O.S. Engines GT60 Airplane Engine without Muffler OSM38608

$649.99
$1,199.99
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OSM38608
O.S. Engines
UPC:
4531028022416
MPN:
OSM38608
Status:
In Stock
Availability:
USUALLY SHIPS WITHIN 24 HOURS
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$649.99
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Specifications

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Specifications

Engine Size:
.52 TO .75 - AIR
Free Shipping:
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Description

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

Features:

  • 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
  • Liner-less 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
  • Two year limited warranty through Hobby Services beginning at date of purchase

Includes:
One O.S. GT60 Gasoline Engine, IG-02 Electronic Ignition, Instruction Manual, and a 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
Propeller: 23x8 for break-in, 22x10-12, 23x8-10, 24x8-10 for Acro/Scale models
Muffler
Fuel: Unleaded regular gasoline (no need to use high octane)

Note: The propeller must be brought up to at least 100RPM in order for the electronic ignition to work

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
Engine Weight: 49.38 oz (1400 g)
Ignition Module Weight: 3.7 oz (105 g)
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)

Suggested Propeller Size and RPM Data
22x8 and 7,650 RPM
22x10 and 6,900 RPM
23x8 and 7,000 RPM
24x8 and 6,550 RPM
24x10 and 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

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