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Avionics WIRING    MISCELLANEA       OPTION'S  BUILDERS LOG
 45: Power Plant
45.01 Egine Cowell 45.02 Engine Install 45.03 Engine Wiring
45.04 NACA Ducts 45.05 Ram Air Ducts 45.06 Oil Cooling
45.07 Propeller Install Engine Log Performance
 Page: 45.04 NACA Ducts  
 01: Make the plugs for making NACA Ducks.

04/06/18
 02: Wax the plugs then layup with 3 layers of fiberglass & resin. 03: Remove from plugs and sand.
 04: Custom NACA Ducks with a adjustable extension tube.

03/25/18
05: This can be set to the best angle for your aircraft.

03/25/18
06: Then fiberglass and use drum a drum sander to blend the transition on the inside.

03/25/18
07: Sand for best fit then cleco to Cowell.

Cut the hole in the Cowell a little smaller then the NACA Duct.

Remove the Duct , add resin , re-cleco then add two layers of fiberglass with resin.

04/06/18
08: Cut and sand to the final size.

04/14/18
Page: 45.04 Propeller Install
45.01 Egine Cowell 45.02 Engine Install 45.03 Engine Wiring
45.04 NACA Ducts 45.05 Ram Air Ducts 45.06 Oil Cooling
45.07 Propeller Install 45.08 Engine Log 45.09 Performance
                     BUILDERS LOG
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