Simviation Forum - prop movement

Apr 29^th, 2003 at 6:54am

voscon Offline
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How can I get aprop to rotate in a gmax designed plane?

Sorry, was obviously not clear enogh above.
I designed and testflew a Drifter light aircraft, modelled with gmax.
All is well, gauges installed with FSEDIT etc, smoke coming from engine when starting etc.But no prop movement ???
Can anyone tell me how to make the prop rotate?
I can e-mail/upload a screenshot, but being new here it may fail. (will try now)
Thanks so far for answers.

« Last Edit: Apr 30^th, 2003 at 1:21pm by pete »

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Reply #1 - Apr 29^th, 2003 at 8:23am

BFMF Offline
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Try asking in the design forum Wink

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Reply #2 - Apr 29^th, 2003 at 6:22pm

pete Offline
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I'm seeing this was moved here & guessing you are referring to an aircraft you downloaded?

If so
1. I have never heard of a GMax designed aircraft without rotating props .. (what file is that?)

2. Animations are made by the designer in the original design (source file) using GMax itself.

I'm also guessing this thread will not progress beyond this ....

cynical pete ....... Wink

(nice if I was wrong... )

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Reply #3 - Apr 29^th, 2003 at 6:51pm

BE58D Offline
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I am thinking he might be referring to creating the animation within GMAX.

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Reply #4 - Apr 29^th, 2003 at 9:37pm

Felix/FFDS Offline
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a gMax designed aircraft without rotating props could be a jet or rocket....

Quote:

If so
1. I have never heard of a GMax designed aircraft without rotating props .. (what file is that?)
cynical pete ....... Wink

(nice if I was wrong... )

Felix/FFDS

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Reply #5 - Apr 30^th, 2003 at 8:28am

Hagar Offline
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And I thought I was the cynical one. Tongue

Quote:

Sorry, was obviously not clear enogh above.
I designed and testflew a Drifter light aircraft, modelled with gmax.

Voscon. As I use FSDS2 for creating aircraft I left this for those more familiar with Gmax to answer. However, the basic animation principle is exactly the same for both. First, I suggest you download the FS2002 MakeMdl SDK.
http://zone.msn.com/flightsim/FS02DevDeskSDK00.asp
This will give you the part naming conventions used for all animated parts. Props & various other standard animations are done by simply naming the parts correctly. Normally, 3 parts are used for a full prop animation sequence. These are the names for a single engined aircraft. prop0 is Engine 1.

prop0_still = the 3D stationary prop
prop0_slow = 3D prop or disk displayed during startup/shutdown.
prop0_blurred = the transparent 2D prop disk displayed with engine running

If you look through the older topics in this forum there are various discussions on the best way to animate props. http://www.simviation.com/cgi-bin/yabb/YaBB.cgi?board=airc;action=display;num=10...
Hope this is some help.

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Reply #6 - May 2^nd, 2003 at 5:28am

voscon Offline
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Thanks very much for your answer. I have copied the post and your explanation to a third person. It's a bit more complicated than I imagined, but I'm sure I can manage. If not, please help further in time to come. When finished, I'll show you the product.
(maybe the gmax animator may even help in speeding up and slowing down of the prop, I'll see.
Again, thanks!! Wink

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Reply #7 - May 2^nd, 2003 at 6:05am

Hagar Offline
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Quote:

Thanks very much for your answer. I have copied the post and your explanation to a third person. It's a bit more complicated than I imagined, but I'm sure I can manage. If not, please help further in time to come. When finished, I'll show you the product.

Hi Voscon. That's a nice looking little plane. Wink

The prop animation is not difficult once you understand the basic principle. I'll do all I can but I was never happy working in Gmax which I find over-complicated. Doc Blake's tute is for FSDS2 but might also help.

Quote:

(maybe the gmax animator may even help in speeding up and slowing down of the prop, I'll see.
Again, thanks!! Wink

The props use the stock animation names. I'm almost certain they're not affected by keyframe animation. The only way I know to tweak the speed of rotation is with the Aircraft.cfg prop_anim_ratio= entry that Felix mentioned. I find prop_anim_ratio=1.48 works well for a 4-bladed prop on my own CFS2 projects but this might depend on other AIR file/Aircraft.cfg variables.

Good luck. Cheesy

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