This is the Tower Pro .46 2-Stroke R/C ABC SNL Engine w/Muffler.
Tower .46 Engines have a 2-YEAR Warranty Through Hobby Services.
Free Postage When You Order Parts Through Tower Hobbies and a
Doubled Warranty When You Join the Super Saver Club.
FEATURES: CNC (Computer-Numerically-Controlled) Machining for Exact Tolerances
One-Piece Aluminum Crankcase
Two Ball Bearings Support the Crankshaft
True ABC (Aluminum, Brass, Chrome) Construction (see COMMENTS)
Schnuerle Porting
Expansion Style Muffler w/Pressure Fitting & Rotatable Exhaust Outlet
Side Exhaust
Remote for Safer, Easier Needle Adjustment Having a
Sturdy Metal Mounting Bracket.
INCLUDES: One Assembled Engine w/Purple Anodized Head and Thrust Washer
One w/High & Low Speed Needle Valves
One Metal Mounting Bracket w/Needle Valve Assembly
One Expansion-Style Muffler
Two 3x39mm Muffler Screws
One Extra Head Gasket
One Exhaust Gasket
One 2.5mm Allen Wrench
One 1.5mm Allen Wrench
One Set of Instructions
REQUIRES: : OS Max #8 is recommended (OSMG2691)
Break-in Propeller: 10x7
Fuel with 5% - 15% and 18% (minimum) Lubricant Content
SPECS: Displacement: 7.5cc (.455 cu in)
Bore: 22mm (.866")
Stoke: 19.6mm (.772")
Horsepower: 1.75 BHP at 16,000 RPM
Weight: 475g (16.9oz) (with Muffler)
Length: 83mm (3¼") From Backplate to Front of Drive Washer
17.55mm (11/16") Front to Rear Mounting Hole Centers
Width: 35.4mm (1.39") Width Neglecting Engine Mounting Flanges
44mm (1.73") Side to Side Mounting Hole Centers
Height: 89mm (3½")
Muffler Length: 171mm (6¾")(Overall)
Muffler Diameter: 40mm (1-9/16")
Crankshaft Thread Size: ¼-28
Recommended Props: Break In: 10x7
Trainer and Sport Models: 10x6, 10x7, 10x8, 11x6
Scale Models: 10x6, 10x7, 11x6, 11x7
Operating RPM Range: 2,500 - 16,000 RPM
COMMENTS: ABC construction: Engine has an Aluminum piston and a Brass cylinder,
Chrome plated. Cylinder is tapered and piston does not use a ring
so a tight compression fit is made as piston comes to the top.
Because of the precision tolerances, this engine feels "tight"
before it is fully broken-in.
If using the Slimline "Pitts" muffler with this engine, use
GPMQ3020 for mounting screws.
Factory Settings:
High speed: 1½ turns OUT
Low end: 2mm gap
Idle speed: N/A- adjusted through
NNA 9/27/94
ir/jl
upd NNA 8/29/02
Click here for Units of Measure Conversion Calculators