O.S #18640 - OS 91HZ-R MAX W/61E-R Carburettor  [OS-18640]

Here is the new version O.S. .91HZ-R Helicopter engine, with improved design elements.

The Max 91HZ-R is developed basing inside 91HZ created expressly for 90 size helicoper models, equipping the brand new O.S. regulator system. The regulator system guarantees constantly constant gas supply which will be frequently required for 3D paths which require replicated energetic mindset modifications and for F3C routes which require severe combination control. Using this technique, fuel tank is pressurized by force generatedin the crankcase. The gas delivered by anxiety is managed by the regulator installed before the carburetor, then sent in towards motor.

The newest 61E-R carburetor equips twin needles which enable to change idlling / hovering and higher level combination on their own.

Features:

• That's a main vehicle's gas tank pressurized regulator system incorporated variation associated with 91HZ
• Newly created 61E-R Carburetor incorporated with a regulator certainly regulates pressurized gas. Just like other 91HZ devices, it features double needles which may adjust hovering and high rate journey independently Regulator is found at an area by which heat doesn't suffer and access is easier
• The system guarantees stable gasoline supply no matter fast model mind-set and G modifications
• The system cannot take advantage of muffler pressurized fuel system which calls for needle adjustment on the basis of the modification of muffler anxiety

Includes:

• O.S. .91HZ-R Helicopter motor with Pump, 61E-R Carb, #8 Glow Plug, always check Valve, Head Gasket 0.2mm, Needle Adjusting screw (M2.6*5 2 pcs) , English Instructions

Specs:

• Displacement: 0.912 cu in (14.95 cc)
• Bore: 1.091 in (27.7mm)
• Stroke: 0.976 in (24.8mm)
• Practical RPM: 2,000 - 16,000
• Energy production: 3.4 hp @ 15,000 RPM
• Body fat: 625g