Control Centering: Fly straight and level. Use transmitter trims for hands off straight and level flight. Adjust clevis to center transmitter trims, or reset computer trims.

   Control throws: Fly model and apply full deflection of each control in turn. Check response of each control: Aileron hi-rate: 3 roils in 4 seconds, low rate: 3 rolls in 6 seconds, Elevator high rate: to give a good and smooth corner, low rate: to give a loop of approx. 130 foot in diameter, Rudder high rate: 30-35 degrees for stall turns, low rate: to maintain knife edge.

   Decalage: Power off vertical dive, cross wind (if any). Release controls when model is vertical (elevator trim mush be neutral).

A: Model continues straight down; no adjustment.
B: Model starts to pull nose up; Reduce wing incidence.
C: Model starts to pull nose down; Increase wing incidence.

   Center of gravity:
Method 1: Roll into a near vertically banked turn.
 A: Nose drops; Add tail weight.
 B: Tail drops; Add nose weight.

Method 2: (Simple) Roll inverted.
 A: Lots of down elevator required to maintain level flight. Add tail weight.
 B: Now down elevator required or plane climbs; Add nose weight.

   Tip weight: (course adjustment) Fly straight and level upright. Adjust aileron trim for level flight. Roll inverted, level wings and release stick.
 A: Model does not drop a wing; No adjustment.
 B: Left wing drops; Add weight to right tip.
 C: Right wing drops; Add weight to left tip.

   Side thrust: Fly away from you, into any wind and pull vertical.
 A: Model continues straight up; No adjustment.
 B: Model veers left; Add right thrust.
 C: Model veers right; Reduce right thrust.

   Up/Down thrust: Fly normal path into wind, parallel to you, approx 100 yards from you. Elevator trim should be neutral per test 3. Pull vertical and release elevator.
 A: Model continues straight up; No adjustment.
 B: Model pitches nose up; Add down thrust.
 C: Model pitches nose down; Reduce down thrust.

   Tip weight: (fine adjustment)
Method 1: Fly model as per test 7, and pull into a small loop (1 only)
Method 2: Fly model as per test 7, and push into a small outside loop (1 only)
 A: Model comes out with wings level; No adjustment.
 B: Model comes out with right wing low; Add weight to left tip.
 C: Model comes out with left wing low; Add weight to right tip.

   Aileron differential:
Method 1: Fly towards you and pull into a vertical climb. Release controls, then do a half roll.
 A: No heading changes; No adjustment.
 B: Heading changes to opposite of roll command (veer left after right roll); Increase differential.
 C: Heading changes in direction of roll command; Reduce
differential.

Method 2: Fly model on a normal pass and do three or more rolls.
 A: Roll axis on model center line; No adjustment.
 B: Roll axis off same direction as roll command (right roll, roll axis off right wing tip); Increase differential.
 C: Roll axis opposite of command; Reduce differential.

   Dihedral: Fly on normal pass and roll knife edge (left and right).
 A: Model holds knife edge; No adjustment needed.
 B: Model rolls in direction of rudder; Reduce dihedral.
 C: Model rolls opposite direction of rudder; Add dihedral.

   Elevator alignment with independent halves: Fly model per test 6 and pull into a loop. Roll inverted and push into an outside loop.
 A: No roll tendency when elevator applied; No adjustment needed.
 B: Model rolls same in both tests; Elevator halves misaligned. Raise one half or lower the other according to roll.
 C: Model rolls opposite in both tests; One elevator half has more throw than the other. Model rolls direction of more throw.

   Pitching and knife edge: Fly per test 10.
 A: No pitch up or down; No adjustment.
 B: Nose pitches up;
    1) Move C. G. aft.
    2) Increase wing incidence.
    3) Add down trim to ailerons.
 C: Nose pitches down; Reverse above.