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O.S. - OSMG0580 OSM19120 19120 531028019898 4531028019898
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O.S. 95AX Ringed w/Muffler
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O.S. 95AX Ringed w/Muffler
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Instruction Manuals: Manual 1 (3.5 MB)
Tower Catalog Page: 173

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Tech Notes
This is the O.S. Max 95 AX ABL Aircraft Engine with Muffler.


Same mounting dimensions as the O.S. Max .75FX
Power Box muffler design provides more volume for increased power in
a very compact shape
Angular head design offers increased surface area for better cooling
Ball bearing-supported crankshaft
61C carburetor with diagonally placed needle valve eliminating
remote needle valve placement
Two year limited warranty


O.S. Max 95 AX ABL Aircraft Engine with E4040 muffler, carburetor,
#8 glow plug, needle valve extension illustrated instruction


Aircraft blend fuel containing 5%-20% Nitromethane with at least 18%
Propeller: 14x8, 15x6-8, 16x6-8
Glow starter and field equipment


Displacement: 0.949 cu in (15.55cc)
Bore: 1.091" (27.7mm)
Stroke: 1.016" (25.8mm)
Practical RPM: 2,000-16,000 RPM
Power Output: 2.9 PS, 2.86 HP/15,000 RPM
Weight: Engine, 20oz (567g)
Muffler, 6.28oz (178g)
Recommended Props: 14x8, 15x6-8, 16x6-8
Crankshaft thread size: 5/16-24
Distance from center of engine to drive hub: 2.6" (66.6mm)
Height from crankcase bottom to top of cylinder head: 4" (102mm)
Height/crankshaft center to top of cylinder head: 3.2" (81.3mm)
Width including mounting tabs: 2.4" (61mm)
Width below mounting tabs: 1.7" (42.6mm)
Width between mounting holes same side: 0.98" (25mm)
Width between mounting holes opposite side: 2" (52mm)
Diameter of muffler body: 1.8" (45mm)
Distance from Center of Engine to Exhaust Outlet: 4.4" (112mm)
Angle of muffler in relation to engine: 4

High Speed Needle: 1.5 - 2 turns out from fully closed
Low Speed Needle: 2mm gap between the needle and spray bar at full
throttle (looking down the neck of the carb)

jxs 6/23/09

– 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
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Accessories Needed
This is the O.S. 95AX Airplane Engine with Muffler. FEATURES: Ideal for aerobats and large-scale models, balanced crankshaft, E- 4040 Power Box muffler, 61C carb, same mounting pattern as the 75AX #8 glow plug, instruction manual, needle valve extension REQUIRES: 5-20% nitro fuel, propeller, field equipment

Accessories for the O.S. 95AX Ringed w/Muffler

Primary Accessories   Building & Field Equipment Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
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 LXVY89 Hobbico Glow Starter C Cell Alkaline
Qty Discount Available
6.99   In Stock
 LXHY37 Top Flite 14x8 Power Point Propeller
Qty Discount Available
6.49   In Stock
 LXRXC4 Tower Hobbies TOWER Power 10% Airplane Fuel Quart
Qty Discount Available
9.19   In Stock
Subtotal for this Group of Accessories: 22.67  
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Primary Accessories   Building & Field Equipment Optional Accessories

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