From: muratlanne@gmail.com   
      
   "Bob La Londe"  wrote in message news:v42if9$2rc6b$1@dont-email.me...   
      
   On 6/8/2024 12:31 AM, Richard Smith wrote:   
   > While on the topic - if you were renewing railway track in a mine,   
   > expedience the only concern - what would you use?   
      
   Angle / v-groove is common for rolling gates too.   
   Bob La Londe   
      
   ----------------------------   
   This appears able to calculate the moment of inertia of rotated angle stock,   
   to figure the sag between sleepers.   
   https://clearcalcs.com/freetools/free-moment-of-inertia-calculator/us   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)