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O.S. - OSMG1320 OSM36410 36410 531028002418 4531028002418
Manufacturer Stock#
36410
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O.S. FF-320 Pegasus 4-Cylinder Ringed 4-Stroke
 
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O.S. FF-320 Pegasus 4-Cylinder Ringed 4-Stroke
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Instruction Manuals: Manual 1 (1.5 MB)
Tower Catalog Page: 169

Stock Number
LXBY71
Retail Price
2999.99
Tower's Low Price
$1649.99
Stock Status
(Estimated)
Late Nov

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Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
Power your prized Giant scale plane with an O.S. Multi-Cylinder 4-Stroke
Engine. The O.S. FF-320 (Nicknamed "Pegasus") is a Flat-Four Cylinder Engine.
It is the ultimate in scale realism: abundant power, realistic noise levels,
and scale appearance. This engine is covered by a 2-Year Warranty.

FEATURES

Pushrod-Driven Overhead Valves
Ringed Pistons
Gear-Driven Camshaft
5 -Crankshaft Ball Bearings
2 -Camshaft Ball Bearings
Four Cylinders (flat, 2 opposing 2) Firing Order: 1-3-2-4

INCLUDES

One Assembled FF-320 4-stroke Engine
One Set of Instructions, Decals, and Poster
One Choke Valve
Four Glow Plugs (OSMG2692)
One Motor Mount (OSMG2804)
One Safety Prop Nut Assembly
One Glow Plug Extension Harness
One Spare Woodruff Key

SPECIFICATIONS

Construction: All aluminum and Aluminum alloys
Displacement: 13.26 cc (x4) (.809 cu in x4)
Bore: 27.7mm (1.091")
Stroke: 22.0mm (.866")
Power Output: 4.1 BHP at 8,000 RPM
Weight: 2,190g (77.3oz) w/mount
Practical RPM Range: 1,800 - 8,500 RPM
Length: 181.5mm (7.15") from back of mount to front of drive washer
Width: 196mm (7.72")
Height: 80mm (3.15") from top of mount to bottom of mount.
the carb extends 30-40mm farther down.
Distance from front-most edge of front header to drive washer: 36mm
Crankshaft Thread size: 5/16-24
Suggested Props: 18x10, 18x11, 18x12, 18x13, 18x14, 20x8, 20x9,
20x10, 22x8
Needle Settings: High Speed: 3-3.5 turns out from fully closed
Mixture Control (low speed): Turn counter-clockwise
until it stops, then 2 turns out

REQUIREMENTS

2-STROKE Fuel with 5%-15% nitromethane and 16% MINIMUM oil content.
(All 5%-15% fuels we carry meet these requirements)
DO NOT USE 4-STROKE FUELS!!)
JBN 7.27.93
These items are no longer included: ir/jl
NEEDLE VALVE EXT CABLE, CHOKE VALVE ROD updt lmm 4/6/09
(3) ALLEN KEYS 2.0,2.5,3.0-SCREW DRIVER
FOR MIX CNTRL, PROP WASHER,5 WRENCHES
** Please check the ACG for these part numbers***

– If you need more information, use these O.S. resources –
Click Here: Manufacturer's Product Web Page
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822

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Accessories Needed
 
COMPLETION NOTES FROM THE TECH DEPARTMENT
THIS IS AN R/C AIRPLANE ENGINE. STARTING EQUIPMENT IS IN AIRPLANE KIT ACG. COMES WITH ENGINE MOUNT AND GLOW PLUGS. MUST USE FUELS WITH 5%-15% NITROMETHANE AND 16% MINIMUM LUBRICANT CONTENT (DO NOT USE 4-STROKE FUELS). USE LARGE FUEL TUBING (#AERQ2010).

Accessories for the O.S. FF-320 Pegasus 4-Cylinder Ringed 4-Stroke

Primary Accessories   Building & Field Equipment Optional Accessories
 
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
Status
 LXA309 Wildcat 2/4-Stroke 15% Fuel Gallon (4)
Add to Wish List
92.99   In Stock
Limited Quantities
 LXD744 Dubro In-Line Fuel Filter Large Scale
Qty Discount Available
2.79   In Stock
 LXCF23 O.S. Choke Valve 120-300
Add to Wish List
21.99   In Stock
Limited Quantities
 LXCR79 O.S. Needle Ext Cable FR5 300
Qty Discount Available
4.49   In Stock
 LXCX20 O.S. Long Socket Wrench With Plug Grip
Qty Discount Available
11.99   In Stock
 LXLG61 Zinger 18x10 Wood Propeller
Qty Discount Available
15.89   In Stock
Subtotal for this Group of Accessories: 150.14  
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Primary Accessories   Building & Field Equipment Optional Accessories

 
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