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F27 too fast

Printed From: Just Flight Forum
Category: Just Flight Products
Forum Name: F27 Friendship
Forum Description: Discussion area for F27 Friendship
URL: http://forum.justflight.com/forum_posts.asp?TID=31844
Printed Date: 28 Mar 2024 at 4:41pm


Topic: F27 too fast
Posted By: jla
Subject: F27 too fast
Date Posted: 11 Nov 2017 at 2:11pm
I recently bought the F27.
The F27 manual states you can climb at 1000 ft/min at 160 kts and 14,200 RPM and max cruise speed is 225 kts at 14,200 RPM. I think that's correct.
I can climb at 1000 ft/min with full load at 200 kts and 12,000 RPM. I can achieve a cruise speed of 225 kts with a lot less than 14,200 RPM. It's very difficult descending below 225 kts.
Does anyone else have these problems?
I use FSX SE, Windows 10, 64-bit.




Replies:
Posted By: The Vapor Trail
Date Posted: 27 Dec 2017 at 1:18am
Its interesting to see what you can get out of it and how fast you can push it. The figures differ depending on which manual you are reading. 

I have an airline manual that tells me to climb at 140kts @ 13,800 rpm. Cruise at 200ft about 180kts and no more than 200kts at 15,800rpm, and descend at 180 kts 12-1100rpm. Approach at 110kts 16°flaps gear down, then drop flaps to full at 400ft agl keeping the same power on until touchdown.

I find this seems to be a good rough guide to flying the simulated aircraft smoothly, although you can get a lot more power out of it than that, and the airline manual makes it clear that their figures are based on extending the life of the aircraft with as few repairs as possible rather than what you can push the aircraft to. A lot of that manual stresses the importance of limiting the power rather than letting it do what it wants.

I hope this helps: 

I made a little chart of the airline manual figures at : https://stormtossedclouds.wordpress.com/2017/08/23/fokker-f27-performance-engine-management-flying-tips-chart-for-fsx/


Posted By: The Vapor Trail
Date Posted: 27 Dec 2017 at 1:26am
oops.... 26° and 110kts on approach.


Posted By: The Vapor Trail
Date Posted: 27 Dec 2017 at 2:34am
and cruise at FL200 not 200ft


Posted By: jla
Date Posted: 02 Jan 2018 at 6:04pm
Thank you for the chart. It's very interesting and useful.



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