ZDZ 420B4-J w/Electric Starter

$5,252.99

All engines with a starter are custom order. Please inquire for lead time.

SKU: E0043S Categories: ,

Description

The ZDZ 420B4-J is a significantly improved former version of the ZDZ 420B4 engine. It is a two-stroke, four-cylinder flat model gas engine with 420ccm displacement. It features new cylinders for higher performance, better cooling, and a new & improved crankcase design.

This engine and the ignition are fully integrated into one “unit” which is easy to install. The user can be sure that installation of the ignition is done properly with no worries about where to install it, temperature, or vibration interference.

This engine is suitable for giant scale airplane models with weight over 40kg and wingspan over 4 meters.

Additional information

Cylinder

Four

Displacement

420cm³

Weight

27 lb

Bore

52mm

Stroke

50mm

RPM Range

1000-8500

Ignition Unit

Processor Controlled, Dampened Casing

Fuel Mixture (n95+Oil)

1:35 (break in) 1:40 (Normal run)

Spark Plugs

NGK CM 6

Spark Plug Electrodes Gap

0.5-0.7mm

Intake System

Reed Valves

Rec. Oil

Full synthetic oil for two stroke air cooled engines

Rec. Fuel

Automotive gas BA 95 or higher

Carburetor

Walbro WB-27

Normal/Max CHT

160/200°C

Fuel Consumption

9.8L/hr @ 75% Power

Propeller Configuration

Tractor or Pusher

Fiala Prop 40x20

72kg @ 4600 RPM

Fiala Prop 40x18

74kg @ 4700 RPM

Fiala Prop 40x16

76kg @ 5000 RPM

Belt Reduction Gear

Ratio on demand (Standard 1:2.7)