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O.S. - OSMG1961 OSM18750 18750 531028021884 4531028021884
Manufacturer Stock#
18750
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Accessories Needed

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O.S. 105HZ-R DRS Heli Engine
 
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O.S. 105HZ-R DRS Heli Engine
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On-line Videos: Video 1 (32.4 MB) Video 2 (YOUTUBE)
Instruction Manuals: Manual 1 (4.5 MB)
Tower Catalog Page: 168

Stock Number
LXBUUE
Retail Price
799.99
Tower's Low Price
$529.99
FREE shipping when ordering this item on our web site... click for more information
Stock Status
In Stock
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 L5BUUE02
O.S. 105HZ-R DRS Heli Engine Add to Wish List
1012.28  Buy Now 47.70  

Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
This is the 105HZ-R DRS 1.05 cu in Helicopter Engine from O.S. Engines.

FEATURES

Same mounting dimensions as a .90 cu in engine
Machined blue anodized aluminum heatsink cylinder head
Velocity stack increases airflow and enhances engine performance
Pressurized DRS (Demand Regulator System) ensures consistent fuel
flow regardless of the helicopter attitude
Backplate accepts the Futaba BPS-1 RPM sensor for the GY701 and
CGY750 gyros
Ideal bore and stroke ratio for lowest vibration
Two year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES

105HZ-R DRS 1.05 cu in Helicopter Engine with 61G Carburetor
#8 Glow Plug
Air Funnel
Check Valve
0.1mm Head Gasket
0.2mm Head Gasket (installed)
Instruction Manual

REQUIREMENTS

Fuel: Heli blend with 15% nitro content
Glow starter and field equipment

SPECIFICATIONS

Displacement: 1.048 cu in (17.17 cc)
Bore: 1.142" (29mm)
Stroke: 1.024" (26mm)
RPM Range: 2,000 - 16.500
Output: 3.7 ps @ 15,000 RPM
Weight: 21.46oz (608g)
Crankshaft Size: UNF 5/16-24
Carburetor Settings;
High Speed Needle Valve: Approx. 2-1/2 turns open from fully closed
Medium Speed Needle valve: 1 turn open from fully closed
Idle Mixture Control Screw: At basic position when engine left
factory
Distance/Center of Mounting Holes Same Side: 0.98" (25mm)
Distance/Center of Mounting Holes Opposite Side: 2.04" (52mm)
Crankcase Width Below Mounting Tabs: 1.7" (43mm)
Crankcase Width at Mounting Tabs: 2.4" (61mm)
Width from Throttle Arm to Center: 1.6" (42mm)
Height from Bottom of Mounting Tabs to Cylinder Head: 3.1" (79mm)
Height/Bottom Mounting Tabs to Muffler Mounting Holes: 1.7" (42.8mm)
Height/Bottom of Crankcase to top of Cylinder Head: 3.9" (99mm)
Length from Backplate to Front Bearing: 3.2" (82.6mm)
Length from End of Crankshaft to Center of Engine: 3.5" (88.7mm)

jxs 01/30/12
ir/jxs

– 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

Accessories for the O.S. 105HZ-R DRS Heli Engine

      Optional Accessories
 
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
Status
 LXGHB4 Cool Power 15% Heli Fuel Gallon (4)
Add to Wish List
99.99   In Stock
Limited Quantities
 LXDBPE Great Planes After Run Engine Oil 2 fl oz
Qty Discount Available
3.49   In Stock
 LXWZB5 O.S. #7 Glow Plug Medium Hot Air
Qty Discount Available
5.49   In Stock
 LXBUCJ O.S. PowerBoost Pipe 105HZ
Qty Discount Available
269.99   In Stock
 LXXF25 O.S. Bubbleless Clunk
Qty Discount Available
15.99   In Stock
 LXXF27 O.S. Super Can Filter Large
Qty Discount Available
9.49   In Stock
 LXXF06 O.S. Lock Washer 4mm
Qty Discount Available
13.49   In Stock
 LXCX20 O.S. Long Socket Wrench With Plug Grip
Qty Discount Available
11.99   In Stock
 LXJA89 Tower Hobbies TOWER Power Glow Plug
Add to Wish List
4.79   In Stock
Subtotal for this Group of Accessories: 434.71  

      Optional Accessories

 
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