
TABLE OF CONTENTS
INTRODUCTION
Unparalleled Flight Performance
The Flex Innovations Plug-and-Play FV-31 Cypher VTOL EDF is the
most advanced and versatile vertical take off and landing (VTOL) and
short take off and landing (STOL) model aircraft of its type. Two fixed
EDF units are mounted toward the leading edge of the wing, while two
larger EDF units are mounted to a rotating pod at the rear of the
aircraft. This advanced EDF configuration provides the greatest in total
performance versatility, while remaining simple to use and easy to fly.
Thanks to the Flex Innovations developed, FLEXF3 stabilization
board, you get a total of six unique ways you can fly, while being able
to choose between any of them, at any time during the flight. These
flight modes work seamlessly together to offer the most stable and
predictable flight experience possible. Pilots will always retain total
control, even during tansitions between modes.
For the latest updates, features, addendums and more, before
assembly, please visit:
wiki.flexinnovations.com/wiki/Cypher
Factory-installed and custom-tuned FLEXF3 Flight
Control System
4 EDF units for great power, control and improved
safety
Bluetooth module and Micro-USB cable included
Assemble and set up in less than one hour
(4) 40A, 32-bit brushless ESC unit with switching BEC
(3) Potenza DS-15 digital servos for controls
(1) S0090 Standard-size, metal gear servo for fan tilt
Light Weight EPO foam that is durable and easy to
repair
Introduction
Specifications
Completion Items
Replacement Parts
Battery Charging Guidelines
Special Language Definitions
Important Information Regarding Warranty
Safety Warnings and Precautions
FLEXF3 Control System
Transmitter Setup
Spektrum Transmitter & Receiver Setup
Futaba Transmitter & Receiver Setup
Connecting a Battery/Arming the ESC
Low Voltage Cutoff
Rear Fan Angle Adjustment
Landing Gear Installation
Ventral Fin Installation
Vertical Fin Installation
Main Wing Installation
Elevon Setup
Beginner Profile Calibration
Transmitter Control Direction Test
Flight Control Sensing Direction Test
Fan Installation
Center of Gravity Verification
Pre-Flight Checks
Flying Tips - Controls and Flight Profiles
Flying Tips - Flight Configurations and First Flights
Flying Tips - First Flights, Transitions and Trimming
Troubleshooting Guide
FLEXF3 Wiring Diagram
AMA Safety Code
Limited Warranty
2
3
3
3
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4
4
4
5
6
7-13
14-19
20
20
21,22
23, 24
25
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26
27, 28
29
30, 31
32
33
34-36
37
37
38
39
40
41, 42
43
44
45
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