FLEETWINGS F-4 "SEABIRD"
Sheet 1 of 2
- Upthrust: 3°
- Thrust line
- Manually retractable water rudder used as steering rudder during taxiing
- All-metal, hydraulically operated flaps
- V-shaped inspection flaps, closed by zippers
- Fuel gauge
- Exhaust
- Louvers
Specifications
- Span: 40' 6"
- Length: 31' 5 1/2"
- Wing area: 235 sq. ft.
- Scale: 1:64 (3/16" = 1' 0")
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FLEETWINGS F-4 "SEABIRD"
Sheet 2 of 2
#### Series and Engine
- Fleetwings F-4 series: 285-hp Jacobs
- F-5: 300-hp Jacobs
- Propeller: Curtiss propeller
- Engine: Jacobs L-5, 285-hp at 2000 rpm
#### Instruments and Controls
- Pitot head
- Fuel gauge
- Trim tab
#### Hull and Structure
- All-metal, stainless-steel, smoothed monocoque-type hull. Stresses carried by built-up steel tubes.
- Fabric covering where indicated.
- All-metal, stainless-steel, fabric-covered two-spar type wings with intermediate ribs, built-up drag struts, and double diagonal tie-rod bracing.
- Box-type spars with webs and caps, corrugated longitudinally and provided with internal stiffeners.
#### Fittings and Access
- Walk mat
- Fuel fill cap
- Mooring hatch
- Entrance hatch: hinged against centreline and opens upwards
#### Miscellaneous
- A C E
- B D F
FLEETWINGS F-4 "SEABIRD" Sheet 2 of 2
Transcribed from original scans by AI. Minor OCR errors may remain.
