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

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

The Max 91HZ-R is developed basing inside 91HZ developed expressly for 90 size helicoper models, equipping the newest O.S. regulator system. The regulator system guarantees constantly constant fuel supply which is usually needed for 3D paths which require replicated energetic mindset modifications and for F3C channels which need serious combination control. Applying this technique, fuel tank is pressurized by force generatedin the crankcase. The gas delivered by anxiety is managed by the regulator set up ahead of the carburetor, then submitted towards engine.

The most recent 61E-R carburetor equips twin needles which permit to change idlling / hovering and advanced level combination by themselves.

Features:

• That's a principal vehicle's vehicle's gas tank pressurized regulator system incorporated variation connected with 91HZ
• Newly created 61E-R Carburetor added to a regulator definitely regulates pressurized gas. The same as other 91HZ products, it features dual needles which could adjust hovering and higher rate journey independently Regulator is found at a place through which heat doesn't suffer and access is easier
• The system guarantees stable gas supply regardless fast model mindset and G modifications
• The system cannot make the most of muffler pressurized gas system which requires needle modification based on the modification of muffler anxiety

Includes:

• O.S. .91HZ-R Helicopter engine 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