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Fuel and speed question

Maxstuka

Maxstuka

Charter Member
I don`t know but I see this phenomeno in game that is logic

In minor load % fuel the speed is increase

I see this phenomeno in lineal fly at 3500ft or 1000ft is equal thephenomeno.

100%--99%---98%--96%-------
244kts--246kts--247kts--249kts

Is there a extremist?because per 1 liter the aircraft gain 2kts in the start.

O I am very crazzy this night?
 
Max,

Yes, I think that is correct although the percentage of increase may be too great.

I'm no aeronautical engeneer, but in general terms (and to enhance the base lift of the wing) the greater the weight of the aircraft, the greater the angle of attack the wing needs for any given speed. The greater the angle of attack, the greater the drag on the aircraft and thus the more power it takes to maintain a set velocity. At maximum engine output, all things being equal, the lighter the plane is, the faster it will fly.

As a plane becomes lighter in flight from burning fuel (about 6.5 pounds per gallon or .78 kg per liter) and if the pilot wants to maintain his speed and altitude, the pilot must gradually reduce his manifold pressure (power) and adjust his elevator trim to compensate for the reduced angle of attack required of the wing to maintain a set elevation and speed.
 
Maxi....check your mail again....

The A6M3 is currently carrying a 100% fuel load of 139 gallons of avgas at 6 pounds to the gallon. That's around 835 pounds of fuel. 96% of that would be a decrease of around forty pounds. That represents about 1.7% of the plane's gross weight. The increase in speed is 5kts, or about a 2% increase in speed for a 1.7% decrease in weight. Yes, that is about right. :ernae:

Relax you've got a good set of files now. Don't 'over-tune' it. :medals:
 
Further....

...the aircraft should be consuming fuel at about 72 gallons/hour in cruise configuration, giving her the 1000-mile rated range. :wavey:
 
:banghead::banghead::banghead:

I am no relax, I test all night!.

AUTOPILOS RESULTING of 1000ft ascending to 2000ft
A6m3:
AIR first): 238 constant
AIR 2ª ): 238 constant
AIR last): 237-236
A6m2:334 constant
A6m5:339 constant

Manual fly linear resulting At 1000ft and 1300ft
A6m3:
AIR first): 346---at 98%--/ 350 at 96% fuel and minor
AIR 2ª ): 347---at 98%-- /348 at 96% fuel and minor
AIR last): 351---at 98%--/ 350 at 96% fuel and minor
A6m2:344 at 98%-97%-96% fuel
A6m5:352 at 98%-97%-96% fuel

the most similar air. of the nonsimilar ones
in performance is the 2 file that you sent to me
I don´t know what changes you do in the ultimate file that you send me with respect to the 2, but it last file registre 350 to top speed and not 248
if YOU is in agreement with my simple analysis, I upload the model with that file.
I hope that it can consume all the fuel in 1000Miles

AIR last): 351---at 98%--/ 350 at 96% fuel and minor
A6m5: 352---at 98%-97%-96% fuel
about this, The A6m3 have minor speed , no similar than the A6m5!
 
Max,

Remember that no aircraft flies perfectly to its specification. So many factors affect the performance that it can change from mission to mission for even the same plane.

Things like air density, the weight of the paint or lack of paint; new or fouled spark plugs, actual octane level of the fuel; weight of the pilot and his equipment, how skilled the pilot is at formation flying and how well he adjusts the fuel-air mixture for each altitude that he flies at all affect the fuel consumption and speed of the aircraft.
 
Silly me... and all this time I was thinking it was a game! :isadizzy: In addition, some of the chaps i fly on line with report that they pick up a few extra knots when they open the cowl flaps slightly (radial engine of course).
 
My 2 cents worth:

Plus wind directing (head - tail) would also be a major factor here.

Through research & testing for Vietnam I've found that if you chop the throttle to zero & then warp; fuel consumption drops drastically.
.
.
 
I like it Dirtman! :ernae:

I have been running out of fuel on a couple of missions after warping that I should not have. I guess I will cut power, warp and reset power for the furball.
 
What is the SECTION 300 Fuel consumption factor ?

I need that the airplane consumes 570litros to the 1000 miles

I have already formed the left Main tank, Right Main tank ,Center Main tank in the .air.


1 U.S. gal is equal that what "simple gal"?
:typing:
 
who know whichever miles I flying in cfs2?
I need to try that the airplane exhausts the fuel to 1000 miles
 
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