Page 1 - 2 Issue 3 – July 2014
Due to the specific characteristic of the TAE 125 engine, all of the
information from the original DR400 flight manual recognized by EASA
are no longer valid with the reference to:
carburetor and carburetor pre-heating,
ignition magnetos and spark plugs, and
mixture control and priming system.
PROPELLER
Manufacturer ....................................... MT Propeller Entwicklung GmbH
Model ........................................................................... MTV-6-A/187-129
Number of blades ................................................................................... 3
Diameter ......................................................................................... 1.87m
Type ................................................................................ Constant Speed
NOISE LIMITATION
In compliance with the regulation ICAO, annex 16, Volume I, Part II,
Chapter X, the maximum acceptable noise level for the DR400/120D,
DR400/140B, DR400/180R, DR400/200R, DR400/RP at a certified max.
take-off weight of 980 kg (2161 lb) is 78.4 dB(A).
For the TAE 125-01 installation:
The noise level determined under the conditions of the abovementioned
regulation, with the MT Propeller MTV-6-A/187-129 propeller together
with "Akrapovic type for TAE 125" muffler, is 70.9 dB(A).
The noise level determined under the conditions of the abovementioned
regulation, with the MT Propeller MTV-6-A/187-129 propeller together
with no installed muffler, is 74.4 dB(A).
For the TAE 125-02-99 installation:
The noise level determined under the conditions of the abovementioned
regulation, with the MT Propeller MTV-6-A/187-129 propeller together
with "Akrapovic type for TAE 125" muffler, is 70.2 dB(A).
The noise level determined under the conditions of the abovementioned
regulation, with the MT Propeller MTV-6-A/187-129 propeller together
with “Langer LA 44” muffler, is 69.1 dB(A).
ELECTRICAL SYSTEM
The electrical system of the TAE 125 installation differs from the previous
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