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Turn rate charts


WildBillKelsoe

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Do A-10A charts apply? If not, what is the source for DCS aircraft? Thanks.

 

I want to calculate required G for 18 degrees / sec turn rate carrying 2 mk-82's, tgp, alq-131 full cannon, and 50% fuel, at 3700 ft

 

Thanks

AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS

 

Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.

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thanks paulrkii.

AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS

 

Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.

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Can be calculate with: G = 1 / cos ( Bank)

Brrrrrrrrrrrt

I'd rather call in a Strike Eagle...

I7 6700K, MSI Z270 Gaming Pro Carbon, 32GB G.Skill Ripjaw V 3200, Inno3D GTX 1080, Samsung 970 Evo, Thrustmaster 1.6000M, TrackIr 5

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No need for charts. Just calculate the radius at the required (true) airspeed and then the centripetal acceleration. Finally, good old Pythagoras to find nz (i e the G loading).

 

You didn't post an airspeed, which is a required parameter.

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Level turn, I applied SI units.

 

Turn rate ω=(deg/s)/180*π rad/s (1)

 

True air speed (in m/s) V=ω*r m/s => r=V/ω m(2)

 

Horizontal (centripetal) acceleration a=V^2/r m/s^2

 

Insert (2)

 

a=V^2/r=V^2*ω/V=Vω m/s^2

 

Insert (1)

 

a=V*(deg/s)/180*π m/s^2

 

g_centripetal=V*(deg/s)/180*π/g=V*(deg/s)/180*π/9.82

 

G load nz=sqrt(g_centripetal^2+1^2)=sqrt(a^2+g) =

sqrt((V*(deg/s)/180*π/9.82)^2+1)

 

G load nz= square root((V*(deg/s)/180*3.14/9.82)^2+1)

 

For zero turn rate

 

nz=sqrt(0^2+1)=1

 

Assume 90 m/s, around 170 KTAS and 18 deg/s.

 

nz=sqrt((90*18/180*3.14/9.82)^2+1)=3 g

 

The bank angle can be calculated from the centripetal acceleration from ba=atan(a/g)=atan(g_centripetal/1)

 

(Now play a good game of hunt the error - it's getting to 2200 here :) )

 

(And that is essentially the doghouse plot guidelines expressed algebraically)


Edited by effte
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omg this turned into maths fiasco!!! ok, my speed at turning would be 285 KIAS

AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS

 

Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.

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omg this turned into maths fiasco!!!

 

You asked a question which is answered by physics/flight dynamics. You were given the tools to find the answer to your question, and you call it a fiasco?

 

Do we have a language barrier issue here regarding the word 'fiasco'?


Edited by effte
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Relax effte I was joking.

AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS

 

Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.

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