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Increasing The Thrust In FS9 Aircraft  
User currently offlineegph From United Kingdom, joined Feb 2006, 242 posts, RR: 0
Posted (3 years 3 months 3 weeks 17 hours ago) and read 12044 times:

Hello fellow flight-simmers,

I am am long time flight-simmer who has just started flying regularly again after a break of about a year or so. I usually fly the Overland Airbus and Boeing series aircraft for various different airlines. However recently I have acquired the Project Airbus A320. I find the model OK and I have downloaded a freeware panel for it so as not to use the default 734 one. The only problem I do have is that the aircraft is massively underpowered, it taxies OK on a low power setting however on the take-off roll it has the roll length of a fully loaded Jumbo and struggles to climb at all without stalling.

My question is, what bit of the aircraft cfg do I need to tweak to increase the thrust capabilities? I used to be quite proficient at tweaking cfg's a while back but have lost my touch.

Kind regards
EGPH

9 replies: All unread, jump to last
 
User currently offlineFly2HMO From , joined Dec 1969, posts, RR:
Reply 1, posted (3 years 3 months 2 weeks 5 days 11 hours ago) and read 11941 times:

Quoting egph (Thread starter):

My question is, what bit of the aircraft cfg do I need to tweak to increase the thrust capabilities? I used to be quite proficient at tweaking cfg's a while back but have lost my touch.

I get the feeling your problem is an incorrectly loaded aircraft. Lighten up the fuel/pax loads. No plane will ever fly with 100% pax and fuel. I've noticed that when switching planes FS will mess up the loads. There's no point messing with the CFG unless there is seriously something wrong, which I doubt is the case here.


User currently onlineEA CO AS From United States of America, joined Nov 2001, 13552 posts, RR: 62
Reply 2, posted (3 years 3 months 2 weeks 5 days 2 hours ago) and read 11894 times:
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Can't it be done by changing the static thrust data in the aircraft file?

[TurbineEngineData]
fuel_flow_gain = 0.002
bypass_ratio=6.00
inlet_area = 33.5757
rated_N2_rpm = 29920.000
static_thrust = 43734.000
afterburner_available = 0
reverser_available = 1



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User currently offlineTheBatman From United States of America, joined Aug 2007, 848 posts, RR: 8
Reply 3, posted (3 years 3 months 2 weeks 5 days 1 hour ago) and read 11888 times:
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Quoting EA CO AS (Reply 2):
Can't it be done by changing the static thrust data in the aircraft file?

I just did it in FS9 with the default 737-400 (which I never use) I increased the thrust rating from 23,500 lbs each to 43,500. What a blast! With 20k lbs of fuel, I was climbing at 6000 fpm maintaining 260kts IAS. I got up to FL380 very quickly, turned off #2 engine, and still got an overspeed warning!!!



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User currently offlineEDICHC From , joined Dec 1969, posts, RR:
Reply 4, posted (3 years 3 months 2 weeks 5 days 1 hour ago) and read 11887 times:

Quoting Fly2HMO (Reply 1):
I get the feeling your problem is an incorrectly loaded aircraft. Lighten up the fuel/pax loads. No plane will ever fly with 100% pax and fuel.

I agree, I have found the Project Airbus (realistically) unforgiving if overweight.


User currently offlineegph From United Kingdom, joined Feb 2006, 242 posts, RR: 0
Reply 5, posted (3 years 3 months 2 weeks 4 days 22 hours ago) and read 11872 times:

Thank you for your responses guys. It seems that shedding 50% of the pax and baggage weight is enough for the plane still to T/O and climb with a good fuel load (so that I can still do the LGW-TFS and LTN-SSH sectors in my EZY Airbus A320). Even then on a test flight from VCV-LAX I found that the plane thundered down the runway, kept level flight and descended and landed fine (on a very low weight and fuel setting) but struggled to climb at anything above 6 degrees nose up (about 1600 fpm). So I increased the static thrust which on the cfg had a warning DO NOT CHANGE on it and it seems to have kind of sorted the climb issue out!

Thanks again for all your help  


User currently offlineKcrwflyer From United States of America, joined May 2004, 3811 posts, RR: 7
Reply 6, posted (3 years 3 months 2 weeks 4 days 18 hours ago) and read 11854 times:

Whats the point of making a plane less realistic?

User currently offlinebj87 From Netherlands, joined Jun 2009, 448 posts, RR: 0
Reply 7, posted (3 years 3 months 2 weeks 4 days 13 hours ago) and read 11829 times:

Quoting TheBatman (Reply 3):
I just did it in FS9 with the default 737-400 (which I never use) I increased the thrust rating from 23,500 lbs each to 43,500. What a blast! With 20k lbs of fuel, I was climbing at 6000 fpm maintaining 260kts IAS. I got up to FL380 very quickly, turned off #2 engine, and still got an overspeed warning!!!

I just tried that. Didn't know a Mooney could climb that fast  


User currently offlineKPDX From United States of America, joined Dec 2005, 2740 posts, RR: 2
Reply 8, posted (3 years 3 months 2 weeks 3 days 14 hours ago) and read 11774 times:

Easiest way is to increase the thrust_scalar.


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User currently offlineJohnKrist From Sweden, joined Jan 2005, 1399 posts, RR: 6
Reply 9, posted (3 years 3 months 1 week 3 days 23 hours ago) and read 11555 times:
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Quoting KPDX (Reply 8):
Easiest way is to increase the thrust_scalar.

Correct, changing the thrust scalar can give a 737 the power of Endevour and then some 
Did that and went so fast I hit a building on take off and the wingless fuselage went on flying to some 30.000 feet before falling back to earth



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