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Author
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Topic: sinking - landing gear
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wil
Pilot
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posted 08-21- 03:40 PM
   
The body points are there, center mass of the tires. The nose wheel is fine, but the two rear wheels are sinking into the ground.
All three wheels have obBodyPts, etc. declared, and I see the yellow cross center mass the tires when in OPS Pt mode. I'm tired of dicking around with these points-the problem must be somewhere else.
Any suggestions as to where to look? Better yet, what to do? IP: Logged |
wil
Pilot
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posted 08-21- 03:41 PM
Possible DOF problem???...IP: Logged |
Raider
Pilot
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posted 08-21- 03:58 PM
will, do you have these lines in your obBodyPts for the tires?obBodyPts (ptProto 'CTirePt ptTireRadius 1.265 ptTireWidth .675 ------------------
Raider 33rd~GS
Raiders Site
IP: Logged |
Pete Hawk
Pilot
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posted 08-21- 07:01 PM
I had a similar thing happen with my Harrier. Here's what it was. The upper strut of a landing gear will have X and Z axis springs in it (rotation type). The piston that goes up and into the strut should have ONE spring, that makes it act as a shock absorber. If you try to put more springs on the piston it'll break the whole setup. My Harriers nose tire kept sinking into the ground and I couldn't see why. When I deleted the rotational DOFs (Springs) on the piston (NOT the strut... upper part), it fixed it.There's a chance this could have happened to you. If that doesn't work, send me a copy and I'll get it fixed for you. Hawker
Self proclaimed Landing Gear DOF master  IP: Logged |
wil
Pilot
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posted 08-21- 11:22 PM
Raider, Yes I have those lines.
Hawker, I'll take a harder look at my DOFs tonight after work. Thanks for the replies
comrades. IP: Logged |
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