AK420 3D Tune

Pilot name
George S.
helicotper manufacturer
Steam
helicopter model
AK420
helicopter Size
420
flight style
Mild 3D
power type
Electric
FBL manufacturer
VBar
FBL model
Evo
headspeed reference type
Actual head speed (RPM)
recommendation level
Recommend
headpseepd(s)
2200/2400/2600
power configuration
6S
Pilot notes
Set up for beginner, would recommend turning down agility a bit for a newer pilot.
known issues/warnings
Check agility settings, may be quick for new pilot
Show Full Specs ↓
Pilot Skill Level
Intermediate
Motor
Steam 3220 1000KV
ESC
Hobbywing 80A V5.1
Servos
Theta THS921A cyclics, THM982 tail
Main Blades
Steam 420
Tail Blades
Steam 74mm
Pitch Range
+/- 13
Governor Type
Internal (FBL)
Rescue-Stability
Rescue only
FBL Firmware
V8.2
Flights On Tune
5
Conditions Tested
Calm/cloudy

Vbar Bank 1

Main Rotor - Standard Values

Exponential
30
Agility
120
stick direct
60
control response
50
gain
116
integral
60
collective balance
35
stop support
20

Main Rotor - Extended Values

lightness
0
i-discharge
0
swash algorithm
V8.2
pitch pump
15
shiver filter (hz)
0
elevator precomp
0

Tail Rotor - Standard Values

exponential
50
rotation rate
100
control response
70
gain
74
proportional
80
integral
80
tail wag suppression
0
collective precomp
22
cyclic precomp
8

Tail Rotor - Extended Values

i-limiter
0
i-discharge
0
differential
0
stop gain - a
96
stop gain - b
95
optimizer - a
96
optimizer - B
95

Vbar Bank 2

Main Rotor - Standard Values

Exponential
30
Agility
120
stick direct
60
control response
50
gain
120
integral
60
collective balance
35
stop support
20

Main Rotor - Extended Values

lightness
0
i-discharge
0
swash algorithm
V8.2
pitch pump
15
shiver filter (hz)
0
elevator precomp
0

Tail Rotor - Standard Values

exponential
50
rotation rate
100
control response
70
gain
56
proportional
80
integral
80
tail wag suppression
0
collective precomp
22
cyclic precomp
8

Tail Rotor - Extended Values

i-limiter
0
i-discharge
0
differential
0
stop gain - a
94
stop gain - b
56
optimizer - a
10
optimizer - B
19

Vbar Bank 3

Main Rotor - Standard Values

Exponential
30
Agility
120
stick direct
60
control response
50
gain
124
integral
60
collective balance
35
stop support
20

Main Rotor - Extended Values

lightness
0
i-discharge
0
swash algorithm
V8.2
pitch pump
15
shiver filter (hz)
0
elevator precomp
0

Tail Rotor - Standard Values

exponential
50
rotation rate
100
control response
70
gain
48
proportional
80
integral
80
tail wag suppression
0
collective precomp
22
cyclic precomp
8

Tail Rotor - Extended Values

i-limiter
0
i-discharge
0
differential
0
stop gain - a
79
stop gain - b
45
optimizer - a
13
optimizer - B
14
Vbar Screenshots
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