Re: The right plastic compound [TANKS]

["chris barthelson" <barthelson88-at-hotmail.com>]

Frank and I both used the smoothcast-300 series (Frank used 300, I used 305, 
same stuff just diferent pot lifes and demold times) for our tts tracks and 
to this day I have not broken a single cleat or guide tooth. So I guess you 
could say it's stood the test of time. I'm in the process of making a tts 
drive sprocket out of sc-305 and I got to say there is no way to break the 
darn thing (trust me I tried) It might break if you squashed it in the vice 
but other than that it's great stuff.
The "Task" resins are aparently pretty good for high impact stuff (mallets 
gears, etc) but I can't realy say much about them because your guess would 
be as good as mine.

I've included a pic of my drive sprocket. It's sc-305.

Chris. b

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