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C152 V3 fuel usage

Printed From: Just Flight Forum
Category: Just Flight Products
Forum Name: C152
Forum Description: Discussion area for C152
URL: http://forum.justflight.com/forum_posts.asp?TID=32242
Printed Date: 29 Mar 2024 at 7:07am


Topic: C152 V3 fuel usage
Posted By: rlaycock
Subject: C152 V3 fuel usage
Date Posted: 01 Apr 2018 at 7:43am
Hi all
Thanks for the update V1.3
However I have noticed a considerable increase in fuel usage in 1.3
Pre 1.3 I could get the fuel usage easy to 6 Gal per hours
Post 1.3 I can hardly get it below 10 Gal / hour 
measured by the inbuilt Flight computer

Thanks in advance if you can help
Bob



Replies:
Posted By: Captain Coffee
Date Posted: 10 Apr 2018 at 3:04pm
Confirming this is true for me as well. Full power after v3 uses up to 17 GPM at sea level.
I 'fixed' this manually by tweaking the aircraft.cfg piston engine settings as follows:

[piston_engine]
bestpowerspecificfuelconsumption = 0.70 //1.0

Fuel consumption at that setting is more like realistic 10GPM at full power, 9-8 gpm at 85% power, and 7 GPM at 75% power.

Cheers.
Matt.





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Fresh Junkie of Haul Air.


Posted By: Martyn
Date Posted: 11 Apr 2018 at 2:56pm
Thanks for the feedback. We've updated the product and demo installers to address the fuel usage issue.

Martyn


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Martyn
Just Flight Ltd


Posted By: Captain Coffee
Date Posted: 14 Apr 2018 at 2:02pm
Thanks Martyn!

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Fresh Junkie of Haul Air.



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