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OSMFSA72II

OS FSa-72II 4-Stroke /F-5030 Silencer

Product Info
OS ENGINES

OSMFSA72II
OS FSa-72II 4-Stroke /F-5030 Silencer
By OS ENGINES
$639.99 CAD    
Order Quantity:  
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$639.99
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StockStock availability for pick up
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$639.99
Warehouse ?
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$639.99
Store - Stratford ?
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$639.99
Store - Edmonton ?
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$639.99
Store - Mississauga ?
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$639.99
Store - Ottawa ?
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$639.99
Store - Oshawa ?
This live feed information is to be used as a general guide to current inventory. There is no guarantee of availablility.
SPECIFICATIONS
0.719 cu in
Engine Displacement:
1.063 in
Bore:
0.811 in
Stroke:
2400 - 12500 RPM
RPM Range:
16.79 oz
Engine Weight:
1.9 oz
Muffler Weight:
1.2PS/12,000 RPM, 1.18HP/12,000 RPM
Claimed Power Output:
Propeller: Sport & Aerobatic 12x7-8, 13x6-8
Scale 14x6-7
Prop Range:

FEATURES
  • New upgrades make the popular FS72-a an even better engine option!
  • Blow-by oil exits through the breather nipple on the back plate, for more stable operation
  • Black rocker covers gives this engine a more impressive appearance
  • The F-5030 silencer can be positioned to achieve the ideal fit
  • Mounts in the same space as the FS-72a with no modifications required

O.S. leads the way in advanced 4-stroke engine technology, and you'll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II's deep, rich sound.

click image to enlarge
ADDITIONAL PHOTOS
VENDOR TECHNOTES
       This is the O.S. Engines FSA-72II Engine with the F-5030 Silencer.      

FEATURES: Blow-by oil exits through the breather nipple on back plate for more
stable operation
Black rocker covers
61N aluminum body carburetor with rotary throttle lever, high speed
needle valve, and low speed mixture control, extended intake tube
eliminates reverse flow tendency of air/fuel mixture, carb is
reversible 180
Adjustable F-5030 muffler for quiet operation can be rotated 360
for tight fitting applications
Two-year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES: O.S. Engines FSA-72II Engine, F-5030 Silencer, Type F Glow Plug and
Manual

REQUIRES: Fuel: 10%-20% nitromethane with 18% lubricant. Synthetic, castor, or
a synthetic/castor lubricant blend may be used.
NOTE: Certain four-cycle fuels cannot be used due to low oil content
However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15%
(CATP9109) may be used due to its 18% oil content.
When choosing fuels for this engine, be sure to select a fuel with
at least an 18% lubricant content.
Propeller: Sport & Aerobatic 12x7-8, 13x6-8
Scale 14x6-7

SPECS: Displacement: 0.719 cu in (11.79cc)
Bore: 1.063" (20.7mm)
Stroke: 0.811" (20.6mm)
Max Power: 1.2PS/12,000 RPM, 1.18HP/12,000 RPM
Engine Weight: 16.79oz (476g)
Silencer Weight: 1.9oz (54g)
Practical RPM: 2,400 - 12,500
Crankshaft Thread Size: 1/4 x 28
Height from Bottom of Mounting Tab/Top of Rocker Cover: 3.5" (90mm)
Height bottom of Crankcase/top of Rocker Cover: 4.2" (108mm)
Width of Crankcase below Mounting Tabs: 1.4" (36mm)
Distance from Drive Washer to Rear of Carburetor: 4.1" (103.6mm)
Center of Mounting Holes Same Side: 0.79" (20mm)
Center of Mounting Holes Opposite Side: 1.8" (45mm)
Center of Front Mounting Hole to Drive Washer: 1.9" (49.5mm)
Center of Rear Mounting Hole to Drive Washer: 2.7" (69.5mm)
Center of Crankcase to Center of Needle Assembly: 1.3" (33.7mm)
Muffler Angle in Relation to Engine: 11
Carburetor-
Needle Settings: High Speed: 2.5 - 3 turns out from fully closed
Mixture Control (low speed): 2 turns out from fully
closed

jxs 08/28/17
ir/jxs
4531028024304 4531028024304 
OSMG0878