Regarding Jets

[sc7500]

Okay - I'm new to anything that propulses without a prop, so bear with me here...

Is there an unwritten rule in CFS2 regarding jet engine animations ?

I was playing with the air file for a F4F last night, and was watching the port engine spool up after start... the Starboard engine never showed any animation...

Normal ? An AIR File oddity ? Just me ?

SC
:kilroy:

PS - On another note, I was tweaking an ANCIENT B-29 by Plane designer grahamhr@xtra.co.nz and Brendan (paint shop): bdurham@clear.net.nz and made a strange discovery - NO LANDING GEAR in Free Flight !

The plane hovers for a second and then crashes to the ground in a ball of flame. Ideas ?

[bearcat241]

I had the same challenge with the engines on an A-10 conversion last year -- got the left eng one anima to spool, but not number two right. Checked it and rechecked in scasm but couldn't find any errors in the keyframes. Something in the conversion process confused the mdl. I finally worked it out but its been so long and so many projects since that i can't remember the steps i took -- LOL. However, if you suspect an error in the air file you might try running it thru AirWrench to get an inside look at the engines setup.

On the B-29 thing, check the aircraft.cfg contact points section to make sure the first three lines are good (point.0 - point.2). These are your landing gear entries. Then check the air file record 1004 for proper setup also.

[sc7500]

Thanx, Bear - I will mess with these later today and report back !

SC:icon29:
:kilroy:

[sc7500]

Stubborn aircraft !

I'm not fluent enough in SCASM to diagnose the jet engine challenge [all's well in Airwrench, so...], and it's not a big enough priority to float to the top of the pile... If anyone happens to recall the technique for animating the Starboard engine, I'll look for a reply.

The landing gear challenge is oddly annoying - here's a copy of the B-29's config info:

~~~~~~~~~~~~~~~~~~~~~~~~~
[contact_points]
//0 Class
//1 Longitudinal Position (feet)
//2 Lateral Position (feet)
//3 Vertical Position (feet)
//4 Impact Damage Threshold (Feet Per Minute)
//5 Brake Map (0=None, 1=Left, 2=Right)
//6 Wheel Radius (feet)
//7 Steer Angle (degrees)
//8 Static Compression (feet) (0 if rigid)
//9 Max/Static Compression Ratio
//10 Damping Ratio (0=Undamped, 1=Critically Damped)
//11 Extension Time (seconds)
//12 Retraction Time (seconds)
//13 Sound Type

static_pitch= 1.285
static_cg_height= 9.500
max_number_of_points=7
gear_system_type=0
tailwheel_lock=0
point.0= 1, 5.650, 18.500, -2.040, 14, 1, 8.900, 20.000, 1650.000, 0.001, 2.000, 1.000, 0.700, 0, 46.9, 1060.2
point.1= 1, 5.650, 4.700, -2.040, 14, 0, 9.100, 0.000, 1574.000, 0.001, 2.000, 1.200, 1.200, 0, 46.9, 106.0
point.2= 1, 5.650, -4.700, -2.040, 14, 0, 9.100, 0.000, 1574.000, 0.001, 2.000, 1.600, 1.700, 0, 46.9, 106.0
point.3= 2, -14.167, -47.333, 0.000, 787, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5
point.4= 2, -14.167, 47.333, 0.000, 787, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6
point.5= 2, -54.000, 0.000, 2.800, 800, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 9
point.6= 2, 29.167, 0.000, -3.750, 787, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4
~~~~~~~~~~~~~~~~~~~~~

Even at -2.040, the plane should have the landing gear extended at rest - but, alas, it does not. What am I doing wrong here ?

SC
:kilroy:

[bearcat241]

If you tell me the exact zip filename or the model name of the jet i may be able to take a look and see if i can do anything there. As a serious CFS2 jet man, i may have the model already.

Regarding the B29, it appears from your post that though the model may be ancient, the cfg isn't. Judging from the lines in bold type below, this cfg appears to have been taken from an original FS8/9 design:

static_pitch= 1.285
static_cg_height= 9.500
max_number_of_points=7
gear_system_type=0
tailwheel_lock=0

These lines are generally found in cfg's done for FS series a/c. At any rate, its irrelevant. What you see below is the data from the original cfg of the early VB B29, done by Graham, Brendan and Michael for VB Planes:

[contact_points]
//0 Class
//1 Longitudinal Position (feet)
//2 Lateral Position (feet)
//3 Vertical Position (feet)
//4 Impact Damage Threshold (Feet Per Minute)
//5 Brake Map (0=None, 1=Left, 2=Right)
//6 Wheel Radius (feet)
//7 Steer Angle (degrees)
//8 Static Compression (feet) (0 if rigid)
//9 Max/Static Compression Ratio
//10 Damping Ratio (0=Undamped, 1=Critically Damped)
//11 Extension Time (seconds)
//12 Retraction Time (seconds)
//13 Sound Type

static_pitch=1.285400
static_cg_height=7.5

point.0=1 , 24.5 , 0.0 , -8.9 , 4650 , 0 , 0.7 , 15 , 1.5 , 2.5 , 0.8 , 4.0 , 4.0 , 6.0 , 170 , 150
point.1=1 , -2.70 , -14.5 , -9.1 , 4574 , 1 , 1.2 , 0.0 , 2.5 , 2.5 , 1.7 , 6.9 , 6.9 , 7.0 , 170 , 150
point.2=1 , -2.70 , 14.5 , -9.1 , 4574 , 2 , 1.2 , 0.0 , 2.5 , 2.5 , 1.7 , 7.1 , 7.1 , 7.5 , 170 , 150
point.3=2 ,-14.16,-47.3, 0.0, 4787.401600,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,5.0,0. 0,0.0
point.4=2 ,-14.16, 47.3, 0.0, 4787.401600,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,6.0,0. 0,0.0
point.5=2 ,-54, 0, 2.8, 4800,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,9.0,0.0,0.0
point.6=2 ,29.16, 0.0,-3.75, 4787.401600,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,4.0,0. 0,0.0

I also increased the impact damage threshold values in red to reflect something more appropriate for the historical weight and payload capacity of the Superfort.

Hope this helps...

[sc7500]

I replaced the CFG info with the numbers you gave me... and the plane now stands by itself and flies great. Gonna hafta look the info over REAL close, 'cause I'm not sure WHY they worked... but they did !
~~~~~~~~~~~~~~~~~~
The Phantom under scrutiny is f4e_phantom2.zip, one of Tom [Tango_Romeo] Sanford's efforts, "an upgrade/update/completion of an original unfinished work by Hayden Scott-Williams (Fang_VV)", to quote his read_me file from 2003...

Good looking plane, with only a non-spinning turbine to annoy me...

Thanks for the assist, Bearcat - much appreciated ! :icon29:
SC
:kilroy: