Cypher/BuildTips

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Build Tips

NOTE: Since Mid October 2021, all Cyphers shipping from Flex in the USA come with FW4.2.6 installed and set as noted HERE.

NOTE: Since Early July 2020, all Cyphers shipping from Flex in the USA come with FW4.2.0 installed and set as noted HERE.

  • We have confirmed reports of PROBLEMS using the BetaFlight 10.7 configurator with common pre-4.2.6 firmware. Do NOT use BetaFlight PC Configurator 10.7!. Please use 10.6.0
  • With your radio alive and connected to a configurator, Adjust the Throttle Travel (at low stick and mid trim) so the value is about 1020 (between 1010 and 1030). Your Cypher should arm and operate well at this position. Settings out of range will not allow the motors to Arm.
  • The manual printing is dark. If you need to see certain photos better, you can view the PDF online by clicking on this Manual Link
  • The manual does not cover installing the wheels on the axles.
    • Place a wheel onto an axle
    • Apply blue thread lock to the set screw
    • Install wheel collar and snug the set screw with the included 1.5mm hex driver
  • Page 26, step two should read:
2. Once the vertical fins have dried, use a #1 Phillips screwdriver and the screws removed from the tilt setup section to secure the rear hatch assembly onto the fuselage. Note that the two larger diameter screws are used for the front mount locations.
  • Page 27, step two: When installing the wing, the corner of the aft edge aligning tab interferes slightly with the socket. It can be simply pushed in from the tip and will pop right in. If you prefer, you can use a sharp knife to chamfer the corner of the tab a few millimeters.
    Cypher CG Location!
  • Page 28, step four: For the grey painted Cyphers, you do not need to put wing tape on the top painted surface. You can put an extra tape long ways over the servo wire on bottom. This is also ok for the white Cyphers.
  • Page 37, A couple of users have mis-read the CG instructions. Please be sure to read them correctly and look at the graphic!
The recommended starting CG is located 21mm (13/16 inch) FORWARD of the aft edge of the plastic belly pan.
  • Notes on Spektrum Use with older equipment:
    • DSM2 is quite old and firmware varies from product to product. For best compatibility, use DSMX products.
      • Many of the modern Spektrum DSM Receivers with SRXL/2 output do not provide proper data when bound in DSM2 mode.
    • DX6I Use
      • The DX6I does not allow enough travel to meet Betaflight's expectations. It can be worked around by knowledgeable users.
      • Earlier DX6I's do NOT have a 3-positions switch available, and this is quite limiting.... Only 2 fan angles available.
      • DSM2 DX6I's have shown that they are not compatible with the SRXL capable Rx's required for Cypher. They do not provide a properly formatted SRXL/2 data stream when bound.

Angle Mode Calibration

Please Calibrate the accelerometer before first flights as described in the manual and on the Cypher Wiki Main Page. This is Mandatory for FW4.2.0 and FW4.2.6

Key adjustments before first flight for smooth transitions! Set per manual:

  • Adjust fan angle with Gauges and mechanical -or- transmitter channel 6 travel adjustments for:
    • 45 degree/Magic (Mechanical - Ball Link)
    • 0 degree/Forward Flight (Tx Travel) -- !VERY IMPORTANT!
    • Hover fan angle. (Tx Travel)
  • Adjust elevon angles with gauge. (Mechanical - Clevis Turn)
  • Check CG
  • NOTE: The elevon gauge sets the Cypher conservatively. Your Cypher is likely to climb a bit in forward flight initially. If adjustments are needed, land and turn the elevon clevises. Example, if climbing, turn both clevises in 1 turn and try again. Repeat as needed. Experience indicates it is OK to set per the gauges, and then turn each elevon clevis IN (down) one full turn before first flight, then adjust from there.
Initially climbing is better than diving!


Cypher Wiki Main