OS Max OSMG1307
$2999.99
in stock? NO
This item is on back-order. It's difficult to know when it will be available to ship.37010 FR7420 Sirius7 7Cylinder Radial 4Stroke Eng
OS Max brand O.S. Sirius7 FR7-420 7-Cylinder 4-Stroke Engine.
FEATURES:
Main internal parts such as the crankshaft, cam holder and reduction
gear are all plated to resist corrosion
V-shaped individual valve covers for vintage scale appearance
Impeller system distributes air-fuel mixture equally to each cylinder
ensuring high performance and smooth idle
Padded and lockable aluminum silver colored storage case
Two year limited warranty through Hobby Services beginning at date of
purchase
YOU WILL RECEIVE:
O.S. Sirius7 FR7-420 7-Cylinder Sirius 4-Stroke Engine, seven type F
glow plugs, valve adjusting kit, radial mount & hardware kit,
needle valve extension cable, drain plug, carburetor insert, decal,
glow plug cable set, instruction manual and aluminum case
REQUIREMENTS:
Fuel: Aircraft blend 5-10% nitro content with 8-10% lubricant
content (it is suggested to dilute commercially available 15%
nitromethane and 18% lubricant fuel with methanol half and half to
make a 7.5% nitro and 9% lubricant fuel)
Propeller: 22x10-12, 23x8-12, 24x8-12, 26x8
SPECIFICATIONS:
Displacement: 0.6071cu in x 7 (9.95cc x 7)
Bore: 0.944 (24.0mm)
Stroke: 0.866 (22.0mm)
Practical RPM: 1,500 - 7,000
Weight: 111.7 oz (3,167g)
Crankshaft Size: UNF3/8-24
Distance from Backplate to Drive Washer: 6.2 (158.5mm)
Outer Edge of Backplate to Pushrod Covers: 4.8 (122mm)
Outer Diameter: 9 (230mm)
Carburetor Settings:
Needle valve, 2-1/2 turns open from closed position
Throttle Valve, approximately 1/4 turn open from closed position,
then start engine and follow break-in instructions on pages 19-25
in manual
jxs 06/24/10
ir/jxs
FEATURES:
Main internal parts such as the crankshaft, cam holder and reduction
gear are all plated to resist corrosion
V-shaped individual valve covers for vintage scale appearance
Impeller system distributes air-fuel mixture equally to each cylinder
ensuring high performance and smooth idle
Padded and lockable aluminum silver colored storage case
Two year limited warranty through Hobby Services beginning at date of
purchase
YOU WILL RECEIVE:
O.S. Sirius7 FR7-420 7-Cylinder Sirius 4-Stroke Engine, seven type F
glow plugs, valve adjusting kit, radial mount & hardware kit,
needle valve extension cable, drain plug, carburetor insert, decal,
glow plug cable set, instruction manual and aluminum case
REQUIREMENTS:
Fuel: Aircraft blend 5-10% nitro content with 8-10% lubricant
content (it is suggested to dilute commercially available 15%
nitromethane and 18% lubricant fuel with methanol half and half to
make a 7.5% nitro and 9% lubricant fuel)
Propeller: 22x10-12, 23x8-12, 24x8-12, 26x8
SPECIFICATIONS:
Displacement: 0.6071cu in x 7 (9.95cc x 7)
Bore: 0.944 (24.0mm)
Stroke: 0.866 (22.0mm)
Practical RPM: 1,500 - 7,000
Weight: 111.7 oz (3,167g)
Crankshaft Size: UNF3/8-24
Distance from Backplate to Drive Washer: 6.2 (158.5mm)
Outer Edge of Backplate to Pushrod Covers: 4.8 (122mm)
Outer Diameter: 9 (230mm)
Carburetor Settings:
Needle valve, 2-1/2 turns open from closed position
Throttle Valve, approximately 1/4 turn open from closed position,
then start engine and follow break-in instructions on pages 19-25
in manual
jxs 06/24/10
ir/jxs
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov