- June 1, 2024
- E-flite
Table of Contents
SR-71 Blackbird 40mm Twin EDF
Manual Addendum
Read Before Setup and Flying
Smart Technology Telemetry
(In reference to page 9 of the manual)
Set low voltage alarm to 3.45v/cell minimum.
Nose Skid
A nose skid is included which can be installed in place of the nose gear to
help protect the aircraft during belly landings on hard surfaces.
Trim
-
The elevator and elevon neutral points shown on page 7 of the instruction manual are for flying WITHOUT the landing gear installed.
Flight performance is noticably better without the landing gear installed (due to less weight and drag). -
Always trim for neutral in AS3X mode without applying power to the motors, so AS3X is not active.
-
Neutral and flight trim will change when flying with the landing gear installed.
Trim without landing gear: The elevator halves should be aligned with the edge of the fuselage.
Use a straight edge to align the elevons with the elevators.
Trim with landing gear: Lengthen the control linkages to raise the elevator halves and elevon neutral point 0.5mm, measured from the trailing edge of the elevator to the edge of the fuselage.
Use a straight edge to align the elevons with the elevators. -
Ensure both sides of the aircraft are at the same trim position before flight.
Trim Without Landing Gear
Trim With Landing Gear
©2023 Horizon Hobby, LLC. E-flite and, AS3X, are registered trademarks of
Horizon Hobby, LLC.
EFL02050