Low speed Arrow II cruise
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Join Date: May 2001
Location: Far East
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Low speed Arrow II cruise
Odd question I know... but can anyone tell me whether an Arrow II can be cruised at the bottom end of the 'unsympathetic vibration' range on the tacho, ie 2100rpm I think, and say 21 inches manifold pressure. Will it sustain level flight in this config? and if so what is the likely IAS?
What is the 55% endurance crusie data?
Cheers
PS, no I don't have access to a POH.
What is the 55% endurance crusie data?
Cheers
PS, no I don't have access to a POH.
Join Date: Mar 2002
Location: Euroland
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2100 RPM is indeed approved for flight at 65% power or less - Refer to the Power setting table in the Pilot Information Manual.
55% Power at 2100 RPM is obtained at the following Manifold Pressure settings;
SL 22.9
1K 22.7
2K 22.4
3K 22.2
4K 21.9
5K 21.7
6K 21.4
7K 21.2
8K 21.0
9K Full Throttle
The book fuel flow figure for 55% is 8 US Gal Per Hour
The aircraft definitely flies at this approved power setting.
Note that the above heights are Pressure Altitude and ISA
Regards,
DFC
55% Power at 2100 RPM is obtained at the following Manifold Pressure settings;
SL 22.9
1K 22.7
2K 22.4
3K 22.2
4K 21.9
5K 21.7
6K 21.4
7K 21.2
8K 21.0
9K Full Throttle
The book fuel flow figure for 55% is 8 US Gal Per Hour
The aircraft definitely flies at this approved power setting.
Note that the above heights are Pressure Altitude and ISA
Regards,
DFC