AIRCRAFT INVESTIGATION
performance calculations for the Rolls Royce Spey Mk.506 aircraft engine
Rolls Royce Spey Mk.505-5
Rolls Royce Spey Mk.506 turbofan engine of 46.3 [KN] (10408 [lbf]) thrust
introduction : 1962 country : United Kingdom importance : ***
applications : BAC 1-11 srs 200
max. rating (take-off) : 46.3 [KN] (10408 [lbf], 4721 [kgf])
weight engine(s) dry : 1800.0 [kg] = 25.72 [N/kg]
General information :
by-pass ratio : 0.64 : 1
rpm HP : 0 [rpm]
axial flow engine
no water injection
LP compressor stages : 5 [ ]
HP compressor stages : 12 [ ]
HP turbine stages : 2 [ ]
LP turbine stages : 2 [ ]
stages : 5 + 12 + 2 + 2
fan diameter : 90.7 [cm] engine diameter : 109.2 [cm]
air mass flow : 92 [kg/s]
design hours : 769 [hr] time between overhaul : 385 [hr]
estimated specific fuel consumption (cruise power) :88.6 [kg/KNh]
Literature :
Rolls Royce Spey engine working cutaway model (aviationmodels-online.com)
DISCLAIMER Above calculations are based on published data, they must be
regarded as indication not as facts.
Calculated performance and weight may not correspond with actual weights
and performances and are assumptions for which no responsibility can be taken.
Calculations are as accurate as possible, they can be fine-tuned when more data
is available, you are welcome to give suggestions and additional information
so we can improve our program. For copyright on drawings/photographs/
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(c) B van der Zalm 27 June 2022 contact : info.aircraftinvestigation@gmail.com python 3.7.4