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FA-220A AAC Golden Knight with Muffler:AE
  • Overview
  • Specs
  • Reviews
  • Parts & Accessories
  • Manuals & Support

Key Features

  • Baked on, gloss-black finish with shiny gold valve covers
  • Swings a 20 X 8 prop with ease
  • Packs a full two inches of combustion into a case barely bigger than most 1.80-size engines
  • Legendary Saito 4-stroke superiority

Needed To Complete

Propeller: 19 x 8

Overview

Saito takes power-to-weight superiority to new heights with the FA-220—its biggest single-cylinder ever. Packing a whopping 2.2 cubic inches into slightly larger than a 1.80-size case, the FA-220 will give medium to large-scale aerobats like Hangar 9's 27% Extra 260 out-of-sight unlimited performance. And besides the usual Saito benefits like canted valves for better mixture flow and that oh, so satisfying 4-stroke sound, the FA-220 has an optional fuel pump as well as a sleek new head design that improves airflow around the cooling fins. Not to mention, everyone loves the Black and Gold styling of the Golden Knight version.

Benchmark Prop: 18x8 APC @ 9200,18x8 APC @ 9200
Bore: 1.49 in (38.00mm),1.49 in (38.00mm)
Carb Type: Barrel - 2-needle valve
Crank Type: Ball bearing
Crankshaft Threads: M8 x 1.25 mm
Cylinder Type: AAC
Cylinders: Single
Displacement: 2.20 cu. in. (36.30 cc)
Engine (Only) Weight: 1049 g (37.0 oz),1049 g (37.0 oz)
Mounting Dimensions: 194 x 75 x 158mm
Muffler Type: Cast
Muffler Weight: 100 g (3.5 oz)
RPM Range: 1900 to 10000 rpm
Recommended Fuel: Glow
Stroke: 1.26 in (32.00mm),1.26 in (32.00mm)
Total Weight: 1149 g (40.5 oz),1149 g (40.5 oz)

Parts Listing

$22.99  $20.69
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$42.31  $36.79
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$4.49
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$2.99
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$76.99  $61.59
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$3.39
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$6.99
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$70.94  $61.69
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$9.99
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$45.99  $39.09
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$10.19  $9.68
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$3.49
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Cylinder,Left:AE SAI220AGK01
$248.00  $198.40
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$6.99
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$12.99  $12.34
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Crankcase:AE SAI220AGK15
$168.58  $146.59
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$16.39  $15.57
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$161.56  $140.49
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Rear Cover(A):AE SAI220AGK17
$35.87  $31.19
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$45.07  $39.19
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$27.59  $24.83
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$35.69  $32.12
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$61.99  $49.59
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$19.09  $18.14
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$57.99  $49.29
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$5.99
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$34.49  $31.04
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$2.35
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$41.49  $35.27
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$24.95  $22.46
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$6.19
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$7.29
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$2.99
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$8.59
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$29.39  $26.45
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$19.49  $18.52
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$15.59  $14.81
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$39.99
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$14.29  $13.58
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$18.19  $17.28
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$14.89  $14.15
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Optional Accessories

$25.99  $23.39
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Manuals

FAQs

Product Support Tips

Early testing of the Saito FA-220 single cylinder


Recently we have been testing the newly introduced Saito 220 in various different airplanes. The models are from Horizon Hobby’s 27% scale category, which are commonly powered by the 50cc gas engines that are currently popular.

A Saito FA-220 has a displacement of 2.2 cubic inches, is a “four stroke” engine, single cylinder and might be referred to as a “thumper” (large single) in motorcycle terminology! The construction and quality are perhaps the best of all Saito engines to date. It is pretty obvious that the factory is very proud of this engine and I might interject that it deserves this credibility.

The Saito does benefit from a bit of break in time before first flights. The needle valve settings are easier to establish and the idle improves. During bench testing/running I noticed that the engine can be made to idle at very low speeds from 1400 to 1600 rpm. The idle has a bit of “lope” to it giving you a hint of the power it makes. This was pretty surprising as 1800 rpm is slow enough for most 15-pound models to land easily. As is normal first flights should be done with the high end needle setting about ¼ to ½ turn off of the peak setting. You will note that this engine tends to “unload” in the air with full throttle settings. This is not normally characteristic of other 4 strokes.

With 20x8 sized propellers the engine rpm will be around 7400 to 7600. This is using 15% nitro in your fuel. After the engine is broken in you may want to try 30% nitro fuel but with the power available from 15% I have not found any need for the more expensive fuel. I have also used the 20x6 Zinger Pro propeller with good results however engine rpm may be high enough to cause a characteristic propeller “rip” in the air at full throttle. The correct propeller will probably be different for your model. This Saito is “happy” using a wide variety of propeller diameters and pitches so you may want to experiment with some different sizes of props for your specific model. My recent testing indicates that props giving ground rpm of 7600 to 8000 rpm produce the highest performance in the air.

Testing has been accomplished in cold, near freezing, weather and now with warmer temps in the high 70s to low 80s. It was immediately obvious that the engine was much easier to operate in warm weather. I have not noticed any tendency to run hot inside the cowls of the models we have used. The power and idle continue to improve as the engine gets additional run time. In every condition the engine runs normally with no bad characteristics or surprises. It just runs easier in warm weather. One note of importance that came from the cold weather testing is the need to use a quality "red" thread locking compound on the exhaust manifold and muffler installation, we recommend Pacer Products Z-71, Horizon Hobby pn PAAPT71.

One note that I have adhered to, especially in cold weather, is that you should always use a helper to hold the model. Before starting the engine carefully check the position of the transmitter throttle stick and make sure the radio switches are in the “on” position. It is a) unreasonable to think that you can safely reach around the 20+ inch propellers this engine uses and b) flip starting is not recommended as the compression of this engine can produce a considerable “snap back” when flipped in the “normal” direction. Flipping backwards will produce a clean start but even so I would instead recommend a heavy-duty starter to spin the prop. Additionally, when the engine runs at full throttle it develops a lot of thrust, probably more than most people want to hold onto with one hand! Use that helper to keep the model where it belongs.

When I am flying this engine the speed of the aircraft is generally fast using full throttle in level flight. Subsequently, throttle management becomes important, which is common with models of this size and power. Full throttle operation results in fuel consumption of 2 oz per minute (during break in fuel consumption was 2.25 to 2.5 oz per minute). Actual flight testing results in a slightly lower rate at about 1.75 to 1.8 oz per minute depending of course on your throttle management doing those wild maneuvers common to these great aerobatic models. Vertical performance with a 15 lb model is very impressive. Hovers and Harriers have plenty of reserve power. Let’s not be fooled, this is not your grandmas 4 stroke! This thing is a big single and it makes a lot of power.

All of my outdoor flight-testing to this point has been pretty subjective but the operation of the Saito is normal and doesn’t give you any surprises. The model must be constructed well to handle the power available. A familiar four- stroke “song” is always a nice feature of all Saito engines and this one gives you the same satisfaction, just with a major baritone voice!

I think you will have a lot of fun with the Saito FA-220 and of course there will be a lot of prying eyes wanting to get a look at it but there wont be much chance at the flying field to have time to take that cowl off your model because you are going to be spending your time flying it!

JEB

Warranty Period:

What this Warranty Covers:
Horizon Hobby, Inc., (Horizon) warrants to the original purchaser that the product purchased (the "Product") will be free from defects in materials and workmanship for a period of 3 years from the date of purchase.

 

Limited Warranty:

What is Not Covered:
This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or due to improper use, installation, operation or maintenance, (iii) modification of or to any part of the Product, (iv) attempted service by anyone other than a Horizon Hobby authorized service center, or (v) Products not purchased from an authorized Horizon dealer.

OTHER THAN THE EXPRESS WARRANTY ABOVE, HORIZON MAKES NO OTHER WARRANTY OR REPRESENTATION, AND HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S INTENDED USE.

Purchaser’s Remedy:
Horizon’s sole obligation and purchaser’s sole and exclusive remedy shall be that Horizon will, at its option, either (i) service, or (ii) replace, any Product determined by Horizon to be defective. Horizon reserves the right to inspect any and all Product(s) involved in a warranty claim. Service or replacement decisions are at the sole discretion of Horizon. Proof of purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY.

Limitation of Liability:
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY, REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF HORIZON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the liability of Horizon exceed the individual price of the Product on which liability is asserted. As Horizon has no control over use, setup, final assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability. If you as the purchaser or user are not prepared to accept the liability associated with the use of the Product, purchaser is advised to return the Product immediately in new and unused condition to the place of purchase.

Law:
These terms are governed by Illinois law (without regard to conflict of law principals). This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Horizon reserves the right to change or modify this warranty at any time without notice.


WARRANTY SERVICES

Questions, Assistance, and Services:
Your local hobby store and/or place of purchase cannot provide warranty support or service. Once assembly, setup or use of the Product has been started, you must contact your local distributor or Horizon directly. This will enable Horizon to better answer your questions and service you in the event that you may need any assistance. For questions or assistance, please
fill out our inquiry form, or call 877.504.0233 toll free to speak to a Product Support representative. You may also find information on our website at www.horizonhobby.com.  

Inspection or Services:
If this Product needs to be inspected or serviced, please use the Horizon Online Service Request submission process found on our website or call Horizon to obtain a Return Merchandise Authorization (RMA) number. Pack the Product securely using a shipping carton. Please note that original boxes may be included, but are not designed to withstand the rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance for lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted at our facility. An Online Service Request is available at https://www.horizonhobby.com under the Support tab. If you do not have internet access, please contact Horizon Product Support to obtain a RMA number along with instructions for submitting your product for service. When calling Horizon, you will be asked to provide your complete name, street address, email address and phone number where you can be reached during business hours. When sending product into Horizon, please include your RMA number, a list of the included items, and a brief summary of the problem. A copy of your original sales receipt must be included for warranty consideration. Be sure your name, address, and RMA number are clearly written on the outside of the shipping carton.

NOTICE: Do not ship LiPo batteries to Horizon. If you have any issue with a LiPo battery, please contact the appropriate Horizon Product Support office.

Warranty Requirements:
For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your Product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of Horizon.

Non-Warranty Service:
Should your service not be covered by warranty service will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50% of the retail purchase cost. By submitting the item for service you are agreeing to payment of the service without notification. Service estimates are available upon request. You must include this request with your item submitted for service. Non-warranty service estimates will be billed a minimum of ½ hour of labor. In addition you will be billed for return freight. Horizon accepts money orders and cashiers checks, as well as Visa, MasterCard, American Express, and Discover cards. By submitting any item to Horizon for service, you are agreeing to Horizon’s Terms and Conditions found on our website https://www.horizonhobby.com/Service/Request.



United States:
Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Service Center
4105 Fieldstone Road
Champaign, Illinois 61822

All other Products requiring warranty inspection or repair should be shipped to the following address:

Horizon Product Support
2904 Research Road
Champaign, Illinois 61822


Please call 877-504-0233 or fill out our inquiry form with any questions or concerns regarding this product or warranty.

Product Support