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OSMFS155AP

OS FS-155A-P 4-Cycle Engine w/Muffler

Product Info | Replacement Parts | Optional Items
OS ENGINES

OSMFS155AP
OS FS-155A-P 4-Cycle Engine w/Muffler
By OS ENGINES
$679.99 CAD    
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SPECIFICATIONS
1.323 in
Bore:
1.126 in
Stroke:
2,000 - 10,000 RPM
RPM Range:
28.4 oz
Engine Weight:
1.548 cu in
Engine Displacement:
2.6 hp
Claimed Output:
3.35 oz
Muffler Weight:

FEATURES
  • The same 2.6 horsepower as many 200-size power plants — with the dimensions and weight of a 120-size engine.
  • Offers a broad power band to suit a variety of models.
  • Because it's a pumped 4-stroke, you'll enjoy plentiful power regardless of tank position, attitude or fuel level
  • Instead of oil venting through the crankcase, it's re-circulated to lubricate working parts — reducing friction and wear as well as cowl cleanup.

O.S. is legendary for four-stroke superiority, tuneability, performance, technology and ease of operation. Here is another fabulous large displacement any place you can enjoy more power without the increase in size. It's easy to retrofit the 155FS-a in your giant-scale aircraft - and enjoy consistent, 200-size power now and less cleanup in the long run! The 155FS-a is a single cylinder overhead valve four cycle engine equipped with a fuel pump system. The PD-08 pump is designed for bigger models. With the 70R carburetor integrated with the pump, it ensures stable fuel delivery at all times.





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ADDITIONAL PHOTOS
   
PRODUCT RESOURCES
VENDOR TECHNOTES
  This is the FS155-a P Four Cycle Engine with Pump System from O.S. Engines.  

FEATURES: Ideal for 120 size scale and sport models and aerobatic models
requiring stable power and linear throttle response
PD-08 pump and 70R carburetor integrated with regulator ensures
stable fuel delivery regardless of model attitude and fuel level
F-6020 three piece design muffler with center heatsink
New internal lubricating system eliminates breather tubing from the
crankcase
Two year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES: FS155-a P Four Cycle Engine with PD-08 Pump System, 70R Carburetor
F-6020 Muffler, Header Pipe, type F Glow Plug, Needle Valve
Extension Cable, Instruction Manual

REQUIRES: Fuel: Glow fuel with 5-20% nitro content and no less than 18%
lubricant content
Propeller: 16x8-12 or 17x8-12
Glow Starter
Field equipment

SPECS: Displacement: 1.548 cu in (25.36cc)
Bore: 1.323" (33.6mm)
Stroke: 1.126" (28.6mm)
Practical RPM: 2,000 - 10,000 RPM
Power Output: 2.6 PS, 2.56 HP @ 10,000 RPM
Engine Weight: 28.40 oz (805g)
Muffler Weight: 3.35oz (95g)
Carburetor Settings-
Needle Valve: 2-1/2 - 3 turns from fully closed
Mixture Control Valve: Factory set, make only small adjustments if
needed, after adjusting needle valve as described in manual, turn
30 to lean idle mixture or 90 counterclockwise to richen mixture
then back again 45 clockwise

Width at Mounting Tabs: 2.6" 67mm)
Crankcase Width below Mounting Tabs: 1.8" (47mm)
Length from Drive Washer to rear of Carburetor: 5" (127.5mm)
Height from Mounting Tab to Pushrod Cover: 4.5" (114mm)
Height from bottom of Crankcase to Pushrod Cover: 5.4" (138.6mm)
Distance between Mounting Hole Centers Same Side: 0.98" (25mm)
Distance between Mounting Hole Centers Opposite Side: 2.3" (58mm)
Distance/front Mounting Hole Center to Drive Washer: 2.5" (64.5mm)
Distance/ Center of Engine to Drive Washer: 3.03" (77mm)
Crankshaft Size: 5/16-24

jxs 02/15/11
ir/jxs
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