Gaspar Xicoy X45 User Manual
Also see for Xicoy X45: User manual
                           | |
Contents
| 
User Manual X45 Version 1.0/2019Copyright © 2019 by Xicoy Electrònica S.L. All rights reserved Page 9Idle rpm 60,000EGT at max thrust 550 -700´CFuel consumption at max thrust 140g / 4.7oz per minMinimum exhaust tube diameter 45-50mm / 1.8-2”Battery recommended 2S LiPo or 3S LiFe >1000mAhGlow plug volts 6vRestart capable, 2 modes, manual (glider) & automaticFuel / Oil, Kerosene or diesel + 4% oil mix. See text for breakdown*The specifications may be subject change without notice as new updates and developments are added to theproduction model.Engine DescriptionThe engine is a miniature turbojet design produced specifically to produce thrust to power small model aircraft. It hasa single stage billet machined centrifugal compressor and single stage cast Inconel axial flow turbine mounted on asingle shaft. The engine is fitted with a long life ceramic glow plug which enables the engine to initiate combustiondirectly on liquid fuel after which further fuel is gradually introduced into the main part of the combustion chamberto provide combustion heat to operate the engine. A high speed brushless electric starter motor fitted with a clutchmechanism to the front provides drive to the rotor up to self-sustaining speed for starting the engine. The startingsequence is controlled by an electronic system fitted to the engine (ECU) which initiates the start sequence andcontrols the parameters of the engine within design limits.The engine rotor shaft is supported by two ceramic bearings which are lubricated by a small percentage bleed off thepressurized main fuel supply, which should contain a small percentage of oil for this purpose. The rotor discs areseparately balanced and then 2-stage dynamically balanced on assembly to the engine. Disturbing the rotor will losethis delicate balance and the engine will need to be returned to a service unit for rebalancing.The fuel for the engine is provided from a fuel tank and fed through a small pump driven by a 3-phase (brushless)motor that has its own intelligent control. The engine speed between idle and maximum is controlled by varying thespeed of the fuel pump rotor by command from the electronic device called an ECU (Electronic Control Unit) that ismounted under the front cover of the engine. This sends commands to the fuel pump via a connector board (Hub) toturn at a certain rpm (and therefore flow rate) to deliver a precise amount of fuel and the fuel pump automaticallyadjusts itself to this rate. The communication between the ECU and fuel pump and all other function accessories,display, telemetry etc is via a single wire bidirectional digital data link, no analogue voltages are used and operationis not voltage sensitive. |
Related manuals for Gaspar Xicoy X45
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine