EXI-450C Specifications


Main Rotor

Weight (config 1)
Overall dia (cm) 72.50
Description 3E 4S 2200
Blade length (cm) 32.50
Empty (gr) 620.00
Hub dia (cm) 7.50
Battery (gr) 229.00
Chord width (cm) 3.25
Logger (gr) EagleTree 28.5
Thickness (cm) 0.42
Total (gr) 877.50
Percent thickness 12.77
Disk Loading (gr/cm^2) 0.213
Solidity (sigma) 0.0571


Blade weight (gr) 22.00


Normal rpm (75%) 2400.00


Tip speedn (m/s) 91.11


Flt mode 1 rpm (78%) 2670.00


Tip speed1 (m/s) 101.36


Flt mode 2 rpm (80%) 2860.00


Tip speed2 (m/s) 108.57







Motor pinion 13
Reynolds No. Tip
Main gear 150
Normal 209,314
Autorotation gear 106
Flt mode 1 232,861
Tail gear 25
Flt mode 2 249,432





Motor:Rotorm 11.54


Rotort:Rotorm 4.24







Cyclic & Collective

Notes
Cyclic Pitch (down/up) 22/24
Phoenix Sim 3100 rpm (3D), 2800 (sport)
Cyclic Roll (left/right) 26/24
Changed Ail. From 64->70, El 64->70, Pitch 64->60
Collective Pitch (down/up) 9/9
Seem to help.





Tail Rotor

Switched to CF tail blades 20110422
Overall dia (cm) 15.70
Switched to lighter paddles (6.2gr -> 4.55gr /paddle)
Blade length (cm) 6.00


Hub dia (cm) 3.70
20110811 4S config. Turnigy 2223 (2900kv)
Chord width (cm) 1.75
Switched to 325mm main blades
Thickness (cm) 0.25


Percent thickness 14.29


Normal rpm 10176.00


Tip speedn (m/s) 83.65


Flt mode 1 rpm 11320.80


Tip speed1 (m/s) 93.06


Flt mode 2 rpm 12126.40


Tip speed2 (m/s) 99.69
mu 1.41E-005

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