Caudron C.684

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Revision as of 13:57, 30 November 2010 by Guillaume (Talk | contribs) (remove broken links, update version number and procedures)

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Caudron C.684
Author(s) Guillaume Chauvat, Laurent Hayvel (texture)
--aircraft= /C684









Status beta (0.4.12)

The Caudron C.684 was a single piston engine sport plane of the 1930s.

Aircraft help

G Select propeller low pitch (takeoff / landing)
g Select high pitch (cruise)
! Toggle battery
$ Apply selected pitch

User's Manual

The propeller is an old variable pitch propeller. It has only two configurations: low and high pitch. Use low pitch for low speeds: takeoff and landing. Use high pitch for cruise (more than 180 km/h).

Standard procedures

  1. Battery: On
  2. Magnetos: both
  3. Starter: 10 seconds max
  1. Flaps: 20°
  2. Full power
  3. Lift tail wheel at 100 km/h
  4. Initial climb: 140 km/h
  5. 100 m (300 ft): Flaps: 0°
  6. Climb: 150 km/h
  1. 150 km/h
  2. Pitch: low
  3. Full power
Cruise climb
  1. Full power
  2. Pitch: high
  3. 200 km/h
Change pitch
  1. Apply pitch: Off
  2. Select pitch
  3. Apply pitch: On
  4. When the light is off, apply pitch: Off

Remark: there are only two different pitches: low and high. "Slow high" ("grand pas lent") makes just the pitch change more slowly than "high pitch" ("grand pas").

  • Propeller Pitch: High
  • 2200 rpm, 275 km/h
  • Above 1500 m (4500 ft), mixture in order to maximize rpm.
  1. Flaps: 45°
  2. Speed: 140 km/h

Emergency procedures

Accidental spin
  • Rudder: in the direction of the spin
  • Elevator: neutral position
  • Ailerons: neutral position, DO NOT USE AILERONS
  • When the spin stops: pull (<3.5g) to raise the plane


Remark: since I didn't find any manual, most of speeds are just estimates

  • VNE: 400 km/h (215 kt)
  • VFE: 190 km/h (103 kt)
  • Max positive G: +3.5
  • Max negative G: -1.5
  • Max RPM: 2800
  • Max continuous RPM: 2500 for 5 minutes

Related content

External links