3D Hobby Shop Velox VR-1 Assembly Manual - Page 17

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SETUP INFORMATION

Center of Gravity -

Velox VR-1

Edge 540

These are starting, aerobatic center-of-gravity locations. After several flights, you can and should adjust

in small increments to find your perfect, personal CG location.

Control throws, high and low rate –

Low/Precision Rates (in degrees and inches) and Corresponding Exponential

Aileron

Elevator

Rudder

High/3D Rates (in degrees and inches) and Corresponding Exponential

Aileron

Elevator

Rudder

The above throw measurements are taken at the aft edge of the ailerons and elevator,

and from the bottom aft edge of the rudder. Note that Hitec and Futaba radios require

NEGATIVE exponential, while JR and Spektrum use POSITIVE exponential.

Servo arm length:

Most servo arms have multiple locations which you can install your pushrod adjustors into, giving different

effective servo arm lengths. The method to determine the correct hole is as follows:

Set your high-rate throws as indicated above using the endpoint adjustment for each channel in your

transmitter. If your endpoint adjustment is near maximum (a value of 140-150 on most transmitters) then

you are using the correct hole. However, if your endpoint adjustment is much lower, under 125 for

example, you may need to use a hole that gives a shorter effective arm length. If your endpoint

adjustment for correct high-rate throws is excessively low, you will notice very poor servo performance.

To put it simply, use the shortest arm length that still allows proper high rate throws.

Once you are certain of the correct arm length, be sure to use thick CA to lock all of your adjustor nuts on

all servo arms.

98 mm from leading edge of wing at wing root (at fuselage)

93 mm from leading edge of wing at wing root (at fuselage)

15 degrees .75"

13 degrees 1.25" 30% Expo

45 degrees 3.5"

28 degrees 1.25" 75% Expo

45 degrees 3"

45 degrees 3.5"

30% Expo

75% Expo

85% Expo

75% Expo