2015 Formula SAE Standard Impact Attenauator, Type 14
There is no change from the 2013 (Type 13) Impact attenuator. The 2012 drawing applies for the 2015 competition year. (See Below)
There is one clarification, however. If the attenuator is made of more than one piece of foam those pieces must be glued together using a structural adhesive that is compatible with the Impax foam. Segments may not be stacked without glue.