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O.S. - OSMG1958 OSM15654 15654 531028021990 4531028021990
Manufacturer Stock#
15654
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O.S. 55HZ-R w/Powerboost Pipell Limited Edition Engine
 
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O.S. 55HZ-R w/Powerboost Pipell Limited Edition Engine
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Stock Number
LXBWGN
Stock Status
Discontinued
Possible Substitutions
 
 
 

Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
This is the Limited Edition OS 55HZ-R DRS Ringed Helicopter Engine
with the PowerBoost Pipe.

FEATURES

Mounting position of DRS is perfectly in line with the carb for
consistent operation in all attitudes of flight
Same mounting bolt pattern as the OS 50SX-H Hyper
Dual needle 40L-R carburetor allows independent adjustment of idling,
hovering and high speed with four arm throttle lever for use with
a variety of servo brands
HZ Hyper low profile six fin cylinder head
PowerBoost pipe offers excellent performance from high RPM
manuevers to idling and hovering, polished natural finish aluminum
construction
Two year limited warranty through Hobby Services beginning at the
date of purchase

INCLUDES

OS 55HZ-R DRS Ringed Helicopter Engine, #8 Glow Plug, Check Valve,
PowerBoost Pipe with Pressure Nipple, Mounting Hardware, Exhaust
Tube and Instruction Manual

REQUIREMENTS

10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix)
Fuel filter and starting equipment

SPECIFICATIONS

Engine;
Displacement: 0.55 cu in (8.93cc)
Bore: 0.91" (23mm)
Stroke: 0.85" (23.5mm)
Practical RPM: 2,000-20,000 RPM
Output: 2.1 PS, 2.07 HP
Weight: 15.1oz (429g)
Carburetor Settings:
High Speed Needle Valve, Approximately two turns open from fully
closed position
Idle Mixture Control Screw, Factory set at center, turn right to
richen or left to lean mixture
Medium Speed Needle Valve, One turn open from fully closed, adjust
only after setting high speed needle and idle mixture screw, do
not turn more than 90 right or left
Powerboost Pipe II Specs,
Length: 10.4" (264mm)
Diameter: 1.8" (45mm) at engine attachment point
Distance Between Mounting Hole Centers: 1.5" (37.5mm)
Engine Dimensions,
Distance/top of cylinder head-bottom of mounting tabs: 2.8" (72.6mm)
Distance between mounting holes same side: 0.68" (17.5mm)
Distance between mounting holes opposite side: 1.73" (44mm)
Distance between muffler mounting holes: 1.4" (37mm)
Cylinder Head Diameter: 1.8" (47mm)
Distance/bottom of crankcase to top of cylinder head: 3.6" (90.9mm)
Distance from center of engine to front bearing: 2.03" (51.6mm)
Distance from center of engine to end of Crankshaft: 3.2" (82.6mm)
Distance from center of engine to backplate bolt: 0.98" (25mm)
Distance from center of engine to throttle lever: 1.5" (38mm)

jxs 12/23/10
ir/jxs

– If you need more information, use these O.S. resources –
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 the OS 55HZ-R Ringed Helicopter Engine with PowerBoost Pipe FEATURES: Natural finish polished aluminum pipe, engine finished in black w/ red cylinder head, DRS system delivers fuel under constant pressure REQUIRES: 10% to 30% nitro fuel with at least 18% lubricant (Heli Mix), fuel filter and field equipment

Accessories for the O.S. 55HZ-R w/Powerboost Pipell Limited Edition Engine

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
 LXUM80 Duratrax Glow Starter C Battery
Qty Discount Available
7.99   In Stock
 LXCMDL Fuji Batteries C Alkaline Battery (2)
Qty Discount Available
2.69   In Stock
 LXK129 Great Planes Silicone Fuel Tubing Standard 3'
Qty Discount Available
2.99   In Stock
 LXK134 Great Planes Ultra Precision Fuel Filter
Qty Discount Available
3.79   In Stock
Subtotal for this Group of Accessories: 17.46  
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Primary Accessories   Building & Field Equipment Optional Accessories

 
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