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Old 12-24-2010, 06:10 PM   #3
Flite-Metal
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Default Edgley Optica

What is your bill of material (BoM) AUW?

Believe a set of Edgley Optica plans~multiple views are available for a basis of design...which I believe to be a ducted prop, not
a ducted fan blade. Using a ducted prop will simplify construction as it affords less cost and more internal room than helix blades.
There is a diameter to duct length ratio providing greater thrust...copying the multple view spec should accomplish what's desired.


ENGINE1 x Avco Lycoming IO-360 flat-four piston engine driving a ducted fan, 149kW WEIGHTS Take-off weight1236 kg2725 lb Empty weight850 kg1874 lb DIMENSIONS Wingspan11.99 m39 ft 4 in Length8.15 m27 ft 9 in Height2.31 m8 ft 7 in Wing area15.84 m2170.50 sq ft

Plans available from MODEL AVIATION June 2000 issue plan#890 Construction pictures


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Ed Clayman
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