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How to Assemble FlightLine B-25J Mitchell RC Airplane
FlightLine B-25J Mitchell — Assembly Guide
Skill Level: Intermediate | Estimated Time: ~2 hours | Model: 1600mm wingspan PNP version
Preparation
- Tools needed: Phillips screwdriver, tape, hobby knife, CA glue/epoxy
- Required (not included): 6‑channel radio + 6‑channel receiver, 6S 22.2V 5000–5500mAh LiPo (EC5 connector)
- Verify contents against the manual’s parts list before starting.
Step‑by‑Step Assembly
1. Install Vertical Stabilizers
- Route left/right rudder servo cables through slots into the horizontal tail.
- Mount both vertical tails to the horizontal tail; secure with 4× KA3×10mm screws.
2. Install Horizontal Stabilizer
- Plug elevator servo cable into ELE port; rudder cable into RUD port on rear‑fuselage PCB.
- Fasten horizontal stabilizer to rear fuselage with 3× KA3×10mm screws.
3. Join Fuselage Sections
- Fit conical plastic parts onto the carbon tube.
- Route ribbon cables from front fuselage into rear‑fuselage PCB.
- Mate front & rear fuselage; secure with 2× KA3×10mm screws.
4. Install Inner Wing Panels
- Insert carbon tubes A & B into fuselage.
- Pull ribbon wires, ESC leads, and servo cables through the wings.
- Plug into the fuselage control board; secure inner wings with screws.
5. Install Outer Wings (Quick‑Release)
- No screws needed! Plug in the single ribbon connector, then engage the latch toggle levers to lock.
- Ensure both sides lock securely and are fully seated.
6. Install Propellers
- Left engine → standard rotation; Right engine → labeled “Rev” (counter‑rotating).
- Attach 3‑blade props and spinners securely.
7. Install Accessories
- Mount dummy bombs, antennas, gun barrels, and scale details.
- Apply desired decal sheet (3 options included).
8. Radio & Battery Setup
- Battery: 6S 5000–5500mAh LiPo, secured with Velcro in nose compartment.
- CG: Balance at recommended location in manual — critical for flight.
- Radio setup: 6 channels; flaps, retracts, bomb doors on aux channels.
- Control test: Verify all surfaces move correctly — elevator, rudder, ailerons, flaps, retracts.
Critical Notes
- Counter‑rotating props: Right = marked “Rev” — failure to match will cause asymmetric thrust.
- Center of Gravity: Do NOT fly without confirming CG per manual.
- Retracts & bomb doors: Test sequenced operation before flight.
- Always power ON transmitter FIRST, then connect battery.
