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Attaching the Propeller and Spinner

Remove the prop nut and prop washer from the engine. 
Install the spinner back plate. Install the propeller, the 
prop washer and then the prop nut in that order (see 
photo). Securely tighten the prop nut using a wrench. 
Install the spinner cone.

Starting the Evolution Engine

Fuel

We recommend using high quality Cool Power Omega, 
Hangar 9

®

 AeroBlend

 or Power Master fuels containing 

10 to 15% Nitro. The Evolution engine has been test 
run using these fuels. If another brand of fuel is used, it 
may be necessary to slightly adjust the needle valves to 
compensate for the differences in fuel.

Glow Plug

The Evolution engine comes with a specially designed 
“Super Plug” that prevents idle and transition flameouts. 
The plug’s unique shape directs incoming fuel/air mixture 
away from the plug element. When replacing the plug, 
be sure to replace it with another Evolution 2- or 4-cycle  
Super Plug (EVO6P1).

Starting the Engine

Step 1.

   Fill the tank with the above-mentioned 10 or  

15% fuel.

Step 2.

   Reattach the fuel lines, making sure the vent 

and clunk line are attached to the fuel nipple 
and the muffler pressure nipple.

 

Caution:

 Do not attach the glow driver yet.

Step 3.

   With the throttle fully open, place your thumb 

over the carburetor and flip the prop clockwise 
through 6 complete revolutions, thus priming the 
engine.

Step 4.

   Close the throttle to the idle position and have a 

helper hold your airplane.

5

Select a servo arm that has a hole located 11mm or 
7/16" out from center and attach the other end of the 
throttle linkage. (see photos below)

With low throttle and mid-trim (idle position), the throttle 
barrel should be open 1mm, giving a low rpm idle (see 
photo above). Adjust the length of the pushrod until the 
throttle barrel is exactly 1mm open. Check to be sure 
the servo is moving in the correct direction. Full throttle 
should open the throttle barrel fully, while low throttle 
and low-trim should completely close the throttle barrel. 
Reverse the servo throw if necessary.

   

 Note: 

It may be necessary to slightly adjust 

the length of the throttle pushrod to achieve 
the correct mid-trim, low-stick idle position.

Attaching the Fuel Lines

Using medium silicone fuel tubing, attach the fuel tank’s 
clunk line to the fuel nipple. This line will supply fuel to 
the engine. Attach the vent line to the muffler pressure 
nipple. This line pressurizes the fuel tank with the muffler 
pressure, creating consistent fuel flow, regardless of the 
airplane’s attitude.

Recommended propellers:

Break in

  11 x 7

Sport  

  11 x 7,  11 x 8 
  12 x 6,  12 x 7
  13 x 6,  13 x 7

4

The Hangar 9 START KIT (HANSTART) includes everything needed, 

except fuel and starter, to get the Evolution engine running.

At low throttle, mid-trim, the throttle barrel should be 1mm open.

1mm

1/2 throttle

Linkage 11mm out

Vent Line

Fuel Line

Fuel Line

Vent Line

Securely tighten the prop nut using a wrench.

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