i thought i re-implemented the fix into the particle code when i did that last round of bug fixes before committing it. there was a conditional in there to do something slightly different if it was a corkscrew, and i re-applied the fix to the default type only, because frankly i didnt understand the reasoning behind it enough to apply it to the new types. if you can find me the mantis issue behind the original problem (are supposedly resolved issues even archived?) or any information about the original problem (threads, posts, etc), i might be able to fix this.