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  Electric Motors, Engines & Accessories > Engines R/C Gasoline > Engines R/C Gasoline - 3.01 & Up Bookmark this Page

O.S. - OSMG1560 OSM38608 38608 531028022416 4531028022416
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O.S. GT60 Gasoline Engine
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O.S. GT60 Gasoline Engine
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Tower Catalog Page: 199

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Late Apr

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Tech Notes
  This is the O.S. GT60 Gasoline Large Scale Airplane Engine without Muffler.

FEATURES: Linerless cylinder with the cylinder head integrated with the cylinder, this arrangement allows for extremely precise intake/ exhaust timing and very high scavenging efficiency resulting in higher output IG-02 electronic ignition system can be powered by 4-6 cell NiCd/ NiMH batteries or 2-cell LiPo batteries Custom designed Walbro carburetor mounted to rear of engine with integrated choke rod guide Two year limited warranty through Hobby Services beginning at date of purchase

INCLUDES: O.S. GT60 Gasoline Engine, IG-02 Electronic Ignition, Instruction Manual, and CM6 Spark Plug

REQUIRES: Two-Cycle Oil: Break-In, Klotz Modelube recommended, mix at 30:1 gas/oil mixture for 10 flights, 1.3 - 1.6 gallons (5-6 liters) of gas After Break-In: mix at 50:1 ratio, See COMMENTS below Propeller: 23x8 for break-in, 22x10-12, 23x8-10, 24x8-10 for Acro/Scale models Muffler: See COMMENTS below Electric starter NOTE, The propeller must be brought up to at least 100RPM in order for the electronic ignition to work Fuel: Unleaded regular gasoline (no need to use high octane)

SPECS: Displacement: 3.656 (59.91cc) Bore: 1.732" (44.0mm) Stroke: 1.551" (39.4mm) RPM Range: 1,600-8,000 RPM Output: 6.00 hp @ 7,000 RPM Weight: Engine, 49.38 oz (1400 g) Ignition module, 3.7 oz (105 g) Suggested Propeller Size and RPM Data: 22x8 7,650 RPM 22x10 6,900 RPM 23x8 7,000 RPM 24x8 6,550 RPM 24x10 6,150 RPM Carburetor Settings: Two turns out on high and low speed needles from fully closed position, then start engine and follow break-in instructions in manual

Distance/Vertical Mounting Hole Centers: 2.6" (66mm) Distance/Horizontal Mounting Hole Centers: 3.1" (78mm) Height of Mounting Tabs: 3.4" (85.6mm) Height Lower Mounting Tab/Top of Cylinder Head: 6.9" (175mm) Height Lower Mounting Tab/Crankshaft Center: 1.7" (42.8mm) Height Crankshaft Center/Top of Cylinder Head: 5.2" (132.2mm) Cylinder Head Width: 6.6" (168mm) Width at Mounting Tabs: 3.8" (97.6mm) Center of Muffler Mounting Holes: 1.6" (40mm) Distance/Crankshaft Center to Muffler Hole Center: 2.7" (69.5mm) Length from Carburetor to Backplate: 1.5" (38.8mm)

COMMENTS: If using a different brand of oil other than Klotz, OS recommends their own mix ratio which may differ from the manufacturers' For 40:1, and 50:1 oils, OS recommends a 30:1 gas/oil mixture 25:1 is 5oz of pre-mixed 2-cycle oil or 151 ml per gallon of fuel 30:1 is 4.3oz of pre-mixed 2-cycle oil or 126 ml per gallon of fuel 40:1 is 3.2oz of pre-mix 2-cycle oil or 95 ml per gallon of fuel 50:1 is 2.6oz of pre-mix 2-cycle oil or 76 mll per gallon of fuel

The following mufflers are ideal for different applications; J'TEC Large Wraparound Pitts Muffler, JTCG7950 for inverted mounting applications. Bisson Wraparound, and Inverted mufflers will also fit

jxs 10/29/12 ir/jxs

– If you need more information, use these O.S. resources –
Click Here: Manufacturer's Product Web Page
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Phone: 217-398-8970
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Accessories Needed
This is the O.S. GT60 Gasoline Large Scale Airplane Engine without Muffler. FEATURES: Linerless cylinder w/cylinder head integrated w/cylinder, IG-02 electronic ignition, rear mounted Walbro carb, CM6 Spark Plug REQUIRES: Propeller, exhaust system depending on airplane, 2-cycle oil

Accessories for the O.S. GT60 Gasoline 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
 LXRZ80 Great Planes Gasoline Fuel Tubing 3'
Qty Discount Available
4.49   In Stock
 LXS626 Klotz Gas RC Modelube 16 oz
Qty Discount Available
8.19   In Stock
 LXZHZ2 Xoar 23x8 PJA Series Beechwood Propeller
Accessories Needed Qty Discount Available
29.99   In Stock
Subtotal for this Group of Accessories: 42.67  
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Primary Accessories   Building & Field Equipment Optional Accessories

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