Max Os Bx-1
07-18-2002, 02:02 PM
#2
Senior Member
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Max Os Bx-1
Acquired this from Tower Hobbies internet site:
The O.S. 1.08 FSR is Typically Used in Large Scale Aircraft (1/6th, 1/5th,
and Sometimes 1/4 Scale). This Engine is Identical to the .91 FSR in Size
Except That The 1.08 Has a Larger Bore (a bore is the diameter of the piston).
This engine has a O.S. 2-Year Warranty.
This is Also called the BX-1.
THIS IS THE REMOTE NEEDLE VALVE VERSION OF THE ORIGINAL 1.08 FSR ENGINE.
FEATURES: Ringed Piston
Schnuerle Porting
Two Crankshaft Ball Bearings
Side Exhaust
One-piece Crankcase
Remote Needle Valve
INCLUDES: One Assembled 1.08 (BX-1) Engine
One Muffler (OSMG2848)
One Spare Woodruff Key
One Set of Instructions, Mount Template, Decal Sheet, and Poster
SPECS: Construction: Aluminum and Aluminum alloys
Bore: 29.0mm (1.14") Stroke: 27.0mm (1.06")
Max Output: 3.0 BHP at 16,000 RPM Weight: 750g (26.5 oz)
Practical RPM Range: 2,000 - 16,000 RPM
Crankshaft Thread Size: 3/8" X 24
Suggested Prop Sizes: 14X6, 14X7, 14X8, 15X6, 15X7, 15X8, 16X6, 18X6
Height: 119mm (4.69")
Width: 48mm (1.89") Width neglecting the mounting flanges
58mm (2.28") Width between the centers of the mounting holes
Length: 108mm (4.25") From backplate to front of the drive washer.
Distance Between Muffler Mounting Holes: 1.38" 35mm
REQUIRES: Glowplug (The O.S. #8 - OSMG2691 is recommended)
Fuel with 5%-15% Nitromethane and a 18% minimum lubricant content
(20% oils is recommended) - ALL the 5%-15% fuels we carry meet these
requirements.
11-18-98kzh
ir/jl
COMMENTS: The piston pin retainer clip 29017004 has been replaced by
OSMG7487 28117000.
updateaxy5/31/00
Here are the differences between the older version and this newer
version . . .
1. 8mm longer crankshaft to fit Lock Nut Set
(prop nut, prop washer and lock nut).
2. New parts on 19202
-Crankshaft #29202020, instead of #29202000
-Lock Nut Set #29620100 (same as for 160FX)
-Drive Washer #29208000, instead of #29208020(tapped holes and
set-screws are eliminated)
3. Deleted parts
-Prop Nut #29210000
-Prop Washer #29209000
The O.S. 1.08 FSR is Typically Used in Large Scale Aircraft (1/6th, 1/5th,
and Sometimes 1/4 Scale). This Engine is Identical to the .91 FSR in Size
Except That The 1.08 Has a Larger Bore (a bore is the diameter of the piston).
This engine has a O.S. 2-Year Warranty.
This is Also called the BX-1.
THIS IS THE REMOTE NEEDLE VALVE VERSION OF THE ORIGINAL 1.08 FSR ENGINE.
FEATURES: Ringed Piston
Schnuerle Porting
Two Crankshaft Ball Bearings
Side Exhaust
One-piece Crankcase
Remote Needle Valve
INCLUDES: One Assembled 1.08 (BX-1) Engine
One Muffler (OSMG2848)
One Spare Woodruff Key
One Set of Instructions, Mount Template, Decal Sheet, and Poster
SPECS: Construction: Aluminum and Aluminum alloys
Bore: 29.0mm (1.14") Stroke: 27.0mm (1.06")
Max Output: 3.0 BHP at 16,000 RPM Weight: 750g (26.5 oz)
Practical RPM Range: 2,000 - 16,000 RPM
Crankshaft Thread Size: 3/8" X 24
Suggested Prop Sizes: 14X6, 14X7, 14X8, 15X6, 15X7, 15X8, 16X6, 18X6
Height: 119mm (4.69")
Width: 48mm (1.89") Width neglecting the mounting flanges
58mm (2.28") Width between the centers of the mounting holes
Length: 108mm (4.25") From backplate to front of the drive washer.
Distance Between Muffler Mounting Holes: 1.38" 35mm
REQUIRES: Glowplug (The O.S. #8 - OSMG2691 is recommended)
Fuel with 5%-15% Nitromethane and a 18% minimum lubricant content
(20% oils is recommended) - ALL the 5%-15% fuels we carry meet these
requirements.
11-18-98kzh
ir/jl
COMMENTS: The piston pin retainer clip 29017004 has been replaced by
OSMG7487 28117000.
updateaxy5/31/00
Here are the differences between the older version and this newer
version . . .
1. 8mm longer crankshaft to fit Lock Nut Set
(prop nut, prop washer and lock nut).
2. New parts on 19202
-Crankshaft #29202020, instead of #29202000
-Lock Nut Set #29620100 (same as for 160FX)
-Drive Washer #29208000, instead of #29208020(tapped holes and
set-screws are eliminated)
3. Deleted parts
-Prop Nut #29210000
-Prop Washer #29209000
