Quote:
Originally Posted by david lamontagn
+1,on this little truck a "fuse" is necessary, and for me, the plastic is the better fuse you can have.
Aluminium have his own place, but not for arms 
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Even thought I to have Integy arms I did build it with a "fuse." The bottom arms are metal. The top arm is RPM plastic. The rocks around where I play eat up the plastic fast so I put the metal arms on the bottom. They take a beat'n. There was no way around this one. She hit it head on. Not to the side. 3 inches one way might have been better because I have plenty of extra arms. When she hits the spot she hits it.