Ultimate Engines M-3T Competition Nitro Engine

Ultimate Engines M-3T Competition Nitro Engine (Square Stroke)
Description

Ultimate Engines M-3T Competition Nitro Engine (Square Stroke)

Product info:

M3T ULTIMATE ENGINE

This is the 3 port .21 Off-Road Ultimate M3T Competition Engine. The Ultimate M3T is made by the prestigious Japanese O.S. brand and it's based on their B2102 square stroke engine. The characteristics of this engine adds to the Ultimate line all the best possible features you can have on a nitro engine, specifically designed for maximum power, performance and tuneability. With this engine you will have a great and super smooth linear power from low to high R.P.M.


COOLING HEAD
The cooling head has been redesigned by Modelix. It's not as low as the B2102 lower profile but it's lighter so it keeps the center of gravity as low as the B2102 but improving its performance on very high temperatures.

CARBURETOR
The Ultimate M3T engine comes with a new carburetor where high speed needle holder has been redesigned for a better refrigeration of the fuel flow into the carburetor, lowering the temp of the carb, and as a consequence it's more stable with a great idle stability, improves fuel mileage and overall engine performace.
Besides this, the uniball joint of the carb slide has also been modified with two stoppers instead of one. With this new modified design, you can easier adjust the angle of the uniball joint without having to disassemble the engine.
This carb offers a higher accuracy tuning, a very interesting advantage to experienced drivers.

BACKPLATE
The backplate is CNC machined and made of 7075-T6 Swiss Aluminum. The reason of making it with this material is to make it harder than the original and reduce the conrod-backplate friction increasing the life of the conrod and improving engine efficiency and performance.
Thanks to its design, you can remove the backplate without damaging the conrod even when it is on its lower position (PMI). The lateral grooves allow to easily remove the backplate without having to use any tool that can damage it.

CRANKSHAFT
The M3T crankshaft has been designed by the O.S team of engineers to ensure an optimum flow of fuel thanks to the aerodynamic design and the silicone filling. It is balanced with a tungsten weight in order to increase the inertia to rotation. Crankshaft durability has been improved thanks to the Dimond-Like Carbon (DLC) coatings.

BEARINGS
In line with the high quality and performance of this engine, its two high precision made in Japan bearings ensure high idle stability, longer life and low friction at high temperatures.

VENTURIS
The engine is supplied with two venturis, a 6.0 and a 6.5 to adjust fuel mileage and torque.

SLEEVE AND PISTON
The sleeve with 3 inlet port and an exhaust port guarantee a low fuel consumption with a very high but smooth and linear power.
Both, the sleeve and piston are made from a high strength aluminium bar to improve its durability.


 
TEECHNICAL SPECIFICATIONS
Displacement: 3,46 cc
Power Output: 2.65 PS/2.61 hp @ 34.000rpm
Practical Range RPM:  4.000-42.000
Bore x Stroke: 16,40x16,40
Sleeve: 3 + 1 ports
Rear Ball Bearing: ceramic
Front Ball Bearing: steel
Crankshaft: 14 mm
Carburetor: Aluminum w/ insulator gasket
Glow plug: P3 Turbo
Exhaust Position: rear
Weight:  345g
Fuel type: 25% nitro. Recommended fuel Nitrolux.

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