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  F G - 1 4 B / F G - 2 0   D I M E N S I O N S   A N D   S P E C I F I C A T I O N S

F G 1 4 B / F G - 2 0   D I M E N S I O N S   A N D   S P E C I F I C A T I O N S  

29

SPECiFiCaTiOnS

Disp: 20.52cc (1.25 cu in)

Bore: 31.7mm (1.24 in)

Stroke: 26mm (1.02 in)

Weight: (Engine only); 21.9 oz (620 g)

Weight: (Muffler only): 2.9 oz (80 g)

Weight: (Ignition only); 5.2 oz (146 g)

Total  weight with muffler and ignition system: 

30.1 oz (850 g)

Crankshaft: M8x1.25

Cylinder: AAC

Fuel Efficiency: 15cc/minute

Propeller Size:  Dia. 15-16 x Pitch 6-8,  

Dia. 17 x Pitch 6

Benchmark Propeller:  APC 16 x 6 @ 

8,900 rpm

Practical Ground RPM Range:  1,700–9,500

Fuel consumption will depend on the load 

of the propeller. During actual flight, fuel 

consumption increases slightly.

Electrical usage of ignition system: 

Approximately 200mAh for 15 minutes.

Fuel:  Gasoline-Oil mix of 20:1 (20:1 is 

recommended for break-in and 

continuous operation).

Oil:   The use of only 100% synthetic oil is 

recoommended such as our Evolution

®

 Oil 

(EVOX1001Q)

SPECiFiCaTiOnS

Disp: 13.8cc (.82 cu in)

Bore: 29.0mm (1.14 in)

Stroke: 20.4mm (.80 in)

Weight: (Engine only); 18.6 oz (528 g)

Weight: (Muffler only): 2.1 oz (58 g)

Weight: (Ignition only); 5.2 oz (146 g)

Total  weight with muffler and ignition system: 

25.8 oz (732 g)

Crankshaft: M7x1

Cylinder: AAC

Fuel Efficiency: 8cc/minute

Propeller Size:  Dia. 13-14 x Pitch 6-8,  

Dia. 15 x Pitch 4W

Benchmark Propeller:  APC 14 x 6 @ 

9,300 rpm

Practical Ground RPM Range:  1,700–9,500

Fuel consumption will depend on the load 

of the propeller. During actual flight, fuel 

consumption increases slightly.

Electrical usage of ignition system: 

Approximately 200mAh for 15 minutes.

Fuel:  Gasoline-Oil mix of 20:1 (20:1 is 

recommended for break-in and 

continuous operation).

Oil:   The use of only 100% synthetic oil is 

recommended such as our Evolution

®

 Oil 

(EVOX1001Q)

FG-14B Outside Dimensions (mm)

FG-20 Outside Dimensions (mm)

FG-14B Dimensions and Specifications

FG-20 Dimensions and Specifications

Содержание FG-14B

Страница 1: ...l aircraft In case of modifications by the customer Horizon Hobby Inc shall not bear any responsibility from any damage caused by such modification Keep the ignition system well maintained 2010 Distri...

Страница 2: ...19 Carburetor 19 Preparation Before Starting the Engine 20 Starting the Engine 21 Adjustment of the Carburetor 23 VERY IMPORTANT Failure to read and follow these instructions before you proceed to st...

Страница 3: ...flat surface free of stones or other debris When mixing fuel or operating the engine do so in a well ventilated area Contents Included FG 14B Engine Muffler SAIG1474 Ignition SAIG14153 Muffler Manifo...

Страница 4: ...le linkage to the engine using a ball link on the carburetor throttle arm Make sure the linkage is free to operate from low throttle to high throttle Also confirm that the low throttle setting on the...

Страница 5: ...need for sending your engine in for service as the exhaust valve begins to stick and not seal properly The high quality Evolution oil we recommend using will still build up a slight amount of carbon...

Страница 6: ...ed correctly and securely Make sure the fuel line is connected securely to the carburetor For break in use a fuel oil mix ratio of 20 1 FG 14B Mount a 14 x 6 plastic or wood propeller Be sure it has b...

Страница 7: ...he crankshaft Understanding the Saito Gas Carb for the FG 14B and FG 20 To best understand the FG 14B and FG 20 carburetor you need to know what it is not It is not a Walbro carburetor It is not a glo...

Страница 8: ...20 are different to please consult the appropriate section of the manual 1 With the engine running and the high speed needle valve set as above adjust your throttle setting to achieve the desired idle...

Страница 9: ...s the area of the inlet area to provide adequate cooling Throttle Linkage Carefully attach the throttle linkage to the engine using a ball link on the carburetor throttle arm Make sure the linkage is...

Страница 10: ...p of a gummy type residue on the exhaust valve in a 4 stroke gas engine and this potentially leads to the need for sending your engine in for service as the exhaust valve begins to stick and not seal...

Страница 11: ...the engine as you normally would a 2 stroke engine When you are ready to start the engine switch the ignition on and set the throttle to a slightly high idle speed We highly recommend the use of an e...

Страница 12: ...s correctly set it at full speed If the revolutions do not drop the engine has been adjusted successfully If the revolutions seem to drop open the high speed needle by about 5 to 10 minutes CAUTION Th...

Страница 13: ...e engine fail to start after these items are verified refer to the Troubleshooting Guide General Operating Procedures to ensure the long life of the engine Do not operate the engine with a lean mixtur...

Страница 14: ...m Max Screw How to Adjust Remove the plug and the rocker arm cover and revolve the propeller slowly clockwise by hand The intake side rocker arm stops and by turning it the piston reaches the compress...

Страница 15: ...s operation Oil The use of only 100 synthetic oil is recoommended such as our Evolution Oil EVOX1001Q SPECIFICATIONS Disp 13 8cc 82 cu in Bore 29 0mm 1 14 in Stroke 20 4mm 80 in Weight Engine only 18...

Страница 16: ...8 Tappet 2 39 Pushrod 2 40 Pushrod Cover and Rubber Seal 40 1 40 2 40 3 2ea 41 Rocker Arm 2 DESCRIPTION QTY 42 Rocker Arm Screw and Nut 42 1 42 2 2ea 43 Rocker Arm Pin 2 44 Rocker Arm Bracket Left 1 4...

Страница 17: ...peration Oil The use of only 100 synthetic oil is recommended such as our Evolution Oil EVOX1001Q SPECIFICATIONS Disp 29 1cc 1 80 cu in Bore 36 0mm 1 41 in Stroke 28 6mm 1 12 in Weight Engine only 37...

Страница 18: ...0 2 40 3 2ea 41 Rocker Arm 2 Description QTY 42 Rocker Arm Screw and Nut 42 1 42 2 2ea 43 Rocker Arm Pin 2 44 Rocker Arm Bracket Left 1 45 Rocker Arm Bracket Right 1 46 Valve In and Out 46 1 46 2 2 47...

Страница 19: ...m Bracket Left 120S44 120S44 45 Rocker Arm Braket Right 120S45 120S45 Description FG 14B FG 20 FG 30 FG 36 46 Valve In Out pr 91S46 125A46 120S46 G3646 47 Valve Spring Keeper Retainer 2 set 6547 6547...

Страница 20: ...epair or ii replace any Product determined by Horizon to be defective In the event of a defect these are the Purchaser s exclusive remedies Horizon reserves the right to inspect any and all equipment...

Страница 21: ...you may need any assistance For questions or assistance please direct your email to productsupport horizonhobby com or call 877 504 0233 toll free to speak to a Product Support representative Inspect...

Страница 22: ...___________________________________________________________ City State Zip_ _ ________________________________________________________________________ Please cut on dotted line Consumer Warranty and R...

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