QUOTE: Originally posted by cacole The risers cannot be modified because they are styrofoam and are very brittle, so you might need to either modify your track plan or use something besides the WS risers.
QUOTE: Originally posted by Pennys58 If its really essential to have this 1.6 % grade you could use the 2 % risers but have the base underneath the risers sloped to a -0.4%
Terry