Main Rotor |
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Weight (config 1) |
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Overall dia (cm) |
72.50 |
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Description |
3E 4S 2200 |
Blade length (cm) |
32.50 |
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Empty (gr) |
620.00 |
Hub dia (cm) |
7.50 |
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Battery (gr) |
229.00 |
Chord width (cm) |
3.25 |
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Logger (gr) EagleTree |
28.5 |
Thickness (cm) |
0.42 |
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Total (gr) |
877.50 |
Percent thickness |
12.77 |
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Disk Loading (gr/cm^2) |
0.213 |
Solidity (sigma) |
0.0571 |
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Blade weight (gr) |
22.00 |
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Normal rpm (75%) |
2400.00 |
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Tip speedn (m/s) |
91.11 |
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Flt mode 1 rpm (78%) |
2670.00 |
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Tip speed1 (m/s) |
101.36 |
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Flt mode 2 rpm (80%) |
2860.00 |
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Tip speed2 (m/s) |
108.57 |
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Motor pinion |
13 |
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Reynolds No. Tip |
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Main gear |
150 |
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Normal |
209,314 |
Autorotation gear |
106 |
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Flt mode 1 |
232,861 |
Tail gear |
25 |
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Flt mode 2 |
249,432 |
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Motor:Rotorm |
11.54 |
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Rotort:Rotorm |
4.24 |
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Cyclic & Collective |
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Notes |
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Cyclic Pitch (down/up) |
22/24 |
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Phoenix Sim 3100 rpm (3D), 2800 (sport) |
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Cyclic Roll (left/right) |
26/24 |
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Changed Ail. From 64->70, El 64->70, Pitch 64->60 |
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Collective Pitch (down/up) |
9/9 |
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Seem to help. |
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Tail Rotor |
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Switched to CF tail blades 20110422 |
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Overall dia (cm) |
15.70 |
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Switched to lighter paddles (6.2gr -> 4.55gr /paddle) |
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Blade length (cm) |
6.00 |
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Hub dia (cm) |
3.70 |
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20110811 4S config. Turnigy 2223 (2900kv) |
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Chord width (cm) |
1.75 |
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Switched to 325mm main blades |
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Thickness (cm) |
0.25 |
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Percent thickness |
14.29 |
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Normal rpm |
10176.00 |
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Tip speedn (m/s) |
83.65 |
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Flt mode 1 rpm |
11320.80 |
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Tip speed1 (m/s) |
93.06 |
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Flt mode 2 rpm |
12126.40 |
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Tip speed2 (m/s) |
99.69 |
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mu |
1.41E-005 |