Terry, if you are struggling, I can put you in touch with the lad who has made most of ours for us. Cant remember the cost but as I cant cut steel they are well worth it to me.
Ewen
OK just so you know that would not be legal for FTR, only in F open.
you may want to check out the "Joypod" as this is a compromise that is FTR legal.
Ewen