Hydraulics
			 
			 
			
		
		
		
			
			Hi, I am scratch building a Cat 330b, 1/14 or close. I am going to take a shot at doing my own hydraulics, starting with the cyls. my questions are what type of material to use (brass s/s etc.) and what wall thickness  should I be looking at? 
Thanks for any suggestions you can offer. 
Terry
		 
		
		
		
		
		
		
		
		
	
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