observation and Forward Air Control (FAC). The wing was redesigned with a larger Fowler flap that deployed up to 60 degrees deflection. The full scale C-170B had a wingspan of
36 feet, was 24 feet, 11.5 inches in length. Empty weight was 1,205 pounds with a gross weight of 2,200 pounds. Power was provided by a Continental 0-300 145 hp engine with a 76-inch fixed pitch propeller. The C-170B had a climb rate of 690 feet/minute. Cruising speed was 121 mph with a stall speed of 49 mph, and a 590 mile range.
FLYING MODELS
The model was designed in 1:8 scale with
a wing span of 53.75 inches. The C-170 was an off-shoot of the earlier C-180 design. The fuselage and wings were used from the ear- lier 1:8 scale C-180 design with a new verti- cal and horizontal tail and cowl nose bowl. This model was intended to be a lightweight Park Flyer type, so to keep the flying weight down, the model was done as an open struc- ture type, not fully sheeted. The result was a great flying model that can be flown in rel- atively small venues.
For guidance, the C-170 needs 5-channel
R/C with simple, but effective, bottom hinged flaps along with the four basic flight controls. Power is a low cost brushless out- runner motor and a 2-cell Li-Po battery. Control comes by way of six servos to ac- commodate the plug-in wings that make takedown for transport and reassembly at the field quick and easy, and no tools are re- quired. Functional struts support the wing and are retained to the fuselage with rare earth magnets.
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