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O.S. Engines Max 46AX II Nitro Engine and Silencer 15490
Product Code: 15490
O.S. Engines
Minimizes creep and resets with seals on both needles and a ratchet spring on the high-speed needle. A rotor guide screw eliminates spring-related movement, too.
Includes a lock nut and a longer crankshaft with more thread length to ensure better prop nut engagement and greater pilot safety.
Includes glow plug, muffler, cable extension.
The ABL (Advanced Bi-Metallic Liner) includes one layer for better bonding, and another to reduce wear and extend life.
A needle-valve extension cable and rear-angled high-speed needle maximum pilot safety and convenience.
A generously sized chamber and larger sound baffle help the Power Box muffler significantly reduce exhaust noise without compromising power. Rotatable exhaust outlet provides effective, no-cost finish protection.
Recommended Propellers: 10.5x6, 11x6-8, 12x6-7, use 10x6 for break-in
Simple, side-exhaust design.
Power Box muffler features a squared-off shape for easier fits in more cowls.
40K carburetor has high- and low-speed needles, plus a mixture adjustment screw. Tighter tolerances between the piston and ABL create a tighter compression seal and improved power.
Dual ball bearing-supported crankshaft lowers friction and wear.
Head automatically centers and levels itself and snugs down with just 4 screws.
Subtly tapered low-end needle eliminates surging at transition, ensuring smooth, controllable power across the rpm range.
Updated liner ports and a ball-milled inlet port minimize turbulence and promote better fuel/air mixing.
Specifications:
Displacement:7.45cc
Bore:22mm
Stroke:19.6mm
Practical RPM:2,000-17,000
Power Output:1.63hp/16000 RPM
Weight:378g without muffler
Weight:486g with muffler
Included:
40K Carburettor
Needle valve extension cable
E-3071 muffler
#6 Glow plug
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